Mohamad Amjad Bahnassi, M.D.
Psychiatry Physician · Worcester, MA
Mohamad Amjad Bahnassi, M.D. is a psychiatry physician with a practice address in Worcester, Massachusetts, and NPI 1487754974, issued on Sep 24, 2006. Check the license (Massachusetts 59555, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mohamad Amjad Bahnassi
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 59555 MA
Self-reported in NPPES; status is on the state search - Practice location
- Behavioral Healthcare Services, Worcester, MA 01604
- Phone
- (508) 753-5554
- Enumerated
- Sep 24, 2006
- Record last updated
- Jun 16, 2025
- Fax
- (508) 752-7245
- Medicaid IDs
- 110045495A MA
3032639 MA - Medicare enrollment
- Enrolled (PECOS I20050405001191); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,736 in Massachusetts → Look up another NPI →
Verify Mohamad Amjad Bahnassi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 59555Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16.8 times the Medicare Part D claims of the average psychiatry physician in 2024
16,799 Medicare Part D claims for 661 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Clonazepam1,270 claims
- Trazodone Hcl979 claims
- Duloxetine Hcl798 claims
- Quetiapine Fumarate766 claims
- Gabapentin687 claims
- Bupropion Xl651 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 MIPS final score for 2023 (Medicare payment program): 19 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $46,815.88
321 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Behavioral Healthcare ServicesWorcester, MA
- Guidelight Health OF Massachusetts, LLCWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mohamad Amjad Bahnassi among 2,736 psychiatry physician records in Massachusetts
Mohamad Amjad Bahnassi, M.D. is one of 2,736 psychiatry physician records with a practice address in Massachusetts. 65% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 51% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated1982 · median 2005 among the 1,219 with a school on file
- Record last updated2025 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
133 psychiatry physician records list a practice address in Worcester
They are 133 of the 13,166 NPPES records with a practice address in Worcester, and 2,736 psychiatry physician records in Massachusetts.
All 2,736 in Massachusetts → Every provider in Worcester → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Allison Beckler, D,O.Worcester, MA 016041265726558
- Madelyn Hicks, M.D.Worcester, MA 016041184920217
- John Iwuc, M.D.Worcester, MA 016041851332498
- Richard Listerud, M.D.Worcester, MA 016041487635165
- Boris Lorberg, M.D.Worcester, MA 016041518980879
- Ashley Maclean, M.D.Worcester, MA 016041750723615
- Nelly Nabokin, M.D.Worcester, MA 016041477511061
- Paul Noroian, M.D.Worcester, MA 016041437161296
Common questions
What is Mohamad Amjad Bahnassi, M.D.'s NPI number?
Mohamad Amjad Bahnassi, M.D.'s National Provider Identifier (NPI) is 1487754974, issued on Sep 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mohamad Amjad Bahnassi, M.D. located?
The NPPES record lists a practice address at Behavioral Healthcare Services, Worcester, MA, 01604. Phone: (508) 753-5554. Providers update this record themselves, so call before visiting.
How can I verify Mohamad Amjad Bahnassi, M.D.'s license?
NPPES lists Massachusetts license number 59555, 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 Mohamad Amjad Bahnassi, M.D. prescribe under Medicare Part D?
In 2024, Mohamad Amjad Bahnassi, M.D. had 16,799 Medicare Part D claims for 661 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Mohamad Amjad Bahnassi, M.D.'s MIPS final score?
The 2023 MIPS final score is 19 of 100. 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.