Prasanna Nair, M.D.
NPI 1538381355 · Internal Medicine Physician · Niles, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Prasanna Nair, M.D. is a Internal Medicine Physician provider in Niles, IL (NPI 1538381355).
Provider details
- NPI number
- 1538381355
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036-091976 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
579 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 143 | $73 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 117 | $102 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 112 | $133 |
| 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 | 107 | $17 |
| Advance Care Planning, First 30 Minutes99497 | 59 | $77 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 381 | 100 |
| Atorvastatin Calcium | 301 | 105 |
| Rosuvastatin Calcium | 222 | 71 |
| Losartan Potassium | 213 | 61 |
| Metformin Hcl | 201 | 60 |
| Levothyroxine Sodium | 189 | 58 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-02
- Last updated
- 2021-04-01
- Certified
- 2021-04-01
Frequently asked questions
- What is Prasanna Nair's NPI number?
- Prasanna Nair's National Provider Identifier (NPI) is 1538381355, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Prasanna Nair's specialty?
- Prasanna Nair is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Prasanna Nair located?
- Prasanna Nair's practice location on file with NPPES is 6450 W. Touhy Ave., Niles, IL 60714.
- What is Prasanna Nair's phone number?
- The practice phone number listed in the NPPES registry for Prasanna Nair is (847) 583-1000.
- Does Prasanna Nair accept Medicare?
- Prasanna Nair is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Prasanna Nair's NPI active?
- Yes — Prasanna Nair's NPI (1538381355) is active in the NPPES registry as of the last update on 2021-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.