RATNA MELANIE MALKAN DO
NPI 1891372470
Emergency Medicine in San Antonio, TX
About Ratna Melanie Malkan Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RATNA MELANIE MALKAN DO (NPI 1891372470) is an individual emergency medicine provider in San Antonio, Texas, licensed in Texas (U3934) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with University Health System, and maintains a secondary practice location in San Antonio.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Ratna Melanie Malkan Do 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 Ratna Malkan 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
Lubbock, TX 79401
- Reassigned Medicare billing, Texas enrollment
- 1,338 clinicians in this Medicare group
Lubbock, TX 79401
- Reassigned Medicare billing, Texas enrollment
- 1,439 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 2
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 Ratna Malkan's NPI number?
The NPI number for Ratna Malkan is 1891372470. It was assigned to this individual provider in the NPPES registry on March 28, 2021.
Where is Ratna Malkan located?
Ratna Malkan practices at 4502 Medical Dr, San Antonio, TX 78229. The listed phone number is (210) 743-0019.
What is Ratna Malkan's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Ratna Malkan enrolled in Medicare?
Yes. Ratna Malkan 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 Ratna Malkan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ratna Malkan reassigns Medicare benefits to 3 organizations: Uthscsa Dental School (San Antonio, TX), Concord Medical Group PLLC (Lubbock, TX) and Concord Medical Group Of Texas PLLC (Lubbock, 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 Ratna Malkan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ratna Malkan accept?
Health plans from Blue Cross and Blue Shield of Texas and Imperial Insurance Companies, Inc. list Ratna Malkan 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 Ratna Malkan affiliated with any hospitals?
According to CMS data, Ratna Malkan is affiliated with University Health System.
When was this NPI record last updated?
The NPPES record for Ratna Malkan was last updated on January 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.
# Ratna Melanie Malkan, DO · NPI 1891372470
Emergency Medicine physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since March 28, 2021.
## Identity
- **NPI:** 1891372470 (Entity type: Individual)
- **Enumerated:** March 28, 2021
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** U3934 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 4502 MEDICAL DR, San Antonio, TX 78229-4402
- **Phone:** (210) 743-0019
## 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); Concord Medical Group PLLC (NPI 1083630610, Lubbock, TX); Concord Medical Group Of Texas PLLC (NPI 1750790762, Lubbock, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** January 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1891372470) · Data from the CMS NPPES public registry.