John Cohn, M.D.
NPI 1104819150 · Allergy & Immunology Physician · Philadelphia, PA
John Cohn, M.D. is a Allergy & Immunology Physician provider in Philadelphia, PA (NPI 1104819150).
Provider details
- NPI number
- 1104819150
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD019399E (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-25
- Last updated
- 2015-12-30
Frequently asked questions
- What is John Cohn's NPI number?
- John Cohn's National Provider Identifier (NPI) is 1104819150, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Cohn's specialty?
- John Cohn is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is John Cohn located?
- John Cohn's practice location on file with NPPES is 1015 Chestnut St, Philadelphia, PA 19107-4316.
- What is John Cohn's phone number?
- The practice phone number listed in the NPPES registry for John Cohn is (215) 923-7685.
- Is John Cohn's NPI active?
- Yes — John Cohn's NPI (1104819150) is active in the NPPES registry as of the last update on 2015-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.