Daniel Santillano, MD
Internal Medicine Physician · San Antonio, TX
Daniel Santillano, MD is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1508903899, issued on Jan 30, 2007. Check the license (Texas N0434, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Daniel Santillano
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- N0434 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1150 N Loop 1604 W # 108-402, San Antonio, TX 78248
- Phone
- (210) 558-6288
- Enumerated
- Jan 30, 2007
- Record last updated
- May 3, 2024
- Fax
- (210) 558-6289
- Medicaid IDs
- 198503801 TX
198503802 TX - Medicare enrollment
- Enrolled (PECOS I20081215000573); accepts Medicare assignment
- Medical or professional school
- Texas A & M University System, Hsc, College Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Verify Daniel Santillano in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N0434Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average internal medicine physician in 2024
476 Medicare Part D claims for 168 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 105 claims were for opioids.
Most prescribed
- Metoprolol Succinate73 claims
- Rosuvastatin Calcium54 claims
- Tramadol Hcl53 claims
- Hydrocodone-Acetaminophen40 claims
- Clopidogrel35 claims
- Amiodarone Hcl30 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.
The MIPS final score for 2023 (Medicare payment program): 37.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,876.20
17 payments; by number, the most common kind was travel and lodging; the largest payer was Merck Sharp & Dohme LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Daniel Santillano among 9,175 internal medicine physician records in Texas
Daniel Santillano, MD 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 50% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2005 · median 2004 among the 6,088 with a school on file
- Record last updated2024 · 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
- Juan Lerma, M.D.San Antonio, TX 782481669565602
- Michael Maloy, M.D.San Antonio, TX 782481326334392
- Rashid Atique, M.DSan Antonio, TX 782491386077378
- Sumeet Chavan, MDShavano Park, TX 782491942499033
- Carlos Diaz Velez, MDShavano Park, TX 782491316061377
- Fatima Hamid, MDSan Antonio, TX 782491225442387
- Richard Hannigan, MDSan Antonio, TX 782491801887047
- Kevin Helmrick, MDSan Antonio, TX 782491851279152
Common questions
What is Daniel Santillano, MD's NPI number?
Daniel Santillano, MD's National Provider Identifier (NPI) is 1508903899, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Santillano, MD located?
The NPPES record lists a practice address at 1150 N Loop 1604 W # 108-402, San Antonio, TX, 78248. Phone: (210) 558-6288. Providers update this record themselves, so call before visiting.
How can I verify Daniel Santillano, MD's license?
NPPES lists Texas license number N0434, 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 Daniel Santillano, MD prescribe under Medicare Part D?
In 2024, Daniel Santillano, MD had 476 Medicare Part D claims for 168 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Daniel Santillano, MD's MIPS final score?
The 2023 MIPS final score is 37.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.