Dr. Rajinder Kaur Trewn, MD
- Medicare services, 2023
- 137
- Part D claims, 2024
- 87
- Industry payments
- $61
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 4400 Duckhorn Dr Suite 100 Suite 100, Sacramento, CA 95834-2680
- Practice phone
- Call (916) 575-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mercy Medical Group, A Service Of Dignity Health Medical Foundation
Primary care practice · Sacramento, California
Find Dr. Trewn's professional email, personal email and mobile number
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Dr. Rajinder Kaur Trewn is an internist in Tampa, Florida
Dr. Trewn practices at Mercy Medical Group, A Service Of Dignity Health Medical Foundation in Sacramento, California.
Dr. Trewn's NPI, 1649246448, was assigned on February 23, 2006. Dr. Trewn graduated from Christian Medical College Ludhiana in 1987. Dr. Trewn's California license number on file is A48178.
- NPI
- 1649246448NPI Registry (opens in a new tab)
- NPI enumeration date
- February 23, 2006
- NPI status
- Active
- Practice phone
- (916) 575-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rajinder Kaur Trewn practices in Sacramento and Tampa
Dr. Trewn's primary practice is Mercy Medical Group, A Service of Dignity Health Medical Foundation, at 4400 Duckhorn Dr Suite 100 Suite 100, Sacramento, CA 95834-2680. The practice phone is (916) 575-8000. The NPI Registry lists Dr. Trewn's practice address as 4951 Adamo Dr, Tampa, FL 33605.
- Mercy Medical Group, A Service of Dignity Health Medical FoundationPrimary4400 Duckhorn Dr Suite 100 Suite 100, Sacramento, CA 95834-2680Phone(916) 575-8000
- NPI Registry address4951 Adamo Dr, Tampa, FL 33605 · Hillsborough CountyPhone(916) 575-8000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Rajinder Kaur Trewn is affiliated with 1 site of care and 1 medical group
Dr. Trewn's primary practice is Mercy Medical Group, A Service Of Dignity Health Medical Foundation in Sacramento, California. The medical group on file is Mercy Medical Group.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Rajinder Kaur Trewn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Trewn practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Medical Group, A Service Of Dignity Health Medical Foundation | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Rajinder Kaur Trewn is one of 9,009 internists in Florida
Internal medicine is Dr. Trewn's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Trewn is board certified in internal medicine by the American Board of Internal Medicine. Dr. Trewn has a license on file in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute skin infection, aneurysm, anxiety, arthritis, atrial fibrillation and flutter, chronic anemia, chronic diabetes and chronic hypertension among the conditions Dr. Trewn treats.
Internists near Dr. Trewn
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Rajinder Kaur Trewn billed Medicare for 137 services in 2023
CMS data shows 137 Medicare services from Dr. Trewn across 3 procedure codes in 2023. Medicare paid $8,452 for them. Every service was in an office.
Dr. Trewn's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 3272023: 12562%
- Lab and pathology
- 2022: 572023: 1279%
- Tests and treatments
- 2022: 392023: 0100%
- Other services
- 2022: 452023: 0100%
Dr. Trewn compared with the Florida median for internists, 2023
- Dr. Trewn
- Florida median
- Medicare services
- 137vs 55575% below
- Part D claims
- 12vs 46697% below
Medians across 8,488 internists in Florida with Dmand AI profiles that report each measure.
Dr. Trewn's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Trewn and other internists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rajinder Kaur Trewn's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Trewn's median patient age at 58, with 75% women.
Dr. Trewn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women75%
- Men24%
Source: Dmand AI Patient Panel Data
Dr. Rajinder Kaur Trewn wrote 87 Medicare Part D claims in 2024
In 2024, Dr. Trewn wrote 87 Medicare Part D claims for 37 patients. 92% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $156 in total drug cost. In 2023, CMS named 1,400 claims across 40 drugs.
Dr. Trewn's Part D claims by kind of drug, 2024
- Generic80 claims92%
- Brand-name and other7 claims8%
Dr. Trewn's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,4002024: 1299%
Drugs named by CMS: 1 in 2024, 40 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Rajinder Kaur Trewn received $61 in industry payments in 2017
CMS Open Payments shows 2 general payments to Dr. Trewn from 2 drug and device companies in 2017. Food and beverage make up the largest share, 100% of the total. Ethicon Inc. paid the most, $50.
Companies that paid Dr. Trewn the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Rajinder Kaur Trewn graduated from Christian Medical College Ludhiana
Dr. Trewn graduated from Christian Medical College Ludhiana in 1987.
- Medical school
- Board certified in internal medicine
- Board certified in obesity medicine
Source: Dmand AI Professional Profile Data
Dr. Rajinder Kaur Trewn accepts plans from 5 insurance carriers
Dr. Trewn is in network with 5 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
Plan types Dr. Trewn accepts, by number of carriers
- Medicare5
- PPO5
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Rajinder Kaur Trewn's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Rajinder Kaur Trewn
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Rajinder Kaur Trewn's NPI number?
Dr. Rajinder Kaur Trewn's NPI number is 1649246448. It was assigned on February 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Rajinder Kaur Trewn?
Dr. Rajinder Kaur Trewn is an internist in Tampa, Florida. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Rajinder Kaur Trewn practice?
Dr. Trewn practices at 4400 Duckhorn Dr Suite 100 Suite 100, Sacramento, CA 95834-2680. Dr. Trewn also practices at 4951 Adamo Dr, Tampa, FL 33605. Dr. Trewn's primary practice is Mercy Medical Group, A Service Of Dignity Health Medical Foundation in Sacramento, California.
What is Dr. Rajinder Kaur Trewn's office phone number?
The practice phone on file for Dr. Trewn is (916) 575-8000.
What is Dr. Rajinder Kaur Trewn's medical license number?
Dr. Trewn's California license number on file is A48178.
What medical group is Dr. Rajinder Kaur Trewn part of?
Dr. Trewn is linked to Mercy Medical Group.
Does Dr. Rajinder Kaur Trewn accept Medicare?
Yes. CMS data shows Dr. Trewn billed Medicare for 137 services in 2023.
Is Dr. Rajinder Kaur Trewn board certified?
Yes. Dr. Trewn is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Rajinder Kaur Trewn bill to Medicare?
In 2023, Dr. Trewn's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and lab and pathology test (83036).
Where did Dr. Rajinder Kaur Trewn go to medical school?
Dr. Trewn graduated from Christian Medical College Ludhiana in 1987.
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What drugs does Dr. Rajinder Kaur Trewn prescribe most?
In 2024 Medicare Part D data, Dr. Trewn's most prescribed drugs by claims were Atorvastatin Calcium.
Has Dr. Rajinder Kaur Trewn received payments from drug or device companies?
CMS Open Payments shows $61 in general payments to Dr. Trewn from 2 companies from 2017 to 2017. The largest total came from Ethicon Inc.
How long has Dr. Rajinder Kaur Trewn been practicing?
Dr. Trewn graduated from medical school in 1987, 39 years ago.
What insurance does Dr. Rajinder Kaur Trewn accept?
Dr. Trewn is in network with 5 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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