Michael C. Ong, MD
Internal Medicine Physician · Vandergrift, PA
Michael C. Ong, MD is an internal medicine physician with a practice address in Vandergrift, Pennsylvania, and NPI 1639162969, issued on Aug 23, 2005. Check the license (Pennsylvania MD066489-L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Michael C. Ong
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD066489-L PA
Self-reported in NPPES; status is on the state search - Practice location
- 224 Longfellow St, Vandergrift, PA 15690
- Phone
- (724) 568-5551
- Enumerated
- Aug 23, 2005
- Record last updated
- Oct 12, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (724) 568-3137
- Medicare enrollment
- Enrolled (PECOS I20101201000305); accepts Medicare assignment
- Medical or professional school
- Medical College Of Pennsylvania, 1991
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 224 Longfellow St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole LovePharmacist1861330490
- Mohan Patel, MDInternal Medicine Physician1538152863
Verify Michael C. Ong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD066489-LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.7 times the Medicare Part D claims of the average internal medicine physician in 2024
18,123 Medicare Part D claims for 1,310 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 84 claims were for opioids.
Most prescribed
- Amlodipine Besylate932 claims
- Atorvastatin Calcium865 claims
- Levothyroxine Sodium616 claims
- Pantoprazole Sodium608 claims
- Metoprolol Succinate573 claims
- Rosuvastatin Calcium481 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 MIPS final score for 2023 (Medicare payment program): 93.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $779.65
46 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through 3 group practices
- Allegheny ClinicVandergrift, PA
- Keystone Rehabilitation Systems IncSeven Fields, PA
- Phoenix Rehabilitation And Health Services IncCranberry Twp, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael C. Ong among 7,300 internal medicine physician records in Pennsylvania
Michael C. Ong, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1991 · median 2008 among the 4,208 with a school on file
- Record last updated2020 · 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).
4 internal medicine physician records list a practice address in Vandergrift
They are 4 of the 34 NPPES records with a practice address in Vandergrift, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Vandergrift → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Dana Lampert, M.D.Vandergrift, PA 156901699739185
- Danielle Papincak, DOVandergrift, PA 156901316408404
- Mohan Patel, MDVandergrift, PA 156901538152863
- Steven Mills, MDYoungwood, PA 156971669447918
- Joseph Ambrose, D.O.Indiana, PA 157011467451476
- Andrew Cash, D.O., P.C.Indiana, PA 157011790782555
- Ki Chung, M.D.Indiana, PA 157011457341711
- Vipul Garg, M.D.Indiana, PA 157011629068986
Common questions
What is Michael C. Ong, MD's NPI number?
Michael C. Ong, MD's National Provider Identifier (NPI) is 1639162969, issued on Aug 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael C. Ong, MD located?
The NPPES record lists a practice address at 224 Longfellow St, Vandergrift, PA, 15690. Phone: (724) 568-5551. Providers update this record themselves, so call before visiting.
How can I verify Michael C. Ong, MD's license?
NPPES lists Pennsylvania license number MD066489-L, 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 Michael C. Ong, MD prescribe under Medicare Part D?
In 2024, Michael C. Ong, MD had 18,123 Medicare Part D claims for 1,310 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Michael C. Ong, MD's MIPS final score?
The 2023 MIPS final score is 93.8 of 100. 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.