Registry data as of Aug 27, 2026

Rachel Ackerman, MD

Internal Medicine Physician · Waltham, MA

Rachel Ackerman, MD is an internal medicine physician with a practice address in Waltham, Massachusetts, and NPI 1376923094, issued on Jun 8, 2015. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1376923094
Name
Rachel Ackerman
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
355 Waverly Oaks RD Ste 200, Waltham, MA 02452
Phone
(781) 647-6920
Enumerated
Jun 8, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 355 Waverly Oaks RD Ste 200

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

  1. Allison Lovely, FNP-CNurse Practitioner1245120351

Verify Rachel Ackerman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck 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.

95% fewer Medicare Part D claims than the average internal medicine physician in 2024

127 Medicare Part D claims for 50 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D.

  1. Rachel Ackerman127
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium15 claims
  2. Amlodipine Besylate11 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

  1. Mount Auburn Professional Services IncWaltham, 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.

31 internal medicine physician records list a Waltham practice address

They are 31 of the 2,111 NPPES records with a Waltham practice address, and 7,865 internal medicine physician records in Massachusetts.

Other internal medicine physician records in Massachusetts

  1. Nawal Aamir, MDWorcester, MA1588248926
  2. Zainab AbbasWorcester, MA1609028000
  3. Nooshin Abbasi, MD MPHNewton, MA1831888353
  4. Lauren Abbate, MDBoston, MA1922099621
  5. Bassima Abdallah, MDBoston, MA1912327305
  6. Samah Abdallah, MDBrighton, MA1730814971
  7. Omar Abdel-Wahab, M.D.Boston, MA1023042777
  8. Salah Abdelgadir, MDBoston, MA1891280954
  9. Mahmoud Abdelghany, M.D.Springfield, MA1134479629
  10. Mohab AbdelhalimBoston, MA1871388496

Common questions

What is Rachel Ackerman, MD's NPI number?

Rachel Ackerman, MD's National Provider Identifier (NPI) is 1376923094, issued on Jun 8, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Rachel Ackerman, MD located?

The NPPES record lists a practice address at 355 Waverly Oaks RD Ste 200, Waltham, MA, 02452. Phone: (781) 647-6920. Providers update this record themselves, so call before visiting.

How can I verify Rachel Ackerman, MD's license?

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 Rachel Ackerman, MD prescribe under Medicare Part D?

In 2024, Rachel Ackerman, MD had 127 Medicare Part D claims for 50 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.