DR. GRANT PATRICK REDROW M.D.
NPI 1316293152
Urology in Webster, TX
About Dr. Grant Patrick Redrow M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GRANT PATRICK REDROW M.D. (NPI 1316293152) is an individual urology provider in Webster, Texas, licensed in Texas (R7095) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Hospital System, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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. Grant Patrick Redrow M.d. 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 Grant Redrow reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77004
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: John E. Bertini, Jr., MD, PA
- 5 clinicians in this Medicare group
Houston, TX 77074
- Reassigned Medicare billing, Texas enrollment
- 46 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 7
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hermann Hospital System
Acute Care Hospitals · Houston, TXHouston Methodist Baytown Hospital
Acute Care Hospitals · Baytown, TXHouston Methodist Clear Lake Hospital
Acute Care Hospitals · Nassau Bay, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77598 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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.
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 Grant Redrow's NPI number?
The NPI number for Grant Redrow is 1316293152. It was assigned to this individual provider in the NPPES registry on July 30, 2012.
Where is Grant Redrow located?
Grant Redrow practices at 512 E Nasa Pkwy Ste G, Webster, TX 77598. The listed phone number is (281) 957-9658.
What is Grant Redrow's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Grant Redrow enrolled in Medicare?
Yes. Grant Redrow 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 Grant Redrow's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grant Redrow reassigns Medicare benefits to 2 organizations: Gulf Coast Urology P.A. (Houston, TX) and Houston Metro Urology (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 Grant Redrow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Grant Redrow accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 6 other insurers list Grant Redrow 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 Grant Redrow affiliated with any hospitals?
According to CMS data, Grant Redrow is affiliated with Memorial Hermann Hospital System, Houston Methodist Baytown Hospital and Houston Methodist Clear Lake Hospital.
When was this NPI record last updated?
The NPPES record for Grant Redrow was last updated on June 22, 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. Grant Patrick Redrow, M.D. · NPI 1316293152
Urology physician in Webster, Texas. Individual provider, active in the CMS NPPES registry since July 30, 2012.
## Identity
- **NPI:** 1316293152 (Entity type: Individual)
- **Enumerated:** July 30, 2012
- **Primary specialty:** Urology · taxonomy 208800000X
- **State license:** R7095 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 512 E NASA PKWY STE G, Webster, TX 77598-5317
- **Phone:** (281) 957-9658 · **Fax:** (713) 751-1633
## 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): Gulf Coast Urology P.A. (NPI 1356435267, Houston, TX); Houston Metro Urology (NPI 1245281922, Houston, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical School At San Antonio, class of 2012
## Record status
- **NPPES last updated:** June 22, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1316293152) · Data from the CMS NPPES public registry.