NPPES file of Aug 9, 2026

Catherine Buettner, MD

Internal Medicine Physician · Boston, MA

Catherine Buettner, MD is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1487692604, issued on Jun 2, 2006. Check the license (Massachusetts 217389, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1487692604
Name
Catherine Buettner
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
217389 MA
Self-reported in NPPES; status is on the state search
Practice location
332 Hanover St, Boston, MA 02113
Phone
(617) 643-8000
Enumerated
Jun 2, 2006
Record last updated
Sep 9, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20050112000736); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 332 Hanover St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jean Bernhardt, RN FNPFamily Nurse Practitioner1265428072
  2. Cecilia Borda Bossana, DDSDentist1558120709
  3. Georgina Camillo, DMDOral and Maxillofacial Surgery (Dentist)1326025883
  4. Harriet Crary, LICSWClinical Social Worker1306902192
  5. Susan De Gruchy, FNPFamily Nurse Practitioner1861473662
  6. Bianca Dias-Pigott, RNFamily Nurse Practitioner1346856499

Verify Catherine Buettner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 217389
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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96% fewer Medicare Part D claims than the average internal medicine physician in 2024

142 Medicare Part D claims for 118 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Catherine Buettner142
  2. Specialty average3,176

Most prescribed

  1. Paxlovid43 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

  1. Mount Auburn Professional Services IncCambridge, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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.

Other internal medicine physician records in Massachusetts

  1. Nawal Aamir, MDWorcester, MA1588248926
  2. Nathan Abare, MDSpringfield, MA1386852747
  3. Nooshin Abbasi, MD MPHNewton, MA1831888353
  4. Taimur AbbasiBoston, MA1841673522
  5. Lauren Abbate, MDBoston, MA1922099621
  6. Bassima Abdallah, MDBoston, MA1912327305
  7. Maya Abdallah, MDBoston, MA1861854937
  8. Samah Abdallah, MDBrighton, MA1730814971
  9. Omar Abdel-Wahab, M.D.Boston, MA1023042777
  10. Mohab AbdelhalimBoston, MA1871388496

Common questions

What is Catherine Buettner, MD's NPI number?

Catherine Buettner, MD's National Provider Identifier (NPI) is 1487692604, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Buettner, MD located?

The NPPES record lists a practice address at 332 Hanover St, Boston, MA, 02113. Phone: (617) 643-8000. Providers update this record themselves, so call before visiting.

How can I verify Catherine Buettner, MD's license?

NPPES lists Massachusetts license number 217389, 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 Catherine Buettner, MD prescribe under Medicare Part D?

In 2024, Catherine Buettner, MD had 142 Medicare Part D claims for 118 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.