NPPES file of Aug 9, 2026

Robert S. Croswell, MD

Psychiatry Physician · Waterville, ME

Robert S. Croswell, MD is a psychiatry physician with a practice address in Waterville, Maine, and NPI 1083651368, issued on Jun 2, 2006. Check the license (Maine 09843, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083651368
Name
Robert S. Croswell
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
09843 ME
Self-reported in NPPES; status is on the state search
Practice location
30 Chase Ave, Waterville, ME 04901
Phone
(207) 872-4397
Enumerated
Jun 2, 2006
Record last updated
Jul 3, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicaid ID
154420000 ME
Medicare enrollment
Enrolled (PECOS I20120905000031); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 1976
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.
Download card Updates feed

Also registered at 30 Chase Ave

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

  1. Philip Apolito, PHDPsychologist1700828753
  2. Mary Beiter, LCSWSocial Worker1386686327
  3. Carmen BernhardtOccupational Therapy Assistant1538469044
  4. John Bielecki, MD, MPHPreventive Medicine/Occupational Environmental Medicine Physician1861515330
  5. Mary Anne Booth, M.A., CCC-AAudiologist1063662351
  6. Daniel Brangwynne, PHDPsychologist1083674980

Verify Robert S. Croswell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license 09843
    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 Maine 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

58% more Medicare Part D claims than the average psychiatry physician in 2024

1,583 Medicare Part D claims for 140 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.

  1. Robert Croswell1,583
  2. Specialty average1,000

Most prescribed

  1. Clozapine100 claims
  2. Clonazepam90 claims
  3. Escitalopram Oxalate87 claims
  4. Quetiapine Fumarate83 claims
  5. Lorazepam63 claims
  6. Alprazolam49 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): 79.3 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.

  1. Qualityout of 100 · 30% of the final score73.7
  2. Costout of 100 · 30%60.5
  3. Promoting interoperabilityout of 100 · 25%76.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Mainegeneral Medical CenterWaterville, ME

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

Psychiatry Physician providers in Maine

There are 326 psychiatry physician records in Maine.

Other psychiatry physician records in Maine

  1. Kathleen Abernathy, M.D.Yarmouth, ME1013169481
  2. Mac Abernathy, M.D.Rockport, ME1093009219
  3. Andres Abreu, MDSouth Portland, ME1871939710
  4. Stephen Adams, D.O.Augusta, ME1548352768
  5. Deepika Agrawal, M.D.Waterville, ME1689773079
  6. Arlene Almazan, MDSkowhegan, ME1053426387
  7. Vijay Amarendran, MDBrewer, ME1669660015
  8. Harold Amsel, MDEllsworth, ME1023228327
  9. Robert Anderson, MDWaterville, ME1073535530
  10. Hilary Andrew, MDPortland, ME1902177272

Common questions

What is Robert S. Croswell, MD's NPI number?

Robert S. Croswell, MD's National Provider Identifier (NPI) is 1083651368, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert S. Croswell, MD located?

The NPPES record lists a practice address at 30 Chase Ave, Waterville, ME, 04901. Phone: (207) 872-4397. Providers update this record themselves, so call before visiting.

How can I verify Robert S. Croswell, MD's license?

NPPES lists Maine license number 09843, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Robert S. Croswell, MD prescribe under Medicare Part D?

In 2024, Robert S. Croswell, MD had 1,583 Medicare Part D claims for 140 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.

What is Robert S. Croswell, MD's MIPS final score?

The 2023 MIPS final score is 79.3 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.