Pilar Alonso, M.D.
Internal Medicine Physician · Wareham, MA
Pilar Alonso, M.D. is an internal medicine physician with a practice address in Wareham, Massachusetts, and NPI 1841295748, issued on Jun 16, 2005. Check the license (Massachusetts 204838, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Pilar Alonso
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 204838 MA
Self-reported in NPPES; status is on the state search - Practice location
- 43 High St, Wareham, MA 02571
- Phone
- (508) 973-7447
- Enumerated
- Jun 16, 2005
- Entity
- Type 1 · individual
Also registered at 43 High St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katie Akley, PHARM. D.Pharmacotherapy Pharmacist1437171758
- Lisa Billings, NPAdult Health Nurse Practitioner1083916928
- Judith Catalan, NPNurse Practitioner1124212634
- Keith Chappell, M.D.Emergency Medicine Physician1770881179
- Joyce Collins, LICSW,CASClinical Social Worker1437489101
- Danielle Crabb, LICSWSocial Worker1831808658
Verify Pilar Alonso in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 204838Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
76 Medicare Part D claims for 45 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin22 claims
- Doxycycline Hyclate11 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
- Southcoast Physicians Group IncFall River, 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.
13 internal medicine physician records list a Wareham practice address
They are 13 of the 298 NPPES records with a Wareham practice address, and 7,865 internal medicine physician records in Massachusetts.
All 13 in Wareham → All 7,865 in Massachusetts → Every provider in Wareham →
Other internal medicine physician records in Massachusetts
- Nawal Aamir, MDWorcester, MA1588248926
- Zainab AbbasWorcester, MA1609028000
- Nooshin Abbasi, MD MPHNewton, MA1831888353
- Lauren Abbate, MDBoston, MA1922099621
- Bassima Abdallah, MDBoston, MA1912327305
- Samah Abdallah, MDBrighton, MA1730814971
- Omar Abdel-Wahab, M.D.Boston, MA1023042777
- Salah Abdelgadir, MDBoston, MA1891280954
- Mahmoud Abdelghany, M.D.Springfield, MA1134479629
- Mohab AbdelhalimBoston, MA1871388496
Common questions
What is Pilar Alonso, M.D.'s NPI number?
Pilar Alonso, M.D.'s National Provider Identifier (NPI) is 1841295748, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Pilar Alonso, M.D. located?
The NPPES record lists a practice address at 43 High St, Wareham, MA, 02571. Phone: (508) 973-7447. Providers update this record themselves, so call before visiting.
How can I verify Pilar Alonso, M.D.'s license?
NPPES lists Massachusetts license number 204838, 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 Pilar Alonso, M.D. prescribe under Medicare Part D?
In 2024, Pilar Alonso, M.D. had 76 Medicare Part D claims for 45 beneficiaries; the average among internal medicine physician prescribers was 2,785. 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.