Katherine Nabel Smith, MD, PHD
Dermatology Physician · Philadelphia, PA
Katherine Nabel Smith, MD, PHD is a dermatology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1538916507, issued on May 6, 2024. Check the license (Pennsylvania MT234990, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Katherine Nabel Smith
- Credential
- MD, PHD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- MT234990 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3600 Spruce St, Philadelphia, PA 19104
- Phone
- (215) 662-7883
- Enumerated
- May 6, 2024
- Record last updated
- Apr 20, 2026
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 681 in Pennsylvania → Look up another NPI →
Also registered at 3600 Spruce St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kaylin Beiter, MD, PHDStudent in an Organized Health Care Education/Training Program1659074367
- Kathryn Bentivegna, MD, MPHStudent in an Organized Health Care Education/Training Program1104520816
- Ronald Berna, MDDermatology Physician1295484525
- Jessica Brown-Korsah, MDStudent in an Organized Health Care Education/Training Program1194427393
Verify Katherine Nabel Smith in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MT234990Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average dermatology physician in 2024
40 Medicare Part D claims for 21 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.
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.
Katherine Nabel Smith among 681 dermatology physician records in Pennsylvania
Katherine Nabel Smith, MD, PHD is one of 681 dermatology physician records with a practice address in Pennsylvania. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 98% of them.
- NPI issued2024 · 98% of these records are older, 1% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2026 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Pennsylvania
There are 681 dermatology physician records in Pennsylvania.
All 681 in Pennsylvania → Every provider in Philadelphia → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- George Cotsarelis, MDPhiladelphia, PA 191041871540831
- Rosalie Elenitsas, MDPhiladelphia, PA 191041932134533
- Steven Fakharzadeh, MDPhiladelphia, PA 191041073538641
- Joel Gelfand, MDPhiladelphia, PA 191041710902382
- Jonathan Kantor, MDPhiladelphia, PA 191041326038886
- James Leyden, MDPhiladelphia, PA 191041124053731
- David Margolis, MDPhiladelphia, PA 191041740205327
- Alain Rook, MDPhiladelphia, PA 191041760417372
Common questions
What is Katherine Nabel Smith, MD, PHD's NPI number?
Katherine Nabel Smith, MD, PHD's National Provider Identifier (NPI) is 1538916507, issued on May 6, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Nabel Smith, MD, PHD located?
The NPPES record lists a practice address at 3600 Spruce St, Philadelphia, PA, 19104. Phone: (215) 662-7883. Providers update this record themselves, so call before visiting.
How can I verify Katherine Nabel Smith, MD, PHD's license?
NPPES lists Pennsylvania license number MT234990, 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 Katherine Nabel Smith, MD, PHD prescribe under Medicare Part D?
In 2024, Katherine Nabel Smith, MD, PHD had 40 Medicare Part D claims for 21 beneficiaries; the average among dermatology physician prescribers was 797. 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.