Exploratory · Release 2026-10-07

One provider, a different specialty at each place they work

A doctor can be a hospitalist at one group and an internist at another. The directory has somewhere to record that, and these are real people it recorded it for. Search the 1,003 examples below, or read what they add up to in the write-up.

76,539
providers whose specialty differs between organizations
73.2%
of role records have no specialty recorded at all
1 in 6
active providers have a specialty recorded at any organization

1,003 of 1,003 examples

  • PAUWELS, EMANUEL

    NPI 1871883355AZ
    • AFFILIATED HOSPITALISTS PLC
      NPI 1265546261
      HOSPITALISTINTERNAL MEDICINE
    • SCOTTSDALE PHYSICIANS GROUP LLC
      NPI 1689799579
      INTERNAL MEDICINE
    • SYNERGY PHYSICIANS
      NPI 1083271746
      INTERNAL MEDICINE

  • GINGER, VAN ANH

    NPI 1821108309WA
    • OPTUM - BROADWAY
      NPI 1174594634
      SURGERY
    • OPTUM TACOMA
      NPI 1831411487
      SURGERYUROLOGY

  • LONDON, ROBERT

    NPI 1902010168NC
    • ATRIUM HEALTH UNION
      NPI 1255405734
      NURSE ANESTHETIST, CERTIFIED REGISTERED
    • EAST CAROLINA ANESTHESIA ASSOCIATES
      NPI 1205996519
      NURSE ANESTHETIST, CERTIFIED REGISTEREDREGISTERED NURSE

  • MARTIN, EMILY

    NPI 1003063140CO
    • BLUEMARK LLCOFFICE ALLY
      NPI 1962461889
      INTERNAL MEDICINE
    • BLUEMARK LLCOFFICE ALLY
      NPI 1275045049
      SPORTS MEDICINE

  • MALIK, HENNA

    NPI 1003099813TX
    • GREATER HOUSTON PHYSICIANS MEDICAL
      NPI 1700017449
      HEMATOLOGY & ONCOLOGYINTERNAL MEDICINEMULTI-SPECIALTY
    • TEXAS ONCOLOGY
      NPI 1811944101
      HEMATOLOGY & ONCOLOGYMEDICAL ONCOLOGYMULTI-SPECIALTY
    • TEXAS ONCOLOGY PA
      NPI 1912174350
      HEMATOLOGY & ONCOLOGYMEDICAL ONCOLOGYMULTI-SPECIALTY
    • TEXAS ONCOLOGY PA
      NPI 1821265265
      HEMATOLOGY & ONCOLOGYMEDICAL ONCOLOGYMULTI-SPECIALTY

  • MARASSE, SHERRY

    NPI 1003157165TX
    • DEER OAKS CONSULTATION SERVICES
      NPI 1134169287
      CLINICAL
    • GROW HEALTHCARE GROUP PA
      NPI 1245845932
      PROFESSIONAL

  • AHMED, SHABAZ

    NPI 1003203704NJ
    • HACKENSACK MERIDIAN HEALTH
      NPI 1336203538
      INTERNAL MEDICINE
    • HACKENSACK MERIDIAN HEALTH MEDICAL GROUP - SPECIALTY CARE PC
      NPI 1215989249
      HOSPITALISTINTERNAL MEDICINE
    • VALLEY MEDICAL GROUP
      NPI 1467815928
      INTERNAL MEDICINE

  • TWUM-BARIMAH, PATRICK

    NPI 1003253931MN
    • ABILITY NETWORK
      NPI 1447573829
      HOSPITALIST
    • HOSPITAL PHYSICIAN SERVICES - SOUTHEAST PROFESSIONAL CORPORATION
      NPI 1760410385
      HOSPITALIST
    • HOSPITALIST MEDICINE PHYSICIANS OF NORTH CAROLINA PLLC
      NPI 1164724902
      INTERNAL MEDICINE
    • SELECT SPECIALTY HOSPITAL - GREENSBORO INC
      NPI 1912205113
      INTERNAL MEDICINE

  • SHVED, DAVID

    NPI 1003262593TN
    • ASCENSION MEDICAL GROUP SAINT THOMAS
      NPI 1437194669
      INTERNAL MEDICINE
    • CHATTANOOGA HAMILTON COUNTY HOSPITAL AUTHORITY
      NPI 1154751931
      HOSPITALISTINTERNAL MEDICINE
    • EMG TN CLINICS
      NPI 1477256303
      HOSPITALISTINTERNAL MEDICINE

  • SPOTTISWOODE, NATASHA

    NPI 1003310376CA
    • BLUEMARK LLC OFFICE ALLY
      NPI 1164512851
      INFECTIOUS DISEASEINTERNAL MEDICINE
    • BLUEMARK LLC OFFICE ALLY
      NPI 1760552343
      INFECTIOUS DISEASEINTERNAL MEDICINE
    • BLUEMARK LLC OFFICE ALLY
      NPI 1477624104
      INTERNAL MEDICINE

  • ZON, REBECCA

    NPI 1003344037MA
    • BINNEY MEDICAL ASSOCIATES
      NPI 1346433257
      MEDICAL ONCOLOGY
    • BRIGHAM WOMENS HOSPPROF FEES
      NPI 1033535497
      INTERNAL MEDICINE

  • JOSEPH, JOSSENER

    NPI 1003355710FL
    • J G MEDICAL ASSOCIATES PA
      NPI 1184042079
      PSYCHIATRIC/MENTAL HEALTH
    • SAFEGUARD RELIEF BEHAVIORAL HEALTHCARE
      NPI 1467197921
      PRIMARY CARE

  • BATTLES, JASMINE

    NPI 1003492448
    • DIVINE HEALING SPACE PLLC
      NPI 1417521907
      CASE MANAGER/CARE COORDINATORCLINICAL
    • INTENTIONAL LIVING COUNSELING CENTER
      NPI 1982284899
      CLINICAL

  • PATEL, ALPESH

    NPI 1003906751AZ
    • ADENA HEALTH SYSTEM SOLE MBR
      NPI 1235468083
      FAMILY MEDICINE
    • ADVANCED DIAGNOSTIC IMAGING
      NPI 1093741464
      GASTROENTEROLOGY
    • COBIUS HEALTHCARE SOLUTIONS
      NPI 1750704367
      FAMILY MEDICINE
    • COBIUS HEALTHCARE SOLUTIONS
      NPI 1558786830
      FAMILY MEDICINE
    • NORTH CAROLINA MG LLC
      NPI 1215741640
      GASTROENTEROLOGY
    • ST JOSEPH HOSPITAL OF NASHUA NH
      NPI 1437758679
      FAMILY MEDICINE
    • THE GROUP GASTRO
      NPI 1609740455
      GASTROENTEROLOGY

  • COOK, BARBARA

    NPI 1003912536VA
    • ORTHOVIRGINIA
      NPI 1265470645
      OCCUPATIONAL THERAPIST
    • ORTHOVIRGINIA INC
      NPI 1487671822
      HANDOCCUPATIONAL THERAPIST

  • HALABI, SAHAR

    NPI 1003937350IL
    • CEP AMERICA ILLINOIS INTENSIVISTS
      NPI 1871071837
      CRITICAL CARE MEDICINE
    • CEP AMERICA ILLINOIS INTENSIVISTS
      NPI 1821641499
      CRITICAL CARE MEDICINE
    • CEP AMERICA ILLINOIS INTENSIVISTS
      NPI 1174320873
      CRITICAL CARE MEDICINE
    • PEKIN PROHEALTH
      NPI 1932150299
      INTERNAL MEDICINE
    • PROCTOR HEALTH SYSTEMS
      NPI 1134173917
      INTERNAL MEDICINE
    • SIH MEDICAL GROUP
      NPI 1770656837
      INTERNAL MEDICINE
    • THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS
      NPI 1942244645
      CRITICAL CARE MEDICINEINTERNAL MEDICINE

  • BAKER, STEPHEN

    NPI 1013011303LA
    • COBIUS HEALTHCARE SOLUTIONS
      NPI 1538674239
      INTERNAL MEDICINE
    • COBIUS HEALTHCARE SOLUTIONS
      NPI 1538151428
      GENERAL PRACTICE
    • DIABETES PREVENTION PROGRAM
      NPI 1013747039
      INTERNAL MEDICINE
    • OCHSNER CLINIC LLC
      NPI 1316146350
      GENERAL PRACTICE
    • OCHSNER MISSISSIPPI LLC
      NPI 1972003838
      INTERNAL MEDICINE
    • OCHSNER MISSISSIPPI LLC
      NPI 1316662059
      INTERNAL MEDICINE

  • GUDA, SIVAKOTI

    NPI 1013043520NJ
    • CALCASIEU CAMERON HOSPITAL MEDICINE GROUP LLC
      NPI 1659764967
      HOSPITALIST
    • GASTROENTEROLOGY CSLTS S JRSY
      NPI 1649226515
      HOSPITALISTINTERNAL MEDICINE
    • INHOSPITAL PHYSICIANS
      NPI 1073971750
      HOSPITALISTINTERNAL MEDICINE
    • INHOSPITAL PHYSICIANS CORP
      NPI 1336625425
      INTERNAL MEDICINE
    • INHOSPITAL PHYSICIANS MICHIGAN PLLC
      NPI 1427840586
      HOSPITALISTINTERNAL MEDICINE
    • SUBURBAN MEDICAL GROUP
      NPI 1710355029
      INTERNAL MEDICINE
    • TEMPLE INTERNAL MEDICINE - FEASTERVILLE
      NPI 1174497366
      INTERNAL MEDICINE
    • TEMPLE PHYSICIANS INC
      NPI 1942444088
      INTERNAL MEDICINE

  • KRONICK, STEVEN

    NPI 1013090703MI
    • REGENTS OF THE UNIVERSITY OF MICHIGAN
      NPI 1205868353
      INTERNAL MEDICINE
    • REGENTS OF THE UNIVERSITY OF MICHIGAN
      NPI 1811928641
      EMERGENCY MEDICINE

  • MURTHY, GIRISH

    NPI 1013146398OK
    • CRESCENT INFECTIOUS DISEASES
      NPI 1538501028
      INFECTIOUS DISEASE
    • FRALEY CLINIC PLLC
      NPI 1386874550
      INTERNAL MEDICINE

  • FELDMANN, LISA

    NPI 1013233659IL
    • CENTERSTONE OF ILLINOIS INC
      NPI 1033570262
      ADDICTION (SUBSTANCE USE DISORDER)
    • GROW HEALTHCARE GROUP PA
      NPI 1245845932
      MENTAL HEALTHPROFESSIONAL

  • OTTEN, NICHOLAS

    NPI 1013277714IL
    • ASCENSION COLUMBIA ST MARY'S HOSPITAL MILWAUKEE
      NPI 1023064482
      FAMILY MEDICINE
    • ASCENSION MEDICAL GROUP
      NPI 1609881077
      FAMILY MEDICINE
    • HOWARD YOUNG MED CNTRPROF FEE
      NPI 1134183171
      HOSPITALIST

  • PEREZ, KIMM

    NPI 1013321090TX
    • ASIAN AMERICAN HEALTH COALITION
      NPI 1699966754
      CASE MANAGEMENT
    • DIVERSE BEHAVIORAL HEALTH GROUP
      NPI 1861126005
      CASE MANAGEMENTCOUNSELINGMENTAL HEALTH

  • MAYENKAR, PRACHI

    NPI 1013336023TX
    • KELSEY SEYBOLD CLINIC
      NPI 1013915255
      INTERNAL MEDICINE
    • MEMORIAL HERMANN MEDICAL GROUP
      NPI 1003985102
      HOSPITALISTINTERNAL MEDICINE
    • SOUND PHYSICIANS OF ILLINOIS LLC
      NPI 1043598865
      HOSPITALISTINTERNAL MEDICINE
    • SUGAR LAND INTERNAL MEDICINE
      NPI 1184107484
      INTERNAL MEDICINE

  • MORRISON, JAMES

    NPI 1013383462KY
    • CARDIOTHORACIC SURGERY OF LOUISVILLE
      NPI 1588614994
      NURSE PRACTITIONER
    • COMMUNITY MEDICAL ASSOCIATES INC
      NPI 1881192409
      NURSE PRACTITIONER
    • COMMUNITY MEDICAL ASSOCIATES INC
      NPI 1306983762
      FAMILYNURSE PRACTITIONER
    • NORTON CHILDREN'S AUTISM CENTER
      NPI 1548802549
      NURSE PRACTITIONER
    • NORTON CHILDREN'S BEHAVIORAL AND MENTAL HEALTH
      NPI 1457999096
      NURSE PRACTITIONER
    • NORTON CHILDREN'S RADIOLOGISTS
      NPI 1659913812
      NURSE PRACTITIONER

  • YIMER, ESMAEL

    NPI 1013413186TX
    • CHRISTUS TRINITY CLINIC
      NPI 1285684225
      INTERNAL MEDICINE
    • NORTH TEXAS PHYSICIAN SERVICES PLLC
      NPI 1992586150
      HOSPITALISTINTERNAL MEDICINE
    • TYLER PHYSICIAN SERVICES PLLC
      NPI 1225898034
      HOSPITALIST

  • KOSFELD, DAVID

    NPI 1013568310MN
    • ADULT REHABILITATIVE MENTAL HEALTH SERVICES
      NPI 1467549220
      MENTAL HEALTH
    • NYSTROM ASSOCIATES LTD
      NPI 1396750188
      MARRIAGE & FAMILY THERAPIST

  • JENKINS, CHANDLER

    NPI 1013628601GA
    • EMERGENCY MEDICINE SERVICES OF TN PC
      NPI 1720785884
      FAMILYMULTI-SPECIALTY
    • VANDERBILT MEDICAL GROUP
      NPI 1104202761
      FAMILY MEDICINEMULTI-SPECIALTY

  • PUSKAS, DAVID

    NPI 1013749142VA
    • ORTHOVIRGINIA
      NPI 1265470645
      SINGLE SPECIALTY
    • ORTHOVIRGINIA INC
      NPI 1487671822
      ORTHOPEDICSINGLE SPECIALTY

  • PRINGLE, CATHERINE

    NPI 1013791706GA
    • AO MULTISPECIALITY
      NPI 1912917824
      PHYSICIAN ASSISTANTRHEUMATOLOGYSINGLE SPECIALTY
    • ARTICULARIS HEALTHCARE GROUP INC
      NPI 1841055266
      RHEUMATOLOGYSINGLE SPECIALTY
    • ARTICULARIS HEALTHCARE GROUP INC
      NPI 1154867075
      RHEUMATOLOGYSINGLE SPECIALTY

Reading these

Each card is one practitioner. Under them are the organizations the directory links them to, and the specialty it records at each one. Where those differ, the directory is carrying something a single provider-level specialty cannot express.

The same organization name can appear twice on one card with different specialties. That is not a display error. The directory publishes more than one Organization record for the same organization, which is why the NPI is printed under every name. 6,059 of the 82,598 differ only across same-named records, so the stricter count of providers whose specialty differs between differently-named organizations is 76,539.

Deterministic hash order over the practitioner id, not NPI order, because NPI order is issue order and would show a page of long-enrolled providers. The same cases come back on every run, so one can be cited. Limited to practitioners at two to eight organizations so a case fits on a screen.

Exploratory rather than a finding: this followed a question that was already being discussed rather than a hypothesis registered before the numbers existed. Data at /api/v1/exploratory/specialty-by-organization.json, compute script analysis/explore_specialty_context.py.