Atul Roy, M.D.
NPI 1467496505 · Nephrology Physician · Merced, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Atul Roy, M.D. is a Nephrology Physician provider in Merced, CA (NPI 1467496505).
Provider details
- NPI number
- 1467496505
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A44403 (CA)
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
6,691 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) |
|---|---|---|
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 622 | $353 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 469 | $97 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 422 | $9 |
| Phosphate Level84100 | 412 | $5 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 411 | $10 |
| Magnesium Level83735 | 405 | $7 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tenapanor Hclbrand: Xphozah | 200 | 31 |
| Losartan Potassium | 194 | 68 |
| Empagliflozinbrand: Jardiance | 185 | 71 |
| Dapagliflozin Propanediolbrand: Farxiga | 180 | 57 |
| Amlodipine Besylate | 138 | 52 |
| Parenteral Amino Acid 20% No.1brand: Prosol | 123 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$369 across 15 records (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
- 2006-06-16
- Last updated
- 2015-11-09
Frequently asked questions
- What is Atul Roy's NPI number?
- Atul Roy's National Provider Identifier (NPI) is 1467496505, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Atul Roy's specialty?
- Atul Roy is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Atul Roy located?
- Atul Roy's practice location on file with NPPES is 1140 Olivewood Dr, Merced, CA 95348-1210.
- What is Atul Roy's phone number?
- The practice phone number listed in the NPPES registry for Atul Roy is (209) 725-2121.
- Does Atul Roy accept Medicare?
- Atul Roy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Atul Roy's NPI active?
- Yes — Atul Roy's NPI (1467496505) is active in the NPPES registry as of the last update on 2015-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.