OSCAR ALEJANDRO OLAVARRIA MD
NPI 1972957942
Surgery in Bellaire, TX
About Oscar Alejandro Olavarria Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OSCAR ALEJANDRO OLAVARRIA MD (NPI 1972957942) is an individual surgery provider in Bellaire, Texas, licensed in Texas (R9411) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann - Texas Medical Center, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 4
Group Practice 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
Oscar Alejandro Olavarria 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 Oscar Olavarria reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77096
- Reassigned Medicare billing, Texas enrollment
- 379 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 3,111 clinicians in this Medicare group
Pearland, TX 77581
- Reassigned Medicare billing, Texas enrollment
- 301 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hermann - Texas Medical Center
Acute Care Hospitals · Houston, TXMemorial Hermann Hospital System
Acute Care Hospitals · Houston, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77401 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BELLAIRE, TX 77401
BELLAIRE, TX 77401
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 Oscar Olavarria's NPI number?
The NPI number for Oscar Olavarria is 1972957942. It was assigned to this individual provider in the NPPES registry on April 15, 2016.
Where is Oscar Olavarria located?
Oscar Olavarria practices at 6500 West Loop S Ste 200E, Bellaire, TX 77401. The listed phone number is (713) 500-7277.
What is Oscar Olavarria's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Oscar Olavarria enrolled in Medicare?
Yes. Oscar Olavarria 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 Oscar Olavarria's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Oscar Olavarria reassigns Medicare benefits to 3 organizations: Nluc PLLC (Houston, TX), Ut Physicians (Houston, TX) and Next Level Mv LLC (Pearland, 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 Oscar Olavarria's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Oscar Olavarria accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Oscar Olavarria 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 Oscar Olavarria affiliated with any hospitals?
According to CMS data, Oscar Olavarria is affiliated with Memorial Hermann - Texas Medical Center and Memorial Hermann Hospital System.
When was this NPI record last updated?
The NPPES record for Oscar Olavarria was last updated on May 3, 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.
# Oscar Alejandro Olavarria, MD · NPI 1972957942
Surgery physician in Bellaire, Texas. Individual provider, active in the CMS NPPES registry since April 15, 2016.
## Identity
- **NPI:** 1972957942 (Entity type: Individual)
- **Enumerated:** April 15, 2016
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** R9411 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 6500 WEST LOOP S STE 200E, Bellaire, TX 77401-3535
- **Phone:** (713) 500-7277
## 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): Nluc PLLC (NPI 1528495694, Houston, TX); Ut Physicians (NPI 1033157821, Houston, TX); Next Level Mv LLC (NPI 1013432285, Pearland, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** May 3, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1972957942) · Data from the CMS NPPES public registry.