Marc Shalaby, MD
Internal Medicine Physician · Philadelphia, PA
Marc Shalaby, MD is an internal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1780613323, issued on Jul 3, 2006. Check the license (Pennsylvania MD072978L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Marc Shalaby
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD072978L PA
Self-reported in NPPES; status is on the state search - Practice location
- 51 N. 39TH Street, Philadelphia, PA 19104
- Phone
- (215) 662-9990
- Enumerated
- Jul 3, 2006
- Record last updated
- Jun 5, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (215) 243-3297
- Medicare enrollment
- Enrolled (PECOS I20101112000922); accepts Medicare assignment
- Medical or professional school
- University Of North Carolina At Chapel Hill School Of Medicine, 1998
- 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 51 N. 39TH Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marc Shalaby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD072978LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,401 Medicare Part D claims for 118 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Atorvastatin Calcium147 claims
- Amlodipine Besylate96 claims
- Levothyroxine Sodium58 claims
- Rosuvastatin Calcium53 claims
- Metformin Hcl Er51 claims
- Fluticasone Propionate44 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 2 group practices
- Clinical Care Associates OF The University OF Pennsylvania Health.Yardley, PA
- 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).
Marc Shalaby among 7,300 internal medicine physician records in Pennsylvania
Marc Shalaby, 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
- Graduated1998 · median 2008 among the 4,208 with a school on file
- Record last updated2012 · 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 →
The 8 internal medicine physician records with the nearest ZIP codes
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- Jill Clemmer, MDPhiladelphia, PA 191041477594562
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- Kevin Fosnocht, MDPhiladelphia, PA 191041003842709
- William Gilhool, DOPhiladelphia, PA 191041982606919
- Bruce Kinosian, MDPhiladelphia, PA 191041871536177
Common questions
What is Marc Shalaby, MD's NPI number?
Marc Shalaby, MD's National Provider Identifier (NPI) is 1780613323, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc Shalaby, MD located?
The NPPES record lists a practice address at 51 N. 39TH Street, Philadelphia, PA, 19104. Phone: (215) 662-9990. Providers update this record themselves, so call before visiting.
How can I verify Marc Shalaby, MD's license?
NPPES lists Pennsylvania license number MD072978L, 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 Marc Shalaby, MD prescribe under Medicare Part D?
In 2024, Marc Shalaby, MD had 1,401 Medicare Part D claims for 118 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.