Patrick Guillermo, MD
Family Medicine Physician · Houston, TX
Patrick Guillermo, MD is a family medicine physician with a practice address in Houston, Texas, and NPI 1174934301, issued on May 9, 2014. Check the license (Texas R0721, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Patrick Guillermo
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- R0721 TX
Self-reported in NPPES; status is on the state search - Practice location
- 837 Cypress Creek Pkwy, Houston, TX 77090
- Phone
- (281) 453-7150
- Enumerated
- May 9, 2014
- Record last updated
- Oct 9, 2024
- Medicare enrollment
- Enrolled (PECOS I20171220002506); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 837 Cypress Creek Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Srijaya Bandi, M.D.Family Medicine Physician1295907525
- Mercy Grace Castro Becker, LPTPhysical Therapist1477832145
- Victor Escobar, M.D.Family Medicine Physician1184983496
- Michele Gocuay, M.D.Internal Medicine Physician1144401027
- Misty Haltom, FNP-CFamily Nurse Practitioner1508483397
Verify Patrick Guillermo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R0721Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family medicine physician in 2024
143 Medicare Part D claims for 83 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Houston ER Physicians, LLCHouston, TX
- Rayford ER Group PLLCSpring, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patrick Guillermo among 11,119 family medicine physician records in Texas
Patrick Guillermo, MD is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 73% of them.
- NPI issued2014 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2012 · median 2004 among the 7,095 with a school on file
- Record last updated2024 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,123 family medicine physician records list a practice address in Houston
They are 1,123 of the 61,221 NPPES records with a practice address in Houston, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Houston → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jose Aguirre, M.D.Houston, TX 770901205086311
- Srijaya Bandi, M.D.Houston, TX 770901295907525
- Victor Escobar, M.D.Houston, TX 770901184983496
- Lacrecia Foster, DOHouston, TX 770901811959281
- Rishi Hingorani, DOHouston, TX 770901063511608
- Suresh Moonat, MDHouston, TX 770901982688768
- Saurabh Moonat, D.O.Houston, TX 770901366618399
- Joel Nachimson, M.D.Houston, TX 770901922040633
Common questions
What is Patrick Guillermo, MD's NPI number?
Patrick Guillermo, MD's National Provider Identifier (NPI) is 1174934301, issued on May 9, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Patrick Guillermo, MD located?
The NPPES record lists a practice address at 837 Cypress Creek Pkwy, Houston, TX, 77090. Phone: (281) 453-7150. Providers update this record themselves, so call before visiting.
How can I verify Patrick Guillermo, MD's license?
NPPES lists Texas license number R0721, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Patrick Guillermo, MD prescribe under Medicare Part D?
In 2024, Patrick Guillermo, MD had 143 Medicare Part D claims for 83 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.