Subramaniyam Rajan, M.D.
Critical Care Medicine (Internal Medicine) Physician · Austin, TX
Subramaniyam Rajan, M.D. is a critical care medicine (internal medicine) physician with a practice address in Austin, Texas, and NPI 1922324813, issued on Apr 16, 2010. Check the license (Texas Q1482, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Subramaniyam Rajan
- Credential
- M.D.
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- Q1482 TX
Self-reported in NPPES; status is on the state search - Practice location
- 5920 W William Cannon Dr Ste 150, Austin, TX 78749
- Phone
- (512) 977-0123
- Enumerated
- Apr 16, 2010
- Record last updated
- Jul 25, 2022
- Fax
- (512) 977-0126
- Medicare enrollment
- Enrolled (PECOS I20170906001278); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 413 in Texas → Look up another NPI →
Also registered at 5920 W William Cannon Dr Ste 150
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melani Dayal, ACNS-BCAdult Health Clinical Nurse Specialist1659687416
- Mitchell GutierrezRegistered Nurse1023567666
- Pranay Korpole, M.D.Pulmonary Disease Physician1538553433
- Sapan Patel, MDCritical Care Medicine (Internal Medicine) Physician1295075661
- Usha Rao, M.D.Critical Care Medicine (Internal Medicine) Physician1952627010
- Mladen Sokolovic, M.D.Internal Medicine Physician1255588208
Verify Subramaniyam Rajan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q1482Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average critical care medicine (internal medicine) physician in 2024
1,412 Medicare Part D claims for 289 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of claims.
Most prescribed
- Albuterol Sulfate Hfa275 claims
- Trelegy Ellipta202 claims
- Prednisone121 claims
- Azithromycin76 claims
- Spiriva Respimat73 claims
- Stiolto Respimat53 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 practice group's MIPS final score for 2023 (Medicare payment program): 80.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $45,041.63
64 payments; by number, the most common kind was travel and lodging; the largest payer was Intuitive Surgical, Inc. The 2,708 providers of this specialty with any payment received $2,958.68 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.
Bills Medicare through 2 group practices
- Austin Pulmonary Consultants PAAustin, TX
- Cogent Healthcare OF Texas PAAustin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Subramaniyam Rajan among 413 critical care medicine (internal medicine) physician records in Texas
Subramaniyam Rajan, M.D. is one of 413 critical care medicine (internal medicine) physician records with a practice address in Texas. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 53% of them.
- NPI issued2010 · 53% of these records are older, 43% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated2010 · median 2007 among the 346 with a school on file
- Record last updated2022 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Texas
There are 413 critical care medicine (internal medicine) physician records in Texas.
All 413 in Texas → Every provider in Austin → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- William Bartek, M.DAustin, TX 787491598722522
- Sean Gilbey, MDAustin, TX 787491184628828
- Sireesha Gogineni, M.DAustin, TX 787491801974423
- Sapan Patel, MDAustin, TX 787491295075661
- Usha Rao, M.D.Austin, TX 787491952627010
- Michael Warner, MDAustin, TX 787491801112826
- Jon Belsher, M.D.Austin, TX 787461801810080
- Matthew Anderson, MDAustin, TX 787271023221959
Common questions
What is Subramaniyam Rajan, M.D.'s NPI number?
Subramaniyam Rajan, M.D.'s National Provider Identifier (NPI) is 1922324813, issued on Apr 16, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Subramaniyam Rajan, M.D. located?
The NPPES record lists a practice address at 5920 W William Cannon Dr Ste 150, Austin, TX, 78749. Phone: (512) 977-0123. Providers update this record themselves, so call before visiting.
How can I verify Subramaniyam Rajan, M.D.'s license?
NPPES lists Texas license number Q1482, 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 Subramaniyam Rajan, M.D. prescribe under Medicare Part D?
In 2024, Subramaniyam Rajan, M.D. had 1,412 Medicare Part D claims for 289 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.
What is Subramaniyam Rajan, M.D.'s MIPS final score?
The 2023 MIPS final score is 80.8 of 100, reported for the practice group. 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.