Ramon Colen, M.D.
Internal Medicine Physician · San Antonio, TX
Ramon Colen, M.D. is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1811963697, issued on Feb 23, 2006. Check the license (Texas L9151, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ramon Colen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- L9151 TX
Self-reported in NPPES; status is on the state search - Practice location
- 911 Castroville RD, San Antonio, TX 78237
- Phone
- (210) 436-7402
- Enumerated
- Feb 23, 2006
- Record last updated
- Jul 21, 2022
- Fax
- (210) 436-7398
- Medicare enrollment
- Enrolled (PECOS I20041005001269); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 911 Castroville RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Max Cruz, MDInternal Medicine Physician1235713736
- Lisa Reyna, PA-CMedical Physician Assistant1841517034
- Anita Rodriguez, FNPRegistered Nurse1467183871
- Jessica Vergara, FNPFamily Nurse Practitioner1629576020
Verify Ramon Colen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L9151Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average internal medicine physician in 2024
261 Medicare Part D claims for 142 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Atorvastatin Calcium20 claims
- Lisinopril15 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.
Ramon Colen among 9,175 internal medicine physician records in Texas
Ramon Colen, M.D. is one of 9,175 internal 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 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2001 · median 2004 among the 6,088 with a school on file
- Record last updated2022 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
657 internal medicine physician records list a practice address in San Antonio
They are 657 of the 37,749 NPPES records with a practice address in San Antonio, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in San Antonio → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Majin Castillo, MDSan Antonio, TX 782371104874080
- Max Cruz, MDSan Antonio, TX 782371235713736
- Michelina Ippoliti, MDSan Antonio, TX 782371497240295
- Ibiyinka Ladapo, MDSan Antonio, TX 782371699338673
- Akshay Nathawat, MDSan Antonio, TX 782371194220293
- Jesus Virlar-Cadena, MDSan Antonio, TX 782371023115292
- Robert Buntyn, DOLackland A F B, TX 782361255077186
- Miles Campbell, DOJbsa Lackland, TX 782361437770567
Common questions
What is Ramon Colen, M.D.'s NPI number?
Ramon Colen, M.D.'s National Provider Identifier (NPI) is 1811963697, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ramon Colen, M.D. located?
The NPPES record lists a practice address at 911 Castroville RD, San Antonio, TX, 78237. Phone: (210) 436-7402. Providers update this record themselves, so call before visiting.
How can I verify Ramon Colen, M.D.'s license?
NPPES lists Texas license number L9151, 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 Ramon Colen, M.D. prescribe under Medicare Part D?
In 2024, Ramon Colen, M.D. had 261 Medicare Part D claims for 142 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.