Rajinder Kaur Trewn, MD
Internal Medicine Physician · Sacramento, CA
Rajinder Kaur Trewn, MD is an internal medicine physician with a practice address in Sacramento, California, and NPI 1649246448, issued on Feb 23, 2006. Check the license (California A48178, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rajinder Kaur Trewn
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A48178 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4400 Duckhorn Dr Ste 100, Sacramento, CA 95834
- Phone
- (916) 575-8000
- Enumerated
- Feb 23, 2006
- Record last updated
- Apr 15, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (916) 575-8099
- Medicaid ID
- EFF CA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 4400 Duckhorn Dr Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Navdeep Atwal, RPHPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1629350376
- Tajinder Badial, DOInternal Medicine Physician1639756257
- Marie Claire Basco, NPFamily Nurse Practitioner1780148544
- Leslie Kaneko, R.D.Registered Dietitian1669550596
- Dapinder Kaur, FNP-CFamily Nurse Practitioner1265172969
- Teresa Sandoval-Phillips, M.D.Internal Medicine Physician1821264672
Verify Rajinder Kaur Trewn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A48178Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
87 Medicare Part D claims for 37 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium12 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): 96.5 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).
Rajinder Kaur Trewn among 17,696 internal medicine physician records in California
Rajinder Kaur Trewn, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2020 · 61% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
601 internal medicine physician records list a practice address in Sacramento
They are 601 of the 33,083 NPPES records with a practice address in Sacramento, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Sacramento → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Asadullah AwanSacramento, CA 958341730632712
- Nazeela AwanSacramento, CA 958341508316217
- Tajinder Badial, DOSacramento, CA 958341639756257
- Rashida Bokhari, M.DSacramento, CA 958341568422418
- Baljit Gill, M.D.Sacramento, CA 958341063726412
- Afsaneh Khalili, M.D.Sacramento, CA 958341326102708
- Arash Nassim Yazd, M.D.Sacramento, CA 958341033154018
- Hung Rogers, M.D.Sacramento, CA 958341528028834
Common questions
What is Rajinder Kaur Trewn, MD's NPI number?
Rajinder Kaur Trewn, MD's National Provider Identifier (NPI) is 1649246448, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rajinder Kaur Trewn, MD located?
The NPPES record lists a practice address at 4400 Duckhorn Dr Ste 100, Sacramento, CA, 95834. Phone: (916) 575-8000. Providers update this record themselves, so call before visiting.
How can I verify Rajinder Kaur Trewn, MD's license?
NPPES lists California license number A48178, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Rajinder Kaur Trewn, MD prescribe under Medicare Part D?
In 2024, Rajinder Kaur Trewn, MD had 87 Medicare Part D claims for 37 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Rajinder Kaur Trewn, MD's MIPS final score?
The 2023 MIPS final score is 96.5 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.