David Ahern, M.D.
Family Medicine Physician · Shrewsbury, MA
David Ahern, M.D. is a family medicine physician with a practice address in Shrewsbury, Massachusetts, and NPI 1720425598, issued on Jun 3, 2013. Check the license (Massachusetts 265492, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- David Ahern
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 265492 MA
Self-reported in NPPES; status is on the state search - Practice location
- 604 Main St, Shrewsbury, MA 01545
- Phone
- (508) 842-0057
- Enumerated
- Jun 3, 2013
- Entity
- Type 1 · individual
Also registered at 604 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- June Blanco, M.D.Internal Medicine Physician1548242787
- Vasilios Chrisostomidis, D.O.Family Medicine Physician1669458048
- Nicole DaluzNurse Practitioner1891367405
- Frank Domino, M.D.Family Medicine Physician1942283809
- Heather Gallo, M.D.Internal Medicine Physician1326021189
- Nivedita Gour, MDInternal Medicine Physician1255356853
Verify David Ahern in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 265492Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.1 times the Medicare Part D claims of the average family medicine physician in 2024
7,350 Medicare Part D claims for 616 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 297 claims were for opioids.
Most prescribed
- Atorvastatin Calcium658 claims
- Amlodipine Besylate372 claims
- Lisinopril329 claims
- Losartan Potassium241 claims
- Omeprazole229 claims
- Rosuvastatin Calcium185 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.
One hospital or facility affiliation
- Umass Memorial Medical Group IncShrewsbury, MA
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.
14 family medicine physician records list a Shrewsbury practice address
They are 14 of the 550 NPPES records with a Shrewsbury practice address, and 2,226 family medicine physician records in Massachusetts.
All 14 in Shrewsbury → All 2,226 in Massachusetts → Every provider in Shrewsbury →
Other family medicine physician records in Massachusetts
- Salah Abass, M.D.Methuen, MA1417959776
- Sheila Abdallah, MDWorcester, MA1821356312
- Jonathan Abel, DOSpringfield, MA1700897196
- Mohamed Abib, MDSturbridge, MA1639281090
- Kevin Abraham, M.D.Worcester, MA1689037673
- Janet Abrahamian, M.D.West Boylston, MA1932156627
- John Abramson, M.D.Ipswich, MA1275613903
- John Paul Abroguena, MDPlainville, MA1235361080
- Aliza Acker-Bernstein, M.D.Peabody, MA1023057551
- Lisa Adams, MDFalmouth, MA1235404336
Common questions
What is David Ahern, M.D.'s NPI number?
David Ahern, M.D.'s National Provider Identifier (NPI) is 1720425598, issued on Jun 3, 2013. An NPI identifies a provider in billing; it is not a license.
Where is David Ahern, M.D. located?
The NPPES record lists a practice address at 604 Main St, Shrewsbury, MA, 01545. Phone: (508) 842-0057. Providers update this record themselves, so call before visiting.
How can I verify David Ahern, M.D.'s license?
NPPES lists Massachusetts license number 265492, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David Ahern, M.D. prescribe under Medicare Part D?
In 2024, David Ahern, M.D. had 7,350 Medicare Part D claims for 616 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
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.