Kathryn Karo Simon, MD
Dermatology Physician · Bryn Mawr, PA
Kathryn Karo Simon, MD is a dermatology physician with a practice address in Bryn Mawr, Pennsylvania, and NPI 1376645374, issued on Sep 1, 2006. Check the license (Pennsylvania 039207E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Kathryn Karo Simon
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 039207E PA
Self-reported in NPPES; status is on the state search - Practice location
- 875 County Line Road, Bryn Mawr, PA 19010
- Phone
- (610) 525-1920
- Enumerated
- Sep 1, 2006
- Record last updated
- Jul 13, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (610) 525-8393
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 681 in Pennsylvania → Look up another NPI →
Also registered at 875 County Line Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lawrence Marinari, MDInternal Medicine Physician1669682449
Verify Kathryn Karo Simon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license 039207ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average dermatology physician in 2024
96 Medicare Part D claims, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Escitalopram Oxalate14 claims
- Montelukast Sodium13 claims
- Losartan Potassium12 claims
- Atorvastatin Calcium11 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.
Kathryn Karo Simon among 681 dermatology physician records in Pennsylvania
Kathryn Karo Simon, MD 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 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 57% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2011 · 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 Bryn Mawr → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Kara Capriotti, M.D.Bryn Mawr, PA 190101669689352
- Karen Deasey, MDBryn Mawr, PA 190101174634232
- Janet Desipio, P.A.Bryn Mawr, PA 190101689861296
- Michael Gober, MDBryn Mawr, PA 190101154514131
- Noushin Heidary, MDBryn Mawr, PA 190101487850871
- Sara Mancini, P.A.Bryn Mawr, PA 190101790972305
- John Mulholland, MDBryn Mawr, PA 190101912901802
- Paul ReganBryn Mawr, PA 190101730717463
Common questions
What is Kathryn Karo Simon, MD's NPI number?
Kathryn Karo Simon, MD's National Provider Identifier (NPI) is 1376645374, issued on Sep 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn Karo Simon, MD located?
The NPPES record lists a practice address at 875 County Line Road, Bryn Mawr, PA, 19010. Phone: (610) 525-1920. Providers update this record themselves, so call before visiting.
How can I verify Kathryn Karo Simon, MD's license?
NPPES lists Pennsylvania license number 039207E, 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 Kathryn Karo Simon, MD prescribe under Medicare Part D?
In 2024, Kathryn Karo Simon, MD had 96 Medicare Part D claims; 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.