Michael Grasso, MD
NPI 1821063785 · Nephrology Physician · West Orange, NJ
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Grasso, MD is a Nephrology Physician provider in West Orange, NJ (NPI 1821063785).
Provider details
- NPI number
- 1821063785
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA02860400 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,375 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 570 | $79 |
| Hemodialysis Procedure With Physician Evaluation90935 | 263 | $72 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 206 | $362 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 113 | $136 |
| Dialysis Procedure Including 1 Evaluation90945 | 67 | $91 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 51 | $290 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sevelamer Carbonate | 59 | 20 |
| Calcium Acetate | 43 | 14 |
| Hydralazine Hcl | 42 | 16 |
| Amlodipine Besylate | 31 | 12 |
| Sucroferric Oxyhydroxidebrand: Velphoro | 28 | — |
| Losartan Potassium | 24 | 13 |
| Prednisone | 22 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$16 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-22
- Last updated
- 2012-03-07
Frequently asked questions
- What is Michael Grasso's NPI number?
- Michael Grasso's National Provider Identifier (NPI) is 1821063785, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Grasso's specialty?
- Michael Grasso is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Grasso located?
- Michael Grasso's practice location on file with NPPES is 111 Northfield Avenue, West Orange, NJ 07052-4703.
- What is Michael Grasso's phone number?
- The practice phone number listed in the NPPES registry for Michael Grasso is (973) 325-2103.
- Does Michael Grasso accept Medicare?
- Michael Grasso is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Grasso's NPI active?
- Yes — Michael Grasso's NPI (1821063785) is active in the NPPES registry as of the last update on 2012-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.