DR. PATRICK GUILLERMO MD
NPI 1174934301
Family Medicine in Houston, TX
About Dr. Patrick Guillermo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PATRICK GUILLERMO MD (NPI 1174934301) is an individual family medicine provider in Houston, Texas, licensed in Texas (R0721) and active in the NPI registry since May 2014. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2012).
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. Patrick Guillermo 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
5Medicare enrollment records show Patrick Guillermo reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77090
- Reassigned Medicare billing, Texas enrollment
- 18 clinicians in this Medicare group
Spring, TX 77386
- Reassigned Medicare billing, Texas enrollment
- 17 clinicians in this Medicare group
Cleveland, TX 77327
- Reassigned Medicare billing, Texas enrollment
- 124 clinicians in this Medicare group
Edna, TX 77957
- Reassigned Medicare billing, Texas enrollment
- 100 clinicians in this Medicare group
Electra, TX 76360
- Reassigned Medicare billing, Texas enrollment
- 155 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77090 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOUSTON, TX 77090
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 Patrick Guillermo's NPI number?
The NPI number for Patrick Guillermo is 1174934301. It was assigned to this individual provider in the NPPES registry on May 9, 2014.
Where is Patrick Guillermo located?
Patrick Guillermo practices at 837 Cypress Creek Pkwy, Houston, TX 77090. The listed phone number is (281) 453-7150.
What is Patrick Guillermo's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Patrick Guillermo enrolled in Medicare?
Yes. Patrick Guillermo 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 Patrick Guillermo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patrick Guillermo reassigns Medicare benefits to 5 organizations: Houston ER Physicians, LLC (Houston, TX), Rayford ER Group, PLLC (Spring, TX), Emergency Hospital Systems LLC (Cleveland, TX), Jackson County Hospital District (Edna, TX) and Southwest Medical Associates, Inc. (Electra, 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 Patrick Guillermo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Patrick Guillermo accept?
Health plans from Blue Cross and Blue Shield of Texas list Patrick Guillermo 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.
When was this NPI record last updated?
The NPPES record for Patrick Guillermo was last updated on October 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Patrick Guillermo, MD · NPI 1174934301
Family Medicine physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since May 9, 2014.
## Identity
- **NPI:** 1174934301 (Entity type: Individual)
- **Enumerated:** May 9, 2014
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** R0721 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 837 CYPRESS CREEK PKWY, Houston, TX 77090-3423
- **Phone:** (281) 453-7150
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Houston ER Physicians, LLC (NPI 1750044871, Houston, TX); Rayford ER Group, PLLC (NPI 1780268748, Spring, TX); Emergency Hospital Systems LLC (NPI 1992172019, Cleveland, TX); Jackson County Hospital District (NPI 1992748693, Edna, TX); Southwest Medical Associates, Inc. (NPI 1831299122, Electra, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** October 9, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1174934301) · Data from the CMS NPPES public registry.