John Ahern
Student in an Organized Health Care Education/Training Program · Cambridge, MA
John Ahern is a student in an organized health care education/training program with a practice address in Cambridge, Massachusetts, and NPI 1699397141, issued on May 7, 2020. Check the license (Massachusetts 1014642, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Ahern
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- License number
- 1014642 MA
Self-reported in NPPES; status is on the state search - Practice location
- 163 Gore St, Cambridge, MA 02141
- Phone
- (617) 665-3000
- Enumerated
- May 7, 2020
- Entity
- Type 1 · individual
Also registered at 163 Gore St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amy Allen, OTD, OTR/LOccupational Therapist1124675376
- Elizabeth Attreed, RNRegistered Nurse1194003905
- Chris Babbage, M.D.Psychiatry Physician1134350481
- Curtis Ballard, RNRegistered Nurse1629512769
- Lourdes BarrosSocial Worker1578636874
Verify John Ahern in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 1014642Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
40% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
295 Medicare Part D claims for 37 beneficiaries, against an average of 488 among the 106,422 providers of this specialty who prescribed in Part D.
Most prescribed
- Lisinopril26 claims
- Atorvastatin Calcium23 claims
- Trazodone Hcl21 claims
- Omeprazole14 claims
- Simvastatin13 claims
- Naproxen12 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
- Cambridge Public Health CommissionCambridge, 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.
407 student in an organized health care education/training program records list a Cambridge practice address
They are 407 of the 5,145 NPPES records with a Cambridge practice address, and 13,662 student in an organized health care education/training program records in Massachusetts.
All 407 in Cambridge → All 13,662 in Massachusetts → Every provider in Cambridge →
Other student in an organized health care education/training program records in Massachusetts
- Amin AalipourBoston, MA1902483258
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- Shullamite Ababioh, MDBoston, MA1225731276
- Jilaine Abad, DDSBoston, MA1356027585
- Patrick Abad, MDSpringfield, MA1063351823
- Elsa Abakah, M.S.Fall River, MA1578971693
- Matias Abarca Caldera, DDSBoston, MA1316789936
- Peter Abaskhroun, MDFall River, MA1740786391
- Elijah AbassBoston, MA1306784947
- Majed Abbas, MDLowell, MA1346827870
Common questions
What is John Ahern's NPI number?
John Ahern's National Provider Identifier (NPI) is 1699397141, issued on May 7, 2020. An NPI identifies a provider in billing; it is not a license.
Where is John Ahern located?
The NPPES record lists a practice address at 163 Gore St, Cambridge, MA, 02141. Phone: (617) 665-3000. Providers update this record themselves, so call before visiting.
How can I verify John Ahern's license?
NPPES lists Massachusetts license number 1014642, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does John Ahern prescribe under Medicare Part D?
In 2024, John Ahern had 295 Medicare Part D claims for 37 beneficiaries; the average among student in an organized health care education/training program prescribers was 488. 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.