Oana Tomescu, MD
Internal Medicine Physician · Philadelphia, PA
Oana Tomescu, MD is an internal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1063577237, issued on Dec 27, 2006. Check the license (Pennsylvania MD430263, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Oana Tomescu
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD430263 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3701 Market Street, Philadelphia, PA 19104
- Phone
- (215) 662-2250
- Enumerated
- Dec 27, 2006
- Record last updated
- Mar 3, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090617000364); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 3701 Market Street
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Verify Oana Tomescu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD430263Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,499 Medicare Part D claims for 95 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 47 claims were for opioids.
Most prescribed
- Amlodipine Besylate85 claims
- Omeprazole80 claims
- Gabapentin68 claims
- Pregabalin68 claims
- Olmesartan Medoxomil59 claims
- Atorvastatin Calcium58 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
- Trustees OF The University OF PennsylvaniaPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Oana Tomescu among 7,300 internal medicine physician records in Pennsylvania
Oana Tomescu, MD is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2004 · median 2008 among the 4,208 with a school on file
- Record last updated2016 · 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 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,855 internal medicine physician records list a practice address in Philadelphia
They are 1,855 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Philadelphia → Internal Medicine Physician nationwide →
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Common questions
What is Oana Tomescu, MD's NPI number?
Oana Tomescu, MD's National Provider Identifier (NPI) is 1063577237, issued on Dec 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Oana Tomescu, MD located?
The NPPES record lists a practice address at 3701 Market Street, Philadelphia, PA, 19104. Phone: (215) 662-2250. Providers update this record themselves, so call before visiting.
How can I verify Oana Tomescu, MD's license?
NPPES lists Pennsylvania license number MD430263, 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 Oana Tomescu, MD prescribe under Medicare Part D?
In 2024, Oana Tomescu, MD had 2,499 Medicare Part D claims for 95 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.