Rajeev Narayan, M.D.
NPI 1093805863 · Nephrology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rajeev Narayan, M.D. is a Nephrology Physician provider in San Antonio, TX (NPI 1093805863).
Provider details
- NPI number
- 1093805863
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD-10689 (HI)
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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,347 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 391 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 118 | $120 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 87 | $125 |
| Home Dialysis Services Per Month (20 Years Or Older)90966 | 81 | $274 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 78 | $114 |
| Ultrasonic Guidance for Blood Vessel Access76937 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 76 | 16 |
| Lisinopril | 67 | 27 |
| Allopurinol | 65 | 24 |
| Losartan Potassium | 63 | 24 |
| Tramadol Hcl | 61 | 31 |
| Parenteral Amino Acid 20% No.1brand: Prosol | 52 | — |
| Furosemide | 47 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,092 across 28 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
Registry dates
- Enumerated
- 2006-10-13
- Last updated
- 2015-08-13
Frequently asked questions
- What is Rajeev Narayan's NPI number?
- Rajeev Narayan's National Provider Identifier (NPI) is 1093805863, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rajeev Narayan's specialty?
- Rajeev Narayan is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Rajeev Narayan located?
- Rajeev Narayan's practice location on file with NPPES is 102 Palo Alto Rd, San Antonio, TX 78211-3758.
- What is Rajeev Narayan's phone number?
- The practice phone number listed in the NPPES registry for Rajeev Narayan is (210) 403-0765.
- Does Rajeev Narayan accept Medicare?
- Rajeev Narayan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rajeev Narayan's NPI active?
- Yes — Rajeev Narayan's NPI (1093805863) is active in the NPPES registry as of the last update on 2015-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.