Caroline S. Mullin, M.D.
Family Medicine Physician · Boston, MA
Caroline S. Mullin, M.D. is a family medicine physician with a practice address in Boston, Massachusetts, and NPI 1861802274, issued on May 7, 2014. Check the license (Massachusetts 271140, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Caroline S. Mullin
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 271140 MA
Self-reported in NPPES; status is on the state search - Practice location
- 10 Gove St, Boston, MA 02128
- Phone
- (617) 569-5800
- Enumerated
- May 7, 2014
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (617) 568-4780
- Medicare enrollment
- Enrolled (PECOS I20171201001487); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 10 Gove St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rosemary CarterCommunity Health Registered Nurse1700704855
- Jeanine Freliech, M.D.Pediatrics Physician1578619086
- Jane Howe, MDPediatrics Physician1649966821
- Azalia Landa Blanco, FNPFamily Nurse Practitioner1821827080
- Lindsey Landwehrle, CNPGerontology Nurse Practitioner1770191868
- Anastasia Lee, FNP-BCFamily Nurse Practitioner1245015593
Verify Caroline S. Mullin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 271140Check 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 family medicine physician in 2024
320 Medicare Part D claims for 60 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Atorvastatin Calcium33 claims
- Trulicity16 claims
- Amlodipine Besylate14 claims
- Carvedilol13 claims
- Fluticasone Propionate13 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.
Bills Medicare through one group practice
- Harbor Health Services IncDorchester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Caroline S. Mullin among 2,265 family medicine physician records in Massachusetts
Caroline S. Mullin, M.D. is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 71% of them.
- NPI issued2014 · 71% of these records are older, 27% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2014 · median 2006 among the 1,529 with a school on file
- Record last updated2018 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in Massachusetts
There are 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Boston → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lilia Cardenas, MDEast Boston, MA 021281841406964
- Anne Dwyer-Wilmer, MDEast Boston, MA 021281619170255
- Jackie Fantes, MDEast Boston, MA 021281275530719
- Elizabeth Gaskins, M.D.East Boston, MA 021281639344500
- Rajneesh Hazarika, M.D.East Boston, MA 021281841394707
- Mirriam Hoffman, M.D.East Boston, MA 021281508844689
- Karin Leschly, M.D.East Boston, MA 021281013996099
- Cheryl McSweeney, M.D.East Boston, MA 021281811976897
Common questions
What is Caroline S. Mullin, M.D.'s NPI number?
Caroline S. Mullin, M.D.'s National Provider Identifier (NPI) is 1861802274, issued on May 7, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Caroline S. Mullin, M.D. located?
The NPPES record lists a practice address at 10 Gove St, Boston, MA, 02128. Phone: (617) 569-5800. Providers update this record themselves, so call before visiting.
How can I verify Caroline S. Mullin, M.D.'s license?
NPPES lists Massachusetts license number 271140, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Caroline S. Mullin, M.D. prescribe under Medicare Part D?
In 2024, Caroline S. Mullin, M.D. had 320 Medicare Part D claims for 60 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.