David E. Weng, MD
Medical Oncology Physician · Chevy Chase, MD
David E. Weng, MD is a medical oncology physician with a practice address in Chevy Chase, Maryland, and NPI 1831154731, issued on Apr 20, 2006. Check the license (Maryland D47203, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- David E. Weng
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- D47203 MD
C55735 CA
35074984W OH
Self-reported in NPPES; status is on the state search - Practice location
- 9017 Spring Hill LN, Chevy Chase, MD 20815
- Phone
- (301) 652-7370
- Enumerated
- Apr 20, 2006
- Record last updated
- Dec 13, 2024
- Fax
- (866) 858-1893
- Medicaid ID
- 2114563 OH
- Medicare enrollment
- Enrolled (PECOS I20140325000648); accepts Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 224 in Maryland → Look up another NPI →
Verify David E. Weng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D47203Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average medical oncology physician in 2024
1,842 Medicare Part D claims for 289 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. 103 claims were for opioids.
Most prescribed
- Anastrozole245 claims
- Letrozole102 claims
- Eliquis75 claims
- Tamoxifen Citrate65 claims
- Levothyroxine Sodium57 claims
- Exemestane51 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): 86.9 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: $3,844.92
38 payments; by number, the most common kind was food and beverage; the largest payer was BeiGene USA, Inc. 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 2 group practices
- Maryland Oncology Hematology PAColumbia, MD
- University OF Maryland St Joseph Medical Group LLCTowson, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David E. Weng among 224 medical oncology physician records in Maryland
David E. Weng, 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
- Graduated1992 · median 2000 among the 128 with a school on file
- Record last updated2024 · 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 Chevy Chase → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Holly Dushkin, M.D.Chevy Chase, MD 208151336279215
- Lisa McGrail, MDChevy Chase, MD 208151649371980
- Frederick Smith, M.D.Chevy Chase, MD 208151730185935
- Azam Ghafoor, M.D.Bethesda, MD 208141811239759
- Robert Lechleider, M.D.Bethesda, MD 208141649583295
- Adrian Senderowicz, MDBethesda, MD 208141396935649
- Robert Young, M.D.Bethesda, MD 208141891052197
- Lee Helman, MDBethesda, MD 208171629085436
Common questions
What is David E. Weng, MD's NPI number?
David E. Weng, MD's National Provider Identifier (NPI) is 1831154731, issued on Apr 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David E. Weng, MD located?
The NPPES record lists a practice address at 9017 Spring Hill LN, Chevy Chase, MD, 20815. Phone: (301) 652-7370. Providers update this record themselves, so call before visiting.
How can I verify David E. Weng, MD's license?
NPPES lists Maryland license number D47203, 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 David E. Weng, MD prescribe under Medicare Part D?
In 2024, David E. Weng, MD had 1,842 Medicare Part D claims for 289 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is David E. Weng, MD's MIPS final score?
The 2023 MIPS final score is 86.9 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.