Nishant Aggarwal, MD
NPI 1497327266 · Gastroenterology Physician · Royal Oak, MI
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nishant Aggarwal, MD is a Gastroenterology Physician provider in Royal Oak, MI (NPI 1497327266).
Provider details
- NPI number
- 1497327266
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4301511275 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
4 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 26 | 17 |
| Atorvastatin Calcium | 19 | — |
| Losartan Potassium | 17 | — |
| Apixabanbrand: Eliquis | 12 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 11 | — |
| Duloxetine Hcl | 11 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$125 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
- 2021-07-12
- Last updated
- 2024-10-06
- Certified
- 2024-10-06
Frequently asked questions
- What is Nishant Aggarwal's NPI number?
- Nishant Aggarwal's National Provider Identifier (NPI) is 1497327266, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nishant Aggarwal's specialty?
- Nishant Aggarwal is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Nishant Aggarwal located?
- Nishant Aggarwal's practice location on file with NPPES is 3535 W 13 Mile Rd Ste Ll, Royal Oak, MI 48073-6770.
- What is Nishant Aggarwal's phone number?
- The practice phone number listed in the NPPES registry for Nishant Aggarwal is (248) 551-3000.
- Does Nishant Aggarwal accept Medicare?
- Nishant Aggarwal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nishant Aggarwal's NPI active?
- Yes — Nishant Aggarwal's NPI (1497327266) is active in the NPPES registry as of the last update on 2024-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.