NPPES file of Aug 9, 2026

Ambili Ramachandran, M.D.

Internal Medicine Physician · San Antonio, TX

Ambili Ramachandran, M.D. is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1467696047, issued on Apr 27, 2009. Check the license (Texas R2205, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1467696047
Name
Ambili Ramachandran
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
R2205 TX
252901 MA
Self-reported in NPPES; status is on the state search
Practice location
903 W Martin St, San Antonio, TX 78207
Phone
(210) 358-3555
Enumerated
Apr 27, 2009
Record last updated
May 8, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicaid IDs
368598401 TX
110099785A MA
Medicare enrollment
Enrolled (PECOS I20170324000170); accepts Medicare assignment
Medical or professional school
Baylor College Of Medicine, 2009
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 903 W Martin St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rana AbdelwahabStudent in an Organized Health Care Education/Training Program1194668525
  2. Sandra Adams, MDPulmonary Disease Physician1669483186
  3. Leticia Aguilar, MDFamily Medicine Physician1760451009
  4. Zuha AlamStudent in an Organized Health Care Education/Training Program1932995669
  5. Samantha Alvarado, MDObstetrics Physician1932894862
  6. Daniel Amram, MDStudent in an Organized Health Care Education/Training Program1265236822

Verify Ambili Ramachandran in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license R2205
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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63% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,169 Medicare Part D claims for 217 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 21 claims were for opioids.

  1. Ambili Ramachandran1,169
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium88 claims
  2. Amlodipine Besylate54 claims
  3. Gabapentin45 claims
  4. Pregabalin37 claims
  5. Montelukast Sodium35 claims
  6. Lisinopril34 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

  1. University OF Texas Health Science Center AT San AntonioSan Antonio, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ambili Ramachandran among 9,175 internal medicine physician records in Texas

Ambili Ramachandran, 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 2009, is newer than 54% of them.

  • NPI issued2009 · 54% of these records are older, 42% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2009 · median 2004 among the 6,088 with a school on file
  • Record last updated2017 · 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Delia Bullock, M.D.San Antonio, TX 782071598748097
  2. Annie Chacko, MDSan Antonio, TX 782071598878787
  3. Jorge Estrada, M.D.San Antonio, TX 782071346274495
  4. Ernesto Garza, M.D.San Antonio, TX 782071376685115
  5. Sarah Lapey, MDSan Antonio, TX 782071619084787
  6. David Montemayor, M.D.San Antonio, TX 782071255343042
  7. Nasser Nakissa, MDSan Antonio, TX 782071689774010
  8. Samuel Rivera, M.D.San Antonio, TX 782071124164892

Common questions

What is Ambili Ramachandran, M.D.'s NPI number?

Ambili Ramachandran, M.D.'s National Provider Identifier (NPI) is 1467696047, issued on Apr 27, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Ambili Ramachandran, M.D. located?

The NPPES record lists a practice address at 903 W Martin St, San Antonio, TX, 78207. Phone: (210) 358-3555. Providers update this record themselves, so call before visiting.

How can I verify Ambili Ramachandran, M.D.'s license?

NPPES lists Texas license number R2205, 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 Ambili Ramachandran, M.D. prescribe under Medicare Part D?

In 2024, Ambili Ramachandran, M.D. had 1,169 Medicare Part D claims for 217 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.