DR. OPAL REGINA RAJ MD
NPI 1902154511
Anesthesiology in Houston, TX
About Dr. Opal Regina Raj Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. OPAL REGINA RAJ MD (NPI 1902154511) is an individual anesthesiology provider in Houston, Texas, licensed in Texas (S5743) and active in the NPI registry since August 2012. She is enrolled in Medicare PECOS, is affiliated with Houston Methodist Hospital, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
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. Opal Regina Raj 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
4Medicare enrollment records show Opal Raj reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77042
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
- 3,804 clinicians in this Medicare group
Fort Worth, TX 76109
- Reassigned Medicare billing, Texas enrollment
- 1,612 clinicians in this Medicare group
Charleston, SC 29414
- Reassigned Medicare billing, South Carolina enrollment
- Medicare enrollment name: University Medical Associates Of The Medical University Of South Carol
- 2,594 clinicians in this Medicare group
Palm Beach Gardens, FL 33410
- Reassigned Medicare billing, Florida enrollment
- 119 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 8
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Houston Methodist Hospital
Acute Care Hospitals · Houston, TXHouston Methodist Sugarland Hospital
Acute Care Hospitals · Sugar Land, TXMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOUSTON, TX 77030
HOUSTON, TX 77030
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 Opal Raj's NPI number?
The NPI number for Opal Raj is 1902154511. It was assigned to this individual provider in the NPPES registry on August 29, 2012.
Where is Opal Raj located?
Opal Raj practices at 6565 Fannin St # B452, Houston, TX 77030. The listed phone number is (713) 441-3492.
What is Opal Raj's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Opal Raj enrolled in Medicare?
Yes. Opal Raj 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 Opal Raj's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Opal Raj reassigns Medicare benefits to 4 organizations: U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX), Emergenchealth PLLC (Fort Worth, TX), University Medical Associates (Charleston, SC) and Pbg Team Anesthesia PA (Palm Beach Gardens, FL). 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 Opal Raj's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Opal Raj 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 Opal Raj 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 Opal Raj affiliated with any hospitals?
According to CMS data, Opal Raj is affiliated with Houston Methodist Hospital and Houston Methodist Sugarland Hospital.
When was this NPI record last updated?
The NPPES record for Opal Raj was last updated on May 31, 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. Opal Regina Raj, MD · NPI 1902154511
Anesthesiology physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since August 29, 2012.
## Identity
- **NPI:** 1902154511 (Entity type: Individual)
- **Enumerated:** August 29, 2012
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** S5743 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 6565 FANNIN ST # B452, Houston, TX 77030-2703
- **Phone:** (713) 441-3492
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): U. S. Anesthesia Partners Of Texas, P.A., (NPI 1548208564, Houston, TX); Emergenchealth PLLC (NPI 1467970897, Fort Worth, TX); University Medical Associates (NPI 1760413835, Charleston, SC); Pbg Team Anesthesia PA (NPI 1861623316, Palm Beach Gardens, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** May 31, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1902154511) · Data from the CMS NPPES public registry.