Ram Swarup Trehan, MD
Medical Oncology Physician · Silver Spring, MD
Ram Swarup Trehan, MD is a medical oncology physician with a practice address in Silver Spring, Maryland, and NPI 1952310070, issued on Aug 7, 2006. Check the license (Maryland D0033224, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Ram Swarup Trehan
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- D0033224 MD
D33224 MD
MD16397 DC
Self-reported in NPPES; status is on the state search - Practice location
- 10750 Columbia Pike Ste 501, Silver Spring, MD 20901
- Phone
- (301) 593-9035
- Enumerated
- Aug 7, 2006
- Record last updated
- Jan 3, 2023
- Fax
- (301) 593-9036
- Medicare enrollment
- Enrolled (PECOS I20101130000629); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 224 in Maryland → Look up another NPI →
Also registered at 10750 Columbia Pike Ste 501
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Kelly, MDMedical Oncology Physician1376781443
- Sheila Mae Kourakos, MSN, APRN, FNP-CFamily Nurse Practitioner1447883749
- Wendy Matthews, APRNNurse Practitioner1790338242
- Joshua Montgomery, PA-CPhysician Assistant1659083467
- Gavin Morgan, PHYSICIAN ASSISTANTPhysician Assistant1578033262
- Daya Sharma, MDMedical Oncology Physician1871527937
Verify Ram Swarup Trehan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0033224Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% more Medicare Part D claims than the average medical oncology physician in 2024
840 Medicare Part D claims for 158 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Eliquis140 claims
- Letrozole76 claims
- Xarelto55 claims
- Imatinib Mesylate35 claims
- Warfarin Sodium32 claims
- Calquence31 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $4,590.95
71 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 3,343 providers of this specialty with any payment received $11,773.47 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 one group practice
- American Oncology Partners PAWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ram Swarup Trehan among 224 medical oncology physician records in Maryland
Ram Swarup Trehan, MD is one of 224 medical oncology physician records with a practice address in Maryland. 67% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 53% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1979 · median 2000 among the 128 with a school on file
- Record last updated2023 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Maryland
There are 224 medical oncology physician records in Maryland.
All 224 in Maryland → Every provider in Silver Spring → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- William Kelly, MDSilver Spring, MD 209011376781443
- Daya Sharma, MDSilver Spring, MD 209011871527937
- Kekule AsgariSilver Spring, MD 209021568927911
- Robert White, M.D.Silver Spring, MD 209021063947133
- Patricia KeeganSilver Spring, MD 209031013305663
- Lee Pai-Scherf, M.D.Silver Spring, MD 209031265847727
- Martin Cohen, M.D.Silver Spring, MD 209051043583529
- Maurcio Burotto Pichun, M.D.Bethesda, MD 208921134565427
Common questions
What is Ram Swarup Trehan, MD's NPI number?
Ram Swarup Trehan, MD's National Provider Identifier (NPI) is 1952310070, issued on Aug 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ram Swarup Trehan, MD located?
The NPPES record lists a practice address at 10750 Columbia Pike Ste 501, Silver Spring, MD, 20901. Phone: (301) 593-9035. Providers update this record themselves, so call before visiting.
How can I verify Ram Swarup Trehan, MD's license?
NPPES lists Maryland license number D0033224, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ram Swarup Trehan, MD prescribe under Medicare Part D?
In 2024, Ram Swarup Trehan, MD had 840 Medicare Part D claims for 158 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Ram Swarup Trehan, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.