Ashwin Narasimhan, M.D.
NPI 1548241912 · Internal Medicine Physician · Bloomington, IN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ashwin Narasimhan, M.D. is a Internal Medicine Physician provider in Bloomington, IN (NPI 1548241912).
Provider details
- NPI number
- 1548241912
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036114755 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
6 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
764 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 | 368 | $119 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 182 | $116 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 83 | $79 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 81 | $131 |
| Critical Care, First 30-74 Minutes99291 | 50 | $212 |
Typical Medicare-allowed amounts for these services range $79–$212 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 104 | 38 |
| Atorvastatin Calcium | 63 | 26 |
| Losartan Potassium | 50 | 14 |
| Apixabanbrand: Eliquis | 41 | 12 |
| Furosemide | 41 | 16 |
| Metoprolol Succinate | 40 | 18 |
| Tamsulosin Hcl |
Practice location
Mailing address
Additional practice locations (5)
- 405 W Jackson StCarbondale, IL 62901-1462Phone: (618) 549-0721
- 201 S 14th StHerrin, IL 62948-3631Phone: (618) 942-2171
- 2 S Hospital DrMurphysboro, IL 62966-3333Phone: (618) 684-3156
- 404 10th St SwDemotte, IN 46310-9298Phone: (219) 987-6010Fax: (219) 987-4546
- 1701 Senate BlvdIndianapolis, IN 46202-1239Phone: (317) 962-8776
Registry dates
- Enumerated
- 2005-11-10
- Last updated
- 2022-07-08
- Certified
- 2022-07-08
Frequently asked questions
- What is Ashwin Narasimhan's NPI number?
- Ashwin Narasimhan's National Provider Identifier (NPI) is 1548241912, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ashwin Narasimhan's specialty?
- Ashwin Narasimhan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ashwin Narasimhan located?
- Ashwin Narasimhan's practice location on file with NPPES is 2651 E Discovery Pkwy, Bloomington, IN 47408-9059.
- What is Ashwin Narasimhan's phone number?
- The practice phone number listed in the NPPES registry for Ashwin Narasimhan is (812) 676-4102.
- Does Ashwin Narasimhan accept Medicare?
- Ashwin Narasimhan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ashwin Narasimhan's NPI active?
- Yes — Ashwin Narasimhan's NPI (1548241912) is active in the NPPES registry as of the last update on 2022-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.