DR. HARI PRASAD SAYANA MD
NPI 1245422419
Internal Medicine - Gastroenterology in San Antonio, TX
About Dr. Hari Prasad Sayana Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HARI PRASAD SAYANA MD (NPI 1245422419) is an individual gastroenterology provider in San Antonio, Texas, licensed in Texas (P9120) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with University Health System, and maintains a secondary practice location in Morgantown.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Hari Prasad Sayana Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Hari Sayana reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: University Of Texas Health Science Center At San Antonio
- 2,397 clinicians in this Medicare group
San Antonio, TX 78207
- Reassigned Medicare billing, Texas enrollment
- 1,129 clinicians in this Medicare group
Lakeway, TX 78738
- Reassigned Medicare billing, Texas enrollment
- 3,167 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Health System
Acute Care Hospitals · San Antonio, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78229 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Hari Sayana's NPI number?
The NPI number for Hari Sayana is 1245422419. It was assigned to this individual provider in the NPPES registry on August 13, 2007.
Where is Hari Sayana located?
Hari Sayana practices at 4502 Medical Dr, San Antonio, TX 78229. The listed phone number is (210) 450-9000.
What is Hari Sayana's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Hari Sayana enrolled in Medicare?
Yes. Hari Sayana is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Hari Sayana's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hari Sayana reassigns Medicare benefits to 3 organizations: Uthscsa Dental School (San Antonio, TX), Community Medicine Associates (San Antonio, TX) and Healthtexas Provider Network (Lakeway, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Hari Sayana's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hari Sayana accept?
Health plans from Antidote Health of TX, Blue Cross and Blue Shield of Texas, Community First, Harbor Health and Imperial Insurance Companies, Inc. and 2 other insurers list Hari Sayana as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Hari Sayana affiliated with any hospitals?
According to CMS data, Hari Sayana is affiliated with University Health System.
When was this NPI record last updated?
The NPPES record for Hari Sayana was last updated on October 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Hari Prasad Sayana, MD · NPI 1245422419
Gastroenterology physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since August 13, 2007.
## Identity
- **NPI:** 1245422419 (Entity type: Individual)
- **Enumerated:** August 13, 2007
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** P9120 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 4502 MEDICAL DR, San Antonio, TX 78229-4402
- **Phone:** (210) 450-9000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Uthscsa Dental School (NPI 1750403887, San Antonio, TX); Community Medicine Associates (NPI 1245313329, San Antonio, TX); Healthtexas Provider Network (NPI 1104714583, Lakeway, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2000
## Record status
- **NPPES last updated:** October 10, 2023
- **Other identifiers:** Medicaid 353578302 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1245422419) · Data from the CMS NPPES public registry.