Margaret O'Brien, MD
Dermatology Physician · Philadelphia, PA
Margaret O'Brien, MD is a dermatology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1639871080, issued on Mar 20, 2023. Check the license (Pennsylvania MT229719, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Margaret O'Brien
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- MT229719 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3401 N Broad St FL B5, Philadelphia, PA 19140
- Phone
- (215) 707-3376
- Enumerated
- Mar 20, 2023
- Record last updated
- Jul 9, 2024
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 681 in Pennsylvania → Look up another NPI →
Verify Margaret O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MT229719Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average dermatology physician in 2024
278 Medicare Part D claims for 104 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Clobetasol Propionate35 claims
- Triamcinolone Acetonide33 claims
- Dupixent Pen25 claims
- Hydrocortisone22 claims
- Tacrolimus18 claims
- Ketoconazole17 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.
Industry payments in 2024: $627.01
7 payments; by number, the most common kind was food and beverage; the largest payer was Leo Pharma Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Margaret O'Brien among 681 dermatology physician records in Pennsylvania
Margaret O'Brien, 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 2023, is newer than 96% of them.
- NPI issued2023 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2024 · 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
- Christina Cooper, MDPhiladelphia, PA 191401063204238
- Sylvia Hsu, MDPhiladelphia, PA 191401548340805
- Amanda Loesch, MDPhiladelphia, PA 191401184484131
- Christopher Markeson, MDPhiladelphia, PA 191401013611326
- Afton Metkowski, MDPhiladelphia, PA 191401558723536
- Alina Shevchenko, MDPhiladelphia, PA 191401245723550
- Morgan Sussman-McCrea, MDPhiladelphia, PA 191401760127310
- Sahithi TalasilaPhiladelphia, PA 191401801697073
Common questions
What is Margaret O'Brien, MD's NPI number?
Margaret O'Brien, MD's National Provider Identifier (NPI) is 1639871080, issued on Mar 20, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Margaret O'Brien, MD located?
The NPPES record lists a practice address at 3401 N Broad St FL B5, Philadelphia, PA, 19140. Phone: (215) 707-3376. Providers update this record themselves, so call before visiting.
How can I verify Margaret O'Brien, MD's license?
NPPES lists Pennsylvania license number MT229719, 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 Margaret O'Brien, MD prescribe under Medicare Part D?
In 2024, Margaret O'Brien, MD had 278 Medicare Part D claims for 104 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.