DR. MARLENE L SANCHEZ MD
NPI 1629075338
Hospitalist in San Antonio, TX
About Dr. Marlene L Sanchez Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARLENE L SANCHEZ MD (NPI 1629075338) is an individual hospitalist provider in San Antonio, Texas, licensed in Texas (J4497) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical School At San Antonio (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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. Marlene L Sanchez 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
2Medicare enrollment records show Marlene Sanchez reassigns Medicare billing to 2 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
- 233 clinicians in this Medicare group
San Antonio, TX 78228
- Reassigned Medicare billing, Texas enrollment
- 762 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
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.
Physician 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
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 Marlene Sanchez's NPI number?
The NPI number for Marlene Sanchez is 1629075338. It was assigned to this individual provider in the NPPES registry on July 7, 2005.
Where is Marlene Sanchez located?
Marlene Sanchez practices at 4330 Medical Dr Ste 500, San Antonio, TX 78229. The listed phone number is (210) 576-5306.
What is Marlene Sanchez's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Marlene Sanchez enrolled in Medicare?
Yes. Marlene Sanchez 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 Marlene Sanchez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marlene Sanchez reassigns Medicare benefits to 2 organizations: Wellmed Networks, Inc. (San Antonio, TX) and Wellmed Medical Group, PA (San Antonio, 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 Marlene Sanchez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Marlene Sanchez was last updated on September 16, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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. Marlene L Sanchez, MD · NPI 1629075338
Hospitalist physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since July 7, 2005.
## Identity
- **NPI:** 1629075338 (Entity type: Individual)
- **Enumerated:** July 7, 2005
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** J4497 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 4330 MEDICAL DR, STE 500, San Antonio, TX 78229-3342
- **Phone:** (210) 576-5306 · **Fax:** (210) 694-0645
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Wellmed Networks, Inc. (NPI 1386948677, San Antonio, TX); Wellmed Medical Group, PA (NPI 1437156486, San Antonio, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical School At San Antonio, class of 1992
## Record status
- **NPPES last updated:** September 16, 2015
- **Other identifiers:** Medicare UPIN G21563; Other 350526YMVU; Other 8L8831
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Source: [NPI Profile](https://npiprofile.com/npi/1629075338) · Data from the CMS NPPES public registry.