NPPES file of Aug 9, 2026

Aswini Rajan, M.D.

Internal Medicine Physician · Cedar Park, TX

Aswini Rajan, M.D. is an internal medicine physician with a practice address in Cedar Park, Texas, and NPI 1386185536, issued on Mar 20, 2017. Check the license (Texas S5475, 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
1386185536
Name
Aswini Rajan
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
S5475 TX
Self-reported in NPPES; status is on the state search
Practice location
801 E Whitestone Blvd, Cedar Park, TX 78613
Phone
(512) 259-3467
Enumerated
Mar 20, 2017
Record last updated
May 7, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(512) 406-7303
Medicare enrollment
Enrolled (PECOS I20200831001679); accepts Medicare assignment
Medical or professional school
University Of Arkansas College Of Medicine, 2017
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.
Download card Updates feed

Also registered at 801 E Whitestone Blvd

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

  1. Harrel Butler, MDFamily Medicine Physician1174539456
  2. Alison Caviness, MDPediatrics Physician1932289360
  3. Arthur Cheng, M.D.Pediatrics Physician1669472866
  4. Meghana Dandekar, MDFamily Medicine Physician1932127834
  5. Franchesca Estrada, MDPediatrics Physician1497769020
  6. Sarah Ferrero, MDFamily Medicine Physician1376989327

Verify Aswini Rajan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license S5475
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

57% more Medicare Part D claims than the average internal medicine physician in 2024

4,991 Medicare Part D claims for 547 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 46 claims were for opioids.

  1. Aswini Rajan4,991
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium366 claims
  2. Atorvastatin Calcium359 claims
  3. Amlodipine Besylate221 claims
  4. Lisinopril183 claims
  5. Losartan Potassium154 claims
  6. Rosuvastatin Calcium152 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 2 group practices

  1. Austin Regional Clinic PACedar Park, TX
  2. Legacy Healthcare Services IncCedar Park, TX

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

Aswini Rajan among 9,175 internal medicine physician records in Texas

Aswini Rajan, 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 2017, is newer than 77% of them.

  • NPI issued2017 · 77% of these records are older, 21% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2017 · median 2004 among the 6,088 with a school on file
  • Record last updated2021 · 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).

32 internal medicine physician records list a practice address in Cedar Park

They are 32 of the 1,650 NPPES records with a practice address in Cedar Park, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Nikhil Agarwal, M.D.Cedar Park, TX 786131124173513
  2. Hanzy Bustamante, MDCedar Park, TX 786131508828641
  3. Mark Carlson, MDCedar Park, TX 786131023008398
  4. Susan Khan, MDCedar Park, TX 786131780764894
  5. Melissa Miller, MDCedar Park, TX 786131659312866
  6. Sabiha Mondal, M.DCedar Park, TX 786131578677829
  7. Aparna Mukkamala, MDCedar Park, TX 786131164643953
  8. Manish Naik, MDCedar Park, TX 786131184630436

Common questions

What is Aswini Rajan, M.D.'s NPI number?

Aswini Rajan, M.D.'s National Provider Identifier (NPI) is 1386185536, issued on Mar 20, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Aswini Rajan, M.D. located?

The NPPES record lists a practice address at 801 E Whitestone Blvd, Cedar Park, TX, 78613. Phone: (512) 259-3467. Providers update this record themselves, so call before visiting.

How can I verify Aswini Rajan, M.D.'s license?

NPPES lists Texas license number S5475, 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 Aswini Rajan, M.D. prescribe under Medicare Part D?

In 2024, Aswini Rajan, M.D. had 4,991 Medicare Part D claims for 547 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.