Jonathan Kotzin, MD
Rheumatology Physician · Philadelphia, PA
Jonathan Kotzin, MD is a rheumatology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1821557166, issued on Mar 17, 2019. Check the license (Pennsylvania MD485076, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Jonathan Kotzin
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- MD485076 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Spruce St, Philadelphia, PA 19104
- Phone
- (215) 662-2454
- Enumerated
- Mar 17, 2019
- Record last updated
- Mar 26, 2025
- Fax
- (215) 662-7527
- Medicare enrollment
- Enrolled (PECOS I20240702001289); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 413 in Pennsylvania → Look up another NPI →
Also registered at 3400 Spruce St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Megan Abbott, CRNPNurse Practitioner1396771689
- Michael Abboud, MDEmergency Medicine Physician1962820852
- Emily AbdelmessihPediatric Pharmacist1891612560
- Mohammed AbdullahStudent in an Organized Health Care Education/Training Program1013595495
- Amin Abedini, MDStudent in an Organized Health Care Education/Training Program1912609017
- Farid Aboharb, MD, PHDStudent in an Organized Health Care Education/Training Program1295595973
Verify Jonathan Kotzin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD485076Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average rheumatology physician in 2024
214 Medicare Part D claims for 25 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Prednisone33 claims
- Actemra24 claims
- Allopurinol22 claims
- Humira Pen15 claims
- Mycophenolate Mofetil15 claims
- Methotrexate14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- University OF Penn - Medical GroupPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan Kotzin among 413 rheumatology physician records in Pennsylvania
Jonathan Kotzin, MD is one of 413 rheumatology physician records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 93% of them.
- NPI issued2019 · 93% of these records are older, 4% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2019 · median 2004 among the 275 with a school on file
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Pennsylvania
There are 413 rheumatology physician records in Pennsylvania.
All 413 in Pennsylvania → Every provider in Philadelphia → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- David Allan, MDPhiladelphia, PA 191041376518233
- Androniki Bili, M.D.Philadelphia, PA 191041104802719
- Belinda Birnbaum, MDPhiladelphia, PA 191041669469573
- Geo Derimanov, MDPhiladelphia, PA 191041932135407
- Jonathan Dunham, MDPhiladelphia, PA 191041376583310
- Robert Eisenberg, MDPhiladelphia, PA 191041881630911
- Benjamin Hsu, MDPhiladelphia, PA 191041487698023
- William Kelley, MDPhiladelphia, PA 191041710914700
Common questions
What is Jonathan Kotzin, MD's NPI number?
Jonathan Kotzin, MD's National Provider Identifier (NPI) is 1821557166, issued on Mar 17, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Kotzin, MD located?
The NPPES record lists a practice address at 3400 Spruce St, Philadelphia, PA, 19104. Phone: (215) 662-2454. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Kotzin, MD's license?
NPPES lists Pennsylvania license number MD485076, 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.
How much does Jonathan Kotzin, MD prescribe under Medicare Part D?
In 2024, Jonathan Kotzin, MD had 214 Medicare Part D claims for 25 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
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.