Guillermo Ramirez, MD
Family Medicine Physician · Corpus Christi, TX
Guillermo Ramirez, MD is a family medicine physician with a practice address in Corpus Christi, Texas, and NPI 1427024322, issued on Feb 28, 2006. Check the license (Texas L9861, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Guillermo Ramirez
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- L9861 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1620 S Padre Island Dr, Corpus Christi, TX 78416
- Phone
- (361) 206-0737
- Enumerated
- Feb 28, 2006
- Record last updated
- Jan 24, 2024
- Fax
- (361) 206-0738
- Medicaid ID
- 172002101 TX
- Medicare enrollment
- Enrolled (PECOS I20050111000229); 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 1620 S Padre Island Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Guillermo Ramirez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L9861Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.3 times the Medicare Part D claims of the average family medicine physician in 2024
18,940 Medicare Part D claims for 1,824 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 232 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,473 claims
- Lisinopril927 claims
- Levothyroxine Sodium836 claims
- Metformin Hcl617 claims
- Amlodipine Besylate572 claims
- Simvastatin542 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 one group practice
- Wellmed Medical Group PACorpus Christi, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Guillermo Ramirez among 11,119 family medicine physician records in Texas
Guillermo Ramirez, 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1982 · 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).
193 family medicine physician records list a practice address in Corpus Christi
They are 193 of the 5,600 NPPES records with a practice address in Corpus Christi, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Corpus Christi → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Wilbur Cleaves, MDCorpus Christi, TX 784161922039411
- William Pinkley, MDCorpus Christi, TX 784161366437113
- William Flores, MDCorpus Christi, TX 784151508838137
- George Franklin, D.O.Corpus Christi, TX 784151417967951
- Francesca Gray, DOCorpus Christi, TX 784151730827783
- Richard Guajardo, M.D.Corpus Christi, TX 784151992925663
- Janatte Kanaan, D.O.Corpus Christi, TX 784151679758056
- Roberto Ortiz-Garcia, MDCorpus Christi, TX 784151659434223
Common questions
What is Guillermo Ramirez, MD's NPI number?
Guillermo Ramirez, MD's National Provider Identifier (NPI) is 1427024322, issued on Feb 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Guillermo Ramirez, MD located?
The NPPES record lists a practice address at 1620 S Padre Island Dr, Corpus Christi, TX, 78416. Phone: (361) 206-0737. Providers update this record themselves, so call before visiting.
How can I verify Guillermo Ramirez, MD's license?
NPPES lists Texas license number L9861, 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 Guillermo Ramirez, MD prescribe under Medicare Part D?
In 2024, Guillermo Ramirez, MD had 18,940 Medicare Part D claims for 1,824 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.