NPPES file of Aug 9, 2026

Robert S. Nierman, M.D.

Surgery Physician · Watertown, MA

Robert S. Nierman, M.D. is a surgery physician with a practice address in Watertown, Massachusetts, and NPI 1801834023, issued on Jun 2, 2006. Check the license (Massachusetts 38289, 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
1801834023
Name
Robert S. Nierman
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License number
38289 MA
Self-reported in NPPES; status is on the state search
Practice location
705 Mt. Auborn Street, Watertown, MA 02472
Phone
(617) 972-9025
Enumerated
Jun 2, 2006
Record last updated
Jul 13, 2026
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.
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Verify Robert S. Nierman 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 38289
    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

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78% fewer Medicare Part D claims than the average surgery physician in 2024

32 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.

  1. Robert Nierman32
  2. Specialty average147

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.

Robert S. Nierman among 1,003 surgery physician records in Massachusetts

Robert S. Nierman, M.D. is one of 1,003 surgery physician records with a practice address in Massachusetts. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 58% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2026 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Massachusetts

There are 1,003 surgery physician records in Massachusetts.

The 8 surgery physician records with the nearest ZIP codes

  1. Maryam Akbari, D.M.D, M.P.H, M.DWatertown, MA 024721083091664
  2. Sara Aljohani, MDWatertown, MA 024721407089881
  3. William Flynn, M.D.Arlington, MA 024761952330268
  4. Kathleen Mayzel, M.D.Arlington, MA 024761336279934
  5. Rita Sadowski, M.D.Chestnut Hill, MA 024671801941794
  6. Mandeep Saund, MDChestnut Hill, MA 024671821053844
  7. Sheldon Binder, M.D.Belmont, MA 024781356466288
  8. Joseph Avellone, M.D.Wellesley, MA 024811376876474

Common questions

What is Robert S. Nierman, M.D.'s NPI number?

Robert S. Nierman, M.D.'s National Provider Identifier (NPI) is 1801834023, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert S. Nierman, M.D. located?

The NPPES record lists a practice address at 705 Mt. Auborn Street, Watertown, MA, 02472. Phone: (617) 972-9025. Providers update this record themselves, so call before visiting.

How can I verify Robert S. Nierman, M.D.'s license?

NPPES lists Massachusetts license number 38289, 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 Robert S. Nierman, M.D. prescribe under Medicare Part D?

In 2024, Robert S. Nierman, M.D. had 32 Medicare Part D claims; the average among surgery physician prescribers was 147. 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.