Michael Anthony Grasso, MD
Nephrology Physician · West Orange, NJ
Michael Anthony Grasso, MD is a nephrology physician with a practice address in West Orange, New Jersey, and NPI 1821063785, issued on Feb 22, 2006. Check the license (New Jersey 25MA02860400, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Michael Anthony Grasso
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 25MA02860400 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 111 Northfield Avenue, West Orange, NJ 07052
- Phone
- (973) 325-2103
- Enumerated
- Feb 22, 2006
- Record last updated
- Mar 7, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (973) 325-2254
- Medicaid ID
- 1207202 NJ
- Medicare enrollment
- Enrolled (PECOS I20100107000330); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 1970
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 433 in New Jersey → Look up another NPI →
Also registered at 111 Northfield Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heather Lefkowitz, MDNephrology Physician1659346518
- Sadanand Palekar, MDNephrology Physician1275500969
Verify Michael Anthony Grasso in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA02860400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average nephrology physician in 2024
528 Medicare Part D claims for 106 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Sevelamer Carbonate59 claims
- Calcium Acetate43 claims
- Hydralazine Hcl42 claims
- Amlodipine Besylate31 claims
- Velphoro28 claims
- Losartan Potassium24 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.
Industry payments in 2024: $16.40
1 payment: food and beverage; the largest payer was Dexcom, 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
- The Nephrology Group PAWest Orange, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Anthony Grasso among 433 nephrology physician records in New Jersey
Michael Anthony Grasso, MD is one of 433 nephrology physician records with a practice address in New Jersey. 88% 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, 46% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated1970 · median 2000 among the 337 with a school on file
- Record last updated2012 · 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 207RN0300X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 nephrology physician records list a practice address in West Orange
They are 17 of the 1,370 NPPES records with a practice address in West Orange, and 433 nephrology physician records in New Jersey.
All 433 in New Jersey → Every provider in West Orange → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Luigi Bonomini, M.D.West Orange, NJ 070521992771349
- Lisette Casagrande, M.D.West Orange, NJ 070521912166877
- Sanford Cooper, MDWest Orange, NJ 070521326013202
- Gary Friedman, M.D.West Orange, NJ 070521952393431
- Craig Goldstein, DOMDWest Orange, NJ 070521700973203
- Odler Jeanlouie, MDWest Orange, NJ 070521881655686
- Naga Komati, MDWest Orange, NJ 070521902014525
- Heather Lefkowitz, MDWest Orange, NJ 070521659346518
Common questions
What is Michael Anthony Grasso, MD's NPI number?
Michael Anthony Grasso, MD's National Provider Identifier (NPI) is 1821063785, issued on Feb 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Anthony Grasso, MD located?
The NPPES record lists a practice address at 111 Northfield Avenue, West Orange, NJ, 07052. Phone: (973) 325-2103. Providers update this record themselves, so call before visiting.
How can I verify Michael Anthony Grasso, MD's license?
NPPES lists New Jersey license number 25MA02860400, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Anthony Grasso, MD prescribe under Medicare Part D?
In 2024, Michael Anthony Grasso, MD had 528 Medicare Part D claims for 106 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.