Andrea Catherine Enzinger, M.D.
Internal Medicine Physician · Boston, MA
Andrea Catherine Enzinger, M.D. is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1669639258, issued on May 21, 2008. Check the license (Massachusetts 240022, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Andrea Catherine Enzinger
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 240022 MA
Self-reported in NPPES; status is on the state search - Practice location
- 450 Brookline Ave, Boston, MA 02215
- Phone
- (617) 632-3779
- Enumerated
- May 21, 2008
- Record last updated
- Oct 31, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (617) 632-5822
- Medicare enrollment
- Enrolled (PECOS I20110124000167); accepts Medicare assignment
- Medical or professional school
- University Of North Carolina At Chapel Hill School Of Medicine, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 450 Brookline Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Andrea Catherine Enzinger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 240022Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
115 Medicare Part D claims for 25 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Prochlorperazine Maleate11 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 MIPS final score for 2023 (Medicare payment program): 86.3 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).
Bills Medicare through one group practice
- Dana-Farber Cancer Institute, Inc.South Weymouth, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrea Catherine Enzinger among 6,825 internal medicine physician records in Massachusetts
Andrea Catherine Enzinger, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 55% of them.
- NPI issued2008 · 55% of these records are older, 40% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2006 · median 2004 among the 4,103 with a school on file
- Record last updated2012 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,320 internal medicine physician records list a practice address in Boston
They are 2,320 of the 41,865 NPPES records with a practice address in Boston, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Boston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Stephen Boswell, M.D.Boston, MA 022151477541217
- Jennifer Cluett, MDBoston, MA 022151962491183
- Jan Cook, M.D.Boston, MA 022151437152139
- Rachel Freedman, M.D.Boston, MA 022151942297189
- Joseph Gesmundo, MDBoston, MA 022151891785069
- Alex Gonzalez, MD, MPHBoston, MA 022151134101629
- Scott Harris, MDBoston, MA 022151871581694
- Joseph Li, M.D.Boston, MA 022151043209380
Common questions
What is Andrea Catherine Enzinger, M.D.'s NPI number?
Andrea Catherine Enzinger, M.D.'s National Provider Identifier (NPI) is 1669639258, issued on May 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Andrea Catherine Enzinger, M.D. located?
The NPPES record lists a practice address at 450 Brookline Ave, Boston, MA, 02215. Phone: (617) 632-3779. Providers update this record themselves, so call before visiting.
How can I verify Andrea Catherine Enzinger, M.D.'s license?
NPPES lists Massachusetts license number 240022, 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 Andrea Catherine Enzinger, M.D. prescribe under Medicare Part D?
In 2024, Andrea Catherine Enzinger, M.D. had 115 Medicare Part D claims for 25 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Andrea Catherine Enzinger, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.3 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), 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.