Anand Chidambaram Narayanan, MD
NPI 1215467923ActiveIndividual· Internal Medicine· Baytown, TX
Internal Medicine (MD) with Renal Specialists of Houston, PA, practicing in Baytown, Texas. In 2024 Medicare paid $117,794 for 574 patients, and Part D covered 607 of their prescriptions, 73% of them generic. Fresenius USA Marketing, Inc. reported $29.09 in payments in 2025, mostly food and beverage. Lists HCA Houston Healthcare Clear Lake and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1215467923 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 14, 2017 |
| Last updated in NPPES | Nov 1, 2022 |
| Certified by provider | Nov 1, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | T2226 | TX |
| Internal Medicine | 207R00000X | 125070683 | IL |
| Internal Medicine, Nephrology | 207RN0300X | 036151308 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 574 |
|---|---|
| Services billed | 1,202 across 21 procedure codes |
| Paid by Medicare | $117,794 |
Part D prescriptions in 2024
| Prescriptions (claims) | 607 · 1,185 30-day fills |
|---|---|
| Patients | 241 |
| Total drug cost | $166,426 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Renal Specialists of Houston, PAHouston, TX · 24 clinicians
Hospital affiliations
- HCA Houston Healthcare Clear LakeWebster, TX
- HCA Houston Healthcare SoutheastPasadena, TX
- Houston Methodist Baytown HospitalBaytown, TX
- Houston Methodist Clear Lake HospitalNassau Bay, TX
- Memorial Hermann Hospital SystemHouston, TX
Other facilities
- Crosby Dialysis FacilityDialysis facility · Crosby, TX
- Fkc Katy NorthDialysis facility · Katy, TX
Industry payments (Open Payments)
- 2025$29.09 · 1 payment from 1 company
- 2024$197.70 · 6 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fresenius USA Marketing, Inc. | $29.09 | 1 |
What the 2025 payments were for
- Food and Beverage$29.09 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 internal medicine physicians in Baytown · All internal medicine physicians in Texas