NPPES file of Aug 9, 2026

John R. Cohn, M.D.

Allergy & Immunology Physician · Philadelphia, PA

John R. Cohn, M.D. is an allergy & immunology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1104819150, issued on Aug 25, 2005. Check the license (Pennsylvania MD019399E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104819150
Name
John R. Cohn
Credential
M.D.
Primary taxonomy
Allergy & Immunology Physician 207K00000X
License number
MD019399E PA
Self-reported in NPPES; status is on the state search
Practice location
1015 Chestnut St, Philadelphia, PA 19107
Phone
(215) 923-7685
Enumerated
Aug 25, 2005
Record last updated
Dec 30, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(215) 923-8230
Medicaid ID
0008813700002 PA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest allergy & immunology physician records → All 183 in Pennsylvania → Look up another NPI →

Also registered at 1015 Chestnut St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jill Adams, DDSDentist1497067052
  2. Herbert Adler, MDPsychiatry Physician1356347389
  3. Robyn Alexander, P.A.Physician Assistant1134245897
  4. Atrayee Basu Mallick, M.DHematology & Oncology Physician1770802795
  5. Katherine Belden, M.D.Infectious Disease Physician1598786857
  6. Thomas Benfield, M.D.Psychiatry Physician1932264215

Verify John R. Cohn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD019399E    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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John R. Cohn among 183 allergy & immunology physician records in Pennsylvania

John R. Cohn, M.D. is one of 183 allergy & immunology physician records with a practice address in Pennsylvania. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 79% newer
  • In a Medicare fileNo · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2015 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy & Immunology Physician providers in Pennsylvania

There are 183 allergy & immunology physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 183 in Pennsylvania → Every provider in Philadelphia → Allergy & Immunology Physician nationwide →

The 8 allergy & immunology physician records with the nearest ZIP codes

  1. Magee Defelice, MDPhiladelphia, PA 191071194854851
  2. Donald Dvorin, M.D.Philadelphia, PA 191071316095664
  3. Raquel Empedrad, M.D.Philadelphia, PA 191071902896988
  4. Marc Goldstein, M.D.Philadelphia, PA 191071093863334
  5. Nancy Gordon, M.D.Philadelphia, PA 191071679621734
  6. Irene Haralabatos, M.D.Philadelphia, PA 191071386792430
  7. Juen Kim, M.D.Philadelphia, PA 191071578862413
  8. David Larosa, MDPhiladelphia, PA 191071871704627

Common questions

What is John R. Cohn, M.D.'s NPI number?

John R. Cohn, M.D.'s National Provider Identifier (NPI) is 1104819150, issued on Aug 25, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John R. Cohn, M.D. located?

The NPPES record lists a practice address at 1015 Chestnut St, Philadelphia, PA, 19107. Phone: (215) 923-7685. Providers update this record themselves, so call before visiting.

How can I verify John R. Cohn, M.D.'s license?

NPPES lists Pennsylvania license number MD019399E, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.