Santhosshi Narayanan, MD
NPI 1164678439 · Internal Medicine Physician · Houston, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Santhosshi Narayanan, MD is a Internal Medicine Physician provider in Houston, TX (NPI 1164678439).
Provider details
- NPI number
- 1164678439
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- P4491 (TX)
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
17 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
190 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) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 55 | $83 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 49 | $79 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 36 | $122 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 19 | $150 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 16 | $169 |
| Telephone Medical Discussion With Physician, 21-30 Minutes |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-08-18
- Last updated
- 2015-06-26
Frequently asked questions
- What is Santhosshi Narayanan's NPI number?
- Santhosshi Narayanan's National Provider Identifier (NPI) is 1164678439, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Santhosshi Narayanan's specialty?
- Santhosshi Narayanan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Santhosshi Narayanan located?
- Santhosshi Narayanan's practice location on file with NPPES is 1515 Holcombe Blvd, Houston, TX 77030-4009.
- What is Santhosshi Narayanan's phone number?
- The practice phone number listed in the NPPES registry for Santhosshi Narayanan is (713) 792-6161.
- Does Santhosshi Narayanan accept Medicare?
- Santhosshi Narayanan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Santhosshi Narayanan's NPI active?
- Yes — Santhosshi Narayanan's NPI (1164678439) is active in the NPPES registry as of the last update on 2015-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.