Ajaysingh Nirwan, MD
NPI 1750357190 · Hospitalist Physician · Mesa, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ajaysingh Nirwan, MD is a Hospitalist Physician provider in Mesa, AZ (NPI 1750357190).
Provider details
- NPI number
- 1750357190
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 31994 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,321 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 50 Minutes99233 | 436 | $105 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 350 | $69 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 252 | $151 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 212 | $100 |
| Critical Care, First 30-74 Minutes99291 | 59 | $189 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 12 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clopidogrel Bisulfatebrand: Clopidogrel | 46 | 45 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 28 | 28 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 27 | 27 |
| Metoprolol Succinate | 21 | 21 |
| Cephalexin | 17 | 17 |
| Cefdinir | 15 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-26
- Last updated
- 2017-04-15
Frequently asked questions
- What is Ajaysingh Nirwan's NPI number?
- Ajaysingh Nirwan's National Provider Identifier (NPI) is 1750357190, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ajaysingh Nirwan's specialty?
- Ajaysingh Nirwan is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Ajaysingh Nirwan located?
- Ajaysingh Nirwan's practice location on file with NPPES is 1400 S. Dobson Rd, Mesa, AZ 85202.
- What is Ajaysingh Nirwan's phone number?
- The practice phone number listed in the NPPES registry for Ajaysingh Nirwan is (480) 626-4882.
- Does Ajaysingh Nirwan accept Medicare?
- Ajaysingh Nirwan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ajaysingh Nirwan's NPI active?
- Yes — Ajaysingh Nirwan's NPI (1750357190) is active in the NPPES registry as of the last update on 2017-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.