Gabriel A. Gabasan, MD
Internal Medicine Physician · Harrisburg, PA
Gabriel A. Gabasan, MD is an internal medicine physician with a practice address in Harrisburg, Pennsylvania, and NPI 1376780171, issued on Jan 15, 2009. Check the license (Pennsylvania MD437760, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Gabriel A. Gabasan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD437760 PA
Self-reported in NPPES; status is on the state search - Practice location
- 4300 Londonderry RD, Harrisburg, PA 17109
- Phone
- (717) 231-8772
- Enumerated
- Jan 15, 2009
- Record last updated
- Jan 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (717) 231-8435
- Medicaid ID
- 102328780 PA
- Medicare enrollment
- Enrolled (PECOS I20090917000051); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 4300 Londonderry RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Eli Allen, DOFamily Medicine Physician1164083192
- Alia Alsaidy, DOInternal Medicine Physician1033475405
Verify Gabriel A. Gabasan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD437760Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average internal medicine physician in 2024
524 Medicare Part D claims for 220 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 23 claims were for opioids.
Most prescribed
- Cefuroxime41 claims
- Pantoprazole Sodium33 claims
- Metoprolol Succinate22 claims
- Furosemide20 claims
- Atorvastatin Calcium18 claims
- Amlodipine Besylate17 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 86.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Pinnacle Health Hospitalist Services LLCHarrisburg, PA
- Pinnacle Health Medical ServicesHarrisburg, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
184 internal medicine physician records list a practice address in Harrisburg
They are 184 of the 3,963 NPPES records with a practice address in Harrisburg, and 7,300 internal medicine physician records in Pennsylvania.
All 184 in Harrisburg → All 7,300 in Pennsylvania → Every provider in Harrisburg →
Other internal medicine physician records in Pennsylvania
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- Mubasher Abbas, MDYork, PA1578978425
- Nicholas AbbottFarrell, PA1639525678
- Sara Abbruzzi, D.O.Philadelphia, PA1689686313
- Ahmad Abdalla, MDPhiladelphia, PA1730981127
- Tori Abdalla, DOPhiladelphia, PA1942091699
- Hany Abdel, D.O.Plymouth Meeting, PA1164467262
Common questions
What is Gabriel A. Gabasan, MD's NPI number?
Gabriel A. Gabasan, MD's National Provider Identifier (NPI) is 1376780171, issued on Jan 15, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Gabriel A. Gabasan, MD located?
The NPPES record lists a practice address at 4300 Londonderry RD, Harrisburg, PA, 17109. Phone: (717) 231-8772. Providers update this record themselves, so call before visiting.
How can I verify Gabriel A. Gabasan, MD's license?
NPPES lists Pennsylvania license number MD437760, 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 Gabriel A. Gabasan, MD prescribe under Medicare Part D?
In 2024, Gabriel A. Gabasan, MD had 524 Medicare Part D claims for 220 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Gabriel A. Gabasan, MD's MIPS final score?
The 2023 MIPS final score is 86.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.