Mary-Anne Ost, M.D.
Geriatric Medicine (Family Medicine) Physician · West Grove, PA
Mary-Anne Ost, M.D. is a geriatric medicine (family medicine) physician with a practice address in West Grove, Pennsylvania, and NPI 1740249697, issued on Mar 20, 2006. Check the license (Pennsylvania MD039487L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Mary-Anne Ost
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Family Medicine) Physician 207QG0300X
- License number
- MD039487L PA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Commerce Blvd, West Grove, PA 19390
- Phone
- (610) 869-0311
- Enumerated
- Mar 20, 2006
- Record last updated
- Feb 12, 2026
- Fax
- (610) 869-0333
- Medicare enrollment
- Enrolled (PECOS I20090406000543); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (family medicine) physician records → All 134 in Pennsylvania → Look up another NPI →
Also registered at 1 Commerce Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary-Anne Ost in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD039487LCheck 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% more Medicare Part D claims than the average geriatric medicine (family medicine) physician in 2024
6,293 Medicare Part D claims for 269 beneficiaries, against an average of 5,222 among the 1,271 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 33 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium532 claims
- Levothyroxine Sodium271 claims
- Amlodipine Besylate247 claims
- Metoprolol Succinate225 claims
- Citalopram Hbr204 claims
- Montelukast Sodium144 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): 80.1 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: $484.76
29 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 460 providers of this specialty with any payment received $1,218.49 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.
Mary-Anne Ost among 134 geriatric medicine (family medicine) physician records in Pennsylvania
Mary-Anne Ost, M.D. is one of 134 geriatric medicine (family 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 13% of them.
- NPI issued2006 · 13% of these records are older, 50% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated1981 · median 2004 among the 74 with a school on file
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QG0300X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Family Medicine) Physician providers in Pennsylvania
There are 134 geriatric medicine (family medicine) physician records in Pennsylvania.
All 134 in Pennsylvania → Every provider in West Grove → Geriatric Medicine (Family Medicine) Physician nationwide →
The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes
- John Peacock, D.O.Audubon, PA 194031881763613
- Robert Wilson, D.O.Eagleville, PA 194031245216068
- Bernard Ogon, M.DKing Of Prussia, PA 194061255509873
- Ingeborg Gerber, M.D.Blue Bell, PA 194221902148620
- Jennifer Hwang, DOBlue Bell, PA 194221114337508
- Stanley Savinese, DOGlen Mills, PA 193421497820385
- Ambrose Peterman, DOPottstown, PA 194641619938529
- Shima EbedHamburg, PA 195261588423099
Common questions
What is Mary-Anne Ost, M.D.'s NPI number?
Mary-Anne Ost, M.D.'s National Provider Identifier (NPI) is 1740249697, issued on Mar 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary-Anne Ost, M.D. located?
The NPPES record lists a practice address at 1 Commerce Blvd, West Grove, PA, 19390. Phone: (610) 869-0311. Providers update this record themselves, so call before visiting.
How can I verify Mary-Anne Ost, M.D.'s license?
NPPES lists Pennsylvania license number MD039487L, 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 Mary-Anne Ost, M.D. prescribe under Medicare Part D?
In 2024, Mary-Anne Ost, M.D. had 6,293 Medicare Part D claims for 269 beneficiaries; the average among geriatric medicine (family medicine) physician prescribers was 5,222. Part D covers Medicare prescriptions only.
What is Mary-Anne Ost, M.D.'s MIPS final score?
The 2023 MIPS final score is 80.1 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.