Gary O. Noroian, MD
Nephrology Physician · Leominster, MA
Gary O. Noroian, MD is a nephrology physician with a practice address in Leominster, Massachusetts, and NPI 1447232046, issued on Nov 18, 2005. Check the license (Massachusetts 160437, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Gary O. Noroian
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 160437 MA
Self-reported in NPPES; status is on the state search - Practice location
- 50 Memorial Dr, Leominster, MA 01453
- Phone
- (978) 466-4535
- Enumerated
- Nov 18, 2005
- Record last updated
- May 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (978) 466-4537
- Medicaid ID
- 110004663A MA
- Medicare enrollment
- Enrolled (PECOS I20100308000047); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 1996
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 417 in Massachusetts → Look up another NPI →
Also registered at 50 Memorial Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shabbir Abbasi, M.D.Neurology Physician1992798797
- Lloyd Alderson, M.D.Neurology Physician1053368787
- John Aney, MDPsychiatry Physician1104901016
- Rebecca Aslam, R.D.Registered Dietitian1770982340
- William Brodkin, M.D.Internal Medicine Physician1457468670
- Jung-Ming Chen, M.D.Personal Emergency Response Attendant1588620322
Verify Gary O. Noroian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 160437Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average nephrology physician in 2024
771 Medicare Part D claims for 159 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Amlodipine Besylate121 claims
- Lisinopril95 claims
- Losartan Potassium65 claims
- Calcitriol62 claims
- Carvedilol51 claims
- Spironolactone40 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): 97 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: $16.70
8 payments; by number, the most common kind was education; the largest payer was Travere Therapeutics, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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 one group practice
- Umass Memorial Medical Group IncClinton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gary O. Noroian among 417 nephrology physician records in Massachusetts
Gary O. Noroian, MD is one of 417 nephrology physician records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1996 · median 2001 among the 295 with a school on file
- Record last updated2021 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Massachusetts
There are 417 nephrology physician records in Massachusetts.
All 417 in Massachusetts → Every provider in Leominster → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Shipen Li, M.D.Leominster, MA 014531811947997
- Efrain Otero Palacios, MDLeominster, MA 014531114379716
- Michael Shih, M.D.Leominster, MA 014531598747024
- Francis Zambetti, M.D.Fitchburg, MA 014201295717734
- Rohit Vakil, M.D.Worcester, MA 016041720062920
- Howard Alfred, M.D.Worcester, MA 016051942283627
- Jeffrey Blomstedt, MDGreenfield, MA 013011831180363
- Maria Delrosario, M.D.Worcester, MA 016051609859230
Common questions
What is Gary O. Noroian, MD's NPI number?
Gary O. Noroian, MD's National Provider Identifier (NPI) is 1447232046, issued on Nov 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gary O. Noroian, MD located?
The NPPES record lists a practice address at 50 Memorial Dr, Leominster, MA, 01453. Phone: (978) 466-4535. Providers update this record themselves, so call before visiting.
How can I verify Gary O. Noroian, MD's license?
NPPES lists Massachusetts license number 160437, 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 Gary O. Noroian, MD prescribe under Medicare Part D?
In 2024, Gary O. Noroian, MD had 771 Medicare Part D claims for 159 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Gary O. Noroian, MD's MIPS final score?
The 2023 MIPS final score is 97 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.