Stuart Ackerman
Internal Medicine Physician · Altoona, PA
Stuart Ackerman is an internal medicine physician with a practice address in Altoona, Pennsylvania, and NPI 1740256312, issued on Feb 24, 2006. Check the license (Pennsylvania OS010401L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Stuart Ackerman
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OS010401L PA
Self-reported in NPPES; status is on the state search - Practice location
- 620 Howard Ave, Altoona, PA 16601
- Phone
- (814) 889-2223
- Enumerated
- Feb 24, 2006
- Entity
- Type 1 · individual
Also registered at 620 Howard Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Dawn Alexy, CRNACertified Registered Nurse Anesthetist1144248733
- Usman AliPsychiatry Physician1285842625
- Joseph AntonowiczPsychiatry Physician1265480834
- Leila Arani, MDInternal Medicine Physician1063099059
Verify Stuart Ackerman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS010401LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
256 Medicare Part D claims for 110 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Pantoprazole Sodium18 claims
- Clopidogrel16 claims
- Furosemide12 claims
- Metoprolol Succinate11 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 Medicare quality score for 2023: 46.8 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).
One hospital or facility affiliation
- Upmc AltoonaPittsburgh, PA · Acute Care Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
37 internal medicine physician records list a Altoona practice address
They are 37 of the 1,985 NPPES records with a Altoona practice address, and 8,636 internal medicine physician records in Pennsylvania.
All 37 in Altoona → All 8,636 in Pennsylvania → Every provider in Altoona →
Other internal medicine physician records in Pennsylvania
- Erin Aakhus, M.D.Philadelphia, PA1255652087
- Muhammad Aamir, MDAllentown, PA1477039147
- Saira Aamir, MDYork, PA1184515686
- John Aaron, MDWest Grove, PA1427094531
- Todd Aaron, MDPhiladelphia, PA1457350522
- Cybele Abad, M.D.Pittsburgh, PA1619900453
- Mario Abad, MDDuncannon, PA1710022975
- Joseph Abalos, M.D.Seneca, PA1215128434
- Ali Abbas, MDYork, PA1023343779
- Huda Abbas, MDDoylestown, PA1316187024
Common questions
What is Stuart Ackerman's NPI number?
Stuart Ackerman's National Provider Identifier (NPI) is 1740256312, issued on Feb 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stuart Ackerman located?
The NPPES record lists a practice address at 620 Howard Ave, Altoona, PA, 16601. Phone: (814) 889-2223. Providers update this record themselves, so call before visiting.
How can I verify Stuart Ackerman's license?
NPPES lists Pennsylvania license number OS010401L, 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 Stuart Ackerman prescribe under Medicare Part D?
In 2024, Stuart Ackerman had 256 Medicare Part D claims for 110 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is Stuart Ackerman's Medicare quality score?
The 2023 MIPS final score is 46.8 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.