Nirmal Nair, MD
NPI 1336674399 · Endocrinology, Diabetes & Metabolism Physician · Munster, IN
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nirmal Nair, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Munster, IN (NPI 1336674399).
Provider details
- NPI number
- 1336674399
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 01088182A (IN)
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 tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
495 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 222 | $121 |
| Hemoglobin A1c Level83036 | 66 | $9 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 57 | $3 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 46 | $16 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 43 | $156 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 228 | 51 |
| Tirzepatidebrand: Mounjaro | 158 | 40 |
| Metformin Hclbrand: Metformin Hcl Er | 97 | 32 |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle | 76 | 27 |
| Levothyroxine Sodium | 59 | 21 |
| Empagliflozinbrand: Jardiance | 52 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$604 across 7 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
Additional practice locations (1)
- 56-45 Main StFlushing, NY 11355-5045Phone: (718) 670-2897
Registry dates
- Enumerated
- 2017-04-27
- Last updated
- 2023-10-13
- Certified
- 2023-10-13
Frequently asked questions
- What is Nirmal Nair's NPI number?
- Nirmal Nair's National Provider Identifier (NPI) is 1336674399, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nirmal Nair's specialty?
- Nirmal Nair is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Nirmal Nair located?
- Nirmal Nair's practice location on file with NPPES is 761 45th St Ste 110, Munster, IN 46321-2899.
- What is Nirmal Nair's phone number?
- The practice phone number listed in the NPPES registry for Nirmal Nair is (219) 922-3020.
- Does Nirmal Nair accept Medicare?
- Nirmal Nair is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nirmal Nair's NPI active?
- Yes — Nirmal Nair's NPI (1336674399) is active in the NPPES registry as of the last update on 2023-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.