PHILLIP C SIMPSON MD
NPI 1699356345
Family Medicine in Shenandoah, TX
About Phillip C Simpson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PHILLIP C SIMPSON MD (NPI 1699356345) is an individual family medicine provider in Shenandoah, Texas, licensed in Texas (V0170) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Willowbrook Hospital, and is a graduate of Texas Tech University Health Science Center School Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses
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
Phillip C Simpson 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 Reassignment
Medicare enrollment records show Phillip Simpson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,407 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.
Houston Methodist Willowbrook Hospital
Acute Care Hospitals · Houston, TXHouston Methodist The Woodlands Hospital
Acute Care Hospitals · The Woodlands, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77385 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
THE WOODLANDS, TX 77385
SHENANDOAH, TX 77385
SHENANDOAH, TX 77385
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 Phillip Simpson's NPI number?
The NPI number for Phillip Simpson is 1699356345. It was assigned to this individual provider in the NPPES registry on April 15, 2021.
Where is Phillip Simpson located?
Phillip Simpson practices at 17183 Interstate 45 S, Shenandoah, TX 77385. The listed phone number is (936) 270-4600.
What is Phillip Simpson's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Phillip Simpson enrolled in Medicare?
Yes. Phillip Simpson 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 organization bills Medicare for Phillip Simpson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Phillip Simpson reassigns Medicare benefits to Tmh Physician Associates PLLC (Houston, TX). The 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 Phillip Simpson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Phillip Simpson affiliated with any hospitals?
According to CMS data, Phillip Simpson is affiliated with Houston Methodist Willowbrook Hospital and Houston Methodist The Woodlands Hospital.
When was this NPI record last updated?
The NPPES record for Phillip Simpson was last updated on July 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Phillip C Simpson, MD · NPI 1699356345
Family Medicine physician in Shenandoah, Texas. Individual provider, active in the CMS NPPES registry since April 15, 2021.
## Identity
- **NPI:** 1699356345 (Entity type: Individual)
- **Enumerated:** April 15, 2021
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** V0170 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 17183 INTERSTATE 45 S, Shenandoah, TX 77385-3312
- **Phone:** (936) 270-4600
## 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:** Tmh Physician Associates PLLC (NPI 1275779225, Houston, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Texas Tech University Health Science Center School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** July 22, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1699356345) · Data from the CMS NPPES public registry.