Registry data as of Aug 27, 2026

Ross Baldessarini, MD

Psychiatry Physician · Belmont, MA

Ross Baldessarini, MD is a psychiatry physician with a practice address in Belmont, Massachusetts, and NPI 1487644787, issued on Oct 27, 2005. Check the license (Massachusetts 29098, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1487644787
Name
Ross Baldessarini
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
29098 MA
Self-reported in NPPES; status is on the state search
Practice location
115 Mill St, Belmont, MA 02478
Phone
(617) 855-3203
Enumerated
Oct 27, 2005
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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Also registered at 115 Mill St

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

  1. Blaise Aguirre, MDChild & Adolescent Psychiatry Physician1619936846
  2. Kayia Akoun, M.D.Psychiatry Physician1588028732
  3. Rana Alam-RomanosSocial Worker1487420311
  4. Robert Alexander, M.D.Psychiatry Physician1447526074
  5. Madeleine AllenStudent in an Organized Health Care Education/Training Program1205553971
  6. Danielle Alleven, PSY.D.Clinical Psychologist1891741153

Verify Ross Baldessarini 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 29098
    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.

146 psychiatry physician records list a Belmont practice address

They are 146 of the 1,008 NPPES records with a Belmont practice address, and 2,637 psychiatry physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other psychiatry physician records in Massachusetts

  1. Karen Abdool, M.D., PH.DLynn, MA1942472824
  2. Harmony Abejuela, M.D.Quincy, MA1316259492
  3. Marielle Abell, PAAmherst, MA1275644072
  4. Steven Ablon, MDBoston, MA1083604839
  5. Keith Ablow, M.D.Newbury, MA1245423615
  6. Yousef Abou-Allaban, MDWalpole, MA1922040666
  7. Habiba Abozeid, MDBoston, MA1689408346
  8. Margarita Abramovich, MDPittsfield, MA1154883239
  9. Howard Abrams, MDSalem, MA1821102773
  10. David Abramson, MDCambridge, MA1376679787

Common questions

What is Ross Baldessarini, MD's NPI number?

Ross Baldessarini, MD's National Provider Identifier (NPI) is 1487644787, issued on Oct 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ross Baldessarini, MD located?

The NPPES record lists a practice address at 115 Mill St, Belmont, MA, 02478. Phone: (617) 855-3203. Providers update this record themselves, so call before visiting.

How can I verify Ross Baldessarini, MD's license?

NPPES lists Massachusetts license number 29098, as entered by the provider. 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.