Alan Jacob Merin, MD
Nephrology Physician · San Antonio, TX
Alan Jacob Merin, MD is a nephrology physician with a practice address in San Antonio, Texas, and NPI 1366440547, issued on Jul 12, 2005. Check the license (Texas F6041, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Alan Jacob Merin
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- F6041 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1211 E Commerce St, San Antonio, TX 78205
- Phone
- (210) 224-1079
- Enumerated
- Jul 12, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (210) 281-0248
- Medicare enrollment
- Enrolled (PECOS I20110425000846); accepts Medicare assignment
- Medical or professional school
- Virginia Commonwealth University, School Of Medicine, 1976
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,159 in Texas → Look up another NPI →
Verify Alan Jacob Merin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license F6041Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average nephrology physician in 2024
4,255 Medicare Part D claims for 179 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims. 30 claims were for opioids.
Most prescribed
- Jardiance275 claims
- Atorvastatin Calcium254 claims
- Losartan Potassium227 claims
- Rosuvastatin Calcium143 claims
- Mounjaro141 claims
- Carvedilol140 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.
Industry payments in 2024: $791.89
52 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Alan Jacob Merin among 1,159 nephrology physician records in Texas
Alan Jacob Merin, MD is one of 1,159 nephrology physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated1976 · median 2001 among the 954 with a school on file
- Record last updated2026 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Texas
There are 1,159 nephrology physician records in Texas.
All 1,159 in Texas → Every provider in San Antonio → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Denise Hart, M.D.San Antonio, TX 782051558319517
- Robert Szewc, MDSan Antonio, TX 782041992759476
- Varshasb Broumand, M.D.San Antonio, TX 782071154329720
- Timoteo Cabrera, MDSan Antonio, TX 782071144295064
- Claudia Hura, M.D.San Antonio, TX 782071023092657
- Deandra Martin, MDSan Antonio, TX 782071730155516
- Mohammad Mizani, M.D.San Antonio, TX 782071497757660
- Tareq Issa Nassar, MDSan Antonio, TX 782071457630790
Common questions
What is Alan Jacob Merin, MD's NPI number?
Alan Jacob Merin, MD's National Provider Identifier (NPI) is 1366440547, issued on Jul 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Alan Jacob Merin, MD located?
The NPPES record lists a practice address at 1211 E Commerce St, San Antonio, TX, 78205. Phone: (210) 224-1079. Providers update this record themselves, so call before visiting.
How can I verify Alan Jacob Merin, MD's license?
NPPES lists Texas license number F6041, 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 Alan Jacob Merin, MD prescribe under Medicare Part D?
In 2024, Alan Jacob Merin, MD had 4,255 Medicare Part D claims for 179 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.