JEMEMA RAJAN MD
NPI 1245867472
Internal Medicine in San Antonio, TX
About Jemema Rajan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JEMEMA RAJAN MD (NPI 1245867472) is an individual internal medicine provider in San Antonio, Texas, licensed in New Jersey (25MA12755500) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Robert Wood Johnson University Hospital, and maintains a secondary practice location in Laredo.
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
Jemema Rajan 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
6Medicare enrollment records show Jemema Rajan reassigns Medicare billing to 6 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
- 2,397 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 83 clinicians in this Medicare group
Cedar Park, TX 78613
- Reassigned Medicare billing, Texas enrollment
- 828 clinicians in this Medicare group
Somerset, NJ 08873
- Reassigned Medicare billing, New Jersey enrollment
- 125 clinicians in this Medicare group
Somerset, NJ 08873
- Reassigned Medicare billing, New Jersey enrollment
- 1,557 clinicians in this Medicare group
Livingston, NJ 07039
- Reassigned Medicare billing, New Jersey enrollment
- 1,913 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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Robert Wood Johnson University Hospital
Acute Care Hospitals · New Brunswick, NJRobert Wood Johnson University Hospital - Somerset
Acute Care Hospitals · Somerville, NJRobert Wood Johnson University Hospital At Hamilton
Acute Care Hospitals · Hamilton, NJBaptist Medical Center
Acute Care Hospitals · San Antonio, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78207 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 78207
SAN ANTONIO, TX 78207
SAN ANTONIO, TX 78207
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 Jemema Rajan's NPI number?
The NPI number for Jemema Rajan is 1245867472. It was assigned to this individual provider in the NPPES registry on March 26, 2020.
Where is Jemema Rajan located?
Jemema Rajan practices at 701 S Zarzamora St, San Antonio, TX 78207. The listed phone number is (210) 358-7500.
What is Jemema Rajan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Jemema Rajan enrolled in Medicare?
Yes. Jemema Rajan 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 Jemema Rajan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jemema Rajan reassigns Medicare benefits to 6 organizations: University Of Texas Health Science Center At San Antonio (San Antonio, TX), Bexar Physician Services, PLLC (San Antonio, TX), Usacs Integrated Acute Care Services Of Texas, PLLC (Cedar Park, TX), Rutgers Health-Rwj Primary Medicine Group (Somerset, NJ), Rwjbh Emergency Medicine Associates, LLC (Somerset, NJ) and 1 more organization, listed in the Medicare section above. 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 Jemema Rajan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jemema Rajan accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and Oscar Health and 2 other insurers list Jemema Rajan 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 Jemema Rajan affiliated with any hospitals?
According to CMS data, Jemema Rajan is affiliated with Robert Wood Johnson University Hospital, Robert Wood Johnson University Hospital - Somerset, Robert Wood Johnson University Hospital At Hamilton and Baptist Medical Center.
When was this NPI record last updated?
The NPPES record for Jemema Rajan was last updated on September 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Jemema Rajan, MD · NPI 1245867472
Internal Medicine physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since March 26, 2020.
## Identity
- **NPI:** 1245867472 (Entity type: Individual)
- **Enumerated:** March 26, 2020
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 25MA12755500 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 701 S ZARZAMORA ST, San Antonio, TX 78207-5209
- **Phone:** (210) 358-7500
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): University Of Texas Health Science Center At San Antonio (NPI 1396717989, San Antonio, TX); Bexar Physician Services, PLLC (NPI 1730960998, San Antonio, TX); Usacs Integrated Acute Care Services Of Texas, PLLC (NPI 1801300322, Cedar Park, TX); Rutgers Health-Rwj Primary Medicine Group (NPI 1497867410, Somerset, NJ); Rwjbh Emergency Medicine Associates, LLC (NPI 1912510041, Somerset, NJ); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** September 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1245867472) · Data from the CMS NPPES public registry.