DR. NAVNEET K GREWAL MD
NPI 1508928573
Anesthesiology - Critical Care Medicine in Houston, TX
About Dr. Navneet K Grewal Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NAVNEET K GREWAL MD (NPI 1508928573) is an individual critical care medicine provider in Houston, Texas, licensed in Texas (Q5658) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS, is affiliated with Houston Methodist Hospital, and is a graduate of Other (1996).
NPPES Registry Identity
Specialties & Licenses 2
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. Navneet K Grewal 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 Navneet Grewal reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,407 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,675 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 1,579 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.
Houston Methodist Hospital
Acute Care Hospitals · Houston, 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 20
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 Navneet Grewal's NPI number?
The NPI number for Navneet Grewal is 1508928573. It was assigned to this individual provider in the NPPES registry on December 15, 2006.
Where is Navneet Grewal located?
Navneet Grewal practices at 6565 Fannin St Ste B452, Houston, TX 77030. The listed phone number is (713) 441-3620.
What is Navneet Grewal's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Critical Care Medicine, with taxonomy code 207LC0200X.
Is Navneet Grewal enrolled in Medicare?
Yes. Navneet Grewal 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 Navneet Grewal's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Navneet Grewal reassigns Medicare benefits to 3 organizations: Tmh Physician Associates PLLC (Houston, TX), Physicians Referral Service (Houston, TX) and Houston Methodist Specialty Physicians (Houston, 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 Navneet Grewal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Navneet Grewal affiliated with any hospitals?
According to CMS data, Navneet Grewal is affiliated with Houston Methodist Hospital.
When was this NPI record last updated?
The NPPES record for Navneet Grewal was last updated on June 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Navneet K Grewal, MD · NPI 1508928573
Critical Care Medicine physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since December 15, 2006.
## Identity
- **NPI:** 1508928573 (Entity type: Individual)
- **Enumerated:** December 15, 2006
- **Primary specialty:** Anesthesiology - Critical Care Medicine · taxonomy 207LC0200X
- **State license:** Q5658 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 6565 FANNIN ST STE B452, Houston, TX 77030-2703
- **Phone:** (713) 441-3620 · **Fax:** (713) 790-2082
## 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): Tmh Physician Associates PLLC (NPI 1275779225, Houston, TX); Physicians Referral Service (NPI 1073574810, Houston, TX); Houston Methodist Specialty Physicians (NPI 1902614332, Houston, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1996
## Record status
- **NPPES last updated:** June 24, 2026
- **Other identifiers:** Other 8FR610 (TX); Other P01750992 (TX); Medicaid 351373103 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1508928573) · Data from the CMS NPPES public registry.