Dr. David E. Weng, MD

  • Annapolis, MD
  • Medical oncologist
NPI1831154731PAC ID2769494764
Medicare services, 2024
47,312
Medicare patients, 2024
659
Part D claims, 2024
1,842
Publications
17
Clinical trials
1
Practice address
810 Bestgate Rd, Annapolis, MD 21401
Practice phone
Call (855) 405-7100
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Summit Ambulatory Surgical Center, LLC

Annapolis, Maryland

See all 11 affiliations

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Dr. David E. Weng is a medical oncologist in Annapolis, Maryland

Dr. Weng practices at Summit Ambulatory Surgical Center, LLC in Annapolis, Maryland.

Dr. Weng's NPI, 1831154731, was assigned on April 20, 2006. Dr. Weng graduated from The Johns Hopkins University School of Medicine in 1992. Dr. Weng's Maryland license number on file is D47203.

NPI and contact details
Medicare PAC ID
2769494764
NPI enumeration date
April 20, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(855) 405-7100
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
60
Medical school graduation
1992

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. David E. Weng practices at Summit Ambulatory Surgical Center, LLC in Annapolis, Maryland

Dr. Weng's primary practice is Summit Ambulatory Surgical Center, LLC, at 810 Bestgate Rd, Annapolis, MD 21401 in Anne Arundel County. The practice phone is (855) 405-7100.

  • Summit Ambulatory Surgical Center, LLC
    810 Bestgate Rd, Annapolis, MD 21401 · Anne Arundel CountyPhone(855) 405-7100

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. David E. Weng is affiliated with 5 sites of care and 6 medical groups

Dr. Weng's primary practice is Summit Ambulatory Surgical Center, LLC in Annapolis, Maryland. Dr. Weng is also affiliated with Luminis Health Anne Arundel Medical Center. The medical group on file is UM Community Medical Group. Dmand AI also links Dr. Weng to 2 more hospitals, 5 medical groups and 1 group practice or clinic, each named with a free account.

See all 11 affiliations for Dr. Weng

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. David E. Weng's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Weng practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Summit Ambulatory Surgical Center, LLCAvailable with a free account
+4 more sites and 5 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. David E. Weng is one of 157 medical oncologists in Maryland

Medical oncology is Dr. Weng's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Weng is board certified in medical oncology by the American Board of Internal Medicine. Dmand AI has Dr. Weng's licenses on file in 3 states: Maryland, California and Ohio.

Specialties and state licenses

  • Medical oncology, MarylandPrimaryLicense D47203 · 1995 to 2025 · taxonomy 207RX0202X
  • California licenseLicense C55735 · 2013 to 2026
  • Ohio licenseLicense 35074984W · 1998 to 2025

Clinical focus

Dmand AI lists breast cancer, chronic anemia, chronic leukemia, colorectal cancer, lung cancer, lymphoma, multiple myeloma and neutropenia among the conditions Dr. Weng treats.

Medical oncologists near Dr. Weng

Counts of medical oncologists with a Dmand AI profile, by place and practice. Each opens the list.

157medical oncologists in Maryland
4medical oncologists in Annapolis

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. David E. Weng billed Medicare for 47,312 services in 2024

CMS data shows 47,312 Medicare services from Dr. Weng across 50 procedure codes in 2024, for 659 Medicare patients. Medicare paid $1,311,072 for them. Every service was in an office.

Medicare services, 202447,312
Medicare patients659
Paid by Medicare$1.3M
Procedure codes50

Dr. Weng's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 56,5032024: 39,79430%
Lab and pathology
2023: 2,3052024: 3,75163%
Tests and treatments
2023: 1,0902024: 1,84169%
Office and hospital visits
2023: 1,4032024: 1,17117%
Other services
2023: 02024: 755
Surgery
2023: 182024: 0100%

Dr. Weng compared with the Maryland median for medical oncologists, 2024

  • Dr. Weng
  • Maryland median
Medicare services
47,312vs 422112.1 times
Medicare patients
659vs 1434.6 times
Part D claims
1,443vs 11812.2 times

Medians across 124 medical oncologists in Maryland with Dmand AI profiles that report each measure.

Dr. Weng's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Weng

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. David E. Weng treated 659 Medicare patients in 2024, average age 75

CMS counts 659 Medicare patients who saw Dr. Weng in 2024. The largest group is 65 to 74, with 287 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.60, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Weng's median patient age at 68, with 66% women.

Medicare patients, 2024659
Average age75
Average risk score1.60
Also on Medicaid9%

Dr. Weng's Medicare patients by age, 2024

Dr. Weng's Medicare patients by sex, 2024

  • Women47472%
  • Men18528%

Chronic conditions among Dr. Weng's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Cancer67%
  4. Arthritis46%
  5. Diabetes33%
  6. Chronic kidney disease24%
  7. Ischemic heart disease24%
  8. Osteoporosis24%

Share of Medicare patients with each condition. A patient can have several.

Dr. Weng's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women66%
  • Men33%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. David E. Weng wrote 1,842 Medicare Part D claims in 2024

In 2024, Dr. Weng wrote 1,842 Medicare Part D claims for 289 patients. 79% of them were for generic drugs. CMS names the drug for 1,443 of them, across 48 drugs with 11 or more claims each, at $3,084,622 in total drug cost. In 2023, CMS named 1,160 claims across 40 drugs.

Part D claims, 20241,842
Drugs named by CMS48
Total drug cost$3.1M
Part D patients289

Dr. Weng's Part D claims by kind of drug, 2024

  • Generic1,452 claims79%
  • Brand-name and other390 claims21%

Dr. Weng'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.

Drug classes CMS tracks in Dr. Weng's Part D claims, 2024

  • Opioids6%103 of 1,842 claims
  • Antibiotics2%35 of 1,842 claims
  • Antipsychotics, patients 65 and over1%16 of 1,842 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,1602024: 1,44324%

Drugs named by CMS: 48 in 2024, 40 in 2023.

See all prescribing by Dr. Weng

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

Dr. David E. Weng scored 97 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Weng for performance year 2024, reported individually. Dr. Weng accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Weng as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Weng's MIPS scores, performance year 2024

  • 97of 100Final score
  • 91.9of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. David E. Weng has 17 publications on record

Dmand AI links 17 papers to Dr. Weng, published from 2006 to 2015. 2015 was the busiest year, with 2. The most frequent topics are Breast Neoplasms, Cell Differentiation and Dendritic Cells. Dr. Weng has published most often in J Immunol. Dr. Weng's most frequent co-authors are Brian J. Czerniecki, MD, Ravi K. Amaravadi, MD and Robert M. Dean, MD.

Papers17
Years published2006 to 2015

Dr. Weng's papers by year, 2006 to 2015

Topics Dr. Weng writes about most

  • Breast Neoplasms
  • Cell Differentiation
  • Dendritic Cells
  • Antigens, CD
  • Antineoplastic Combined Chemotherapy Protocols
  • Calcimycin
  • CD83 Antigen
  • Cells, Cultured

Dr. Weng's most frequent co-authors

Recent publications by Dr. Weng

See all 17 publications and co-authors

See who Dr. Weng researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Weng works with, so you can find a warm path to the right medical oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. David E. Weng has worked on 1 clinical trial

Dmand AI links Dr. Weng to 1 clinical trial. Conditions studied include Breast Neoplasms and Breast Diseases.

Conditions in Dr. Weng's trials

  • Breast Neoplasms
  • Breast Diseases

Recent clinical trials with Dr. Weng

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. David E. Weng received $36,377 in industry payments from 2016 to 2025

CMS Open Payments shows 417 general payments to Dr. Weng from 67 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 62% of the total. Bristol-Myers Squibb Company paid the most, $4,066.

General payments to Dr. Weng by program year, 2016 to 2025

General payments to Dr. Weng by kind, 2016 to 2025

$36.4Kin total
  • Consulting fees$22,50962%
  • Food and beverage$7,60921%
  • Travel and lodging$2,9138%
  • Speaker and faculty fees$1,3754%
  • Other$1,9465%

Companies that paid Dr. Weng the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Weng

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. David E. Weng has 1 award and honors on record

Dmand AI lists 1 award for Dr. Weng, most recently CMS Stage 1 EHR in 2014.

Awards and honors for Dr. Weng

  1. 2014
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. David E. Weng graduated from The Johns Hopkins University School of Medicine

Dr. Weng graduated from The Johns Hopkins University School of Medicine in 1992. Dr. Weng is a member of ASCO and ASH.

  1. Medical schoolThe Johns Hopkins University School of Medicine
  2. Board certified in medical oncologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineNational Board of Physicians and Surgeons
  4. Board certified in medical oncologyNational Board of Physicians and Surgeons

Source: Dmand AI Professional Profile Data

Dr. David E. Weng accepts plans from 20 insurance carriers

Dr. Weng is in network with 20 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 12. Check the plan with the practice before a visit.

Plan types Dr. Weng accepts, by number of carriers

  1. Medicare12
  2. PPO12
  3. HMO9
  4. EPO4
  5. POS4
  6. Medicaid3

Source: Dmand AI Insurance Network Data

Sources for Dr. David E. Weng's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. David E. Weng

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. David E. Weng's NPI number?

Dr. David E. Weng's NPI number is 1831154731. It was assigned on April 20, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. David E. Weng?

Dr. David E. Weng is a medical oncologist in Annapolis, Maryland. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).

Where does Dr. David E. Weng practice?

Dr. Weng practices at 810 Bestgate Rd, Annapolis, MD 21401. Dr. Weng's primary practice is Summit Ambulatory Surgical Center, LLC in Annapolis, Maryland. Dmand AI also links Dr. Weng to 2 hospitals, 5 medical groups and 1 group practice or clinic.

What is Dr. David E. Weng's office phone number?

The practice phone on file for Dr. Weng is (855) 405-7100.

What is Dr. David E. Weng's medical license number?

Dr. Weng's Maryland license number on file is D47203, one of the licenses on file in 3 states.

Which states has Dr. David E. Weng been licensed in?

Dmand AI has state licenses on file for Dr. Weng in Maryland (1995 to 2025), California (2013 to 2026) and Ohio (1998 to 2025).

Which hospitals is Dr. David E. Weng affiliated with?

Dr. Weng is affiliated with Luminis Health Anne Arundel Medical Center. Dmand AI links Dr. Weng to 2 more hospitals.

What medical group is Dr. David E. Weng part of?

Dr. Weng is linked to UM Community Medical Group. Dmand AI links Dr. Weng to 5 more medical groups.

Does Dr. David E. Weng accept Medicare?

Yes. CMS data shows Dr. Weng billed Medicare for 47,312 services in 2024, and Dr. Weng accepts Medicare assignment.

Does Dr. David E. Weng offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Weng as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Dr. David E. Weng's MIPS score?

Dr. Weng's MIPS final score for performance year 2024 is 97 out of 100, reported individually.

How many Medicare patients does Dr. David E. Weng see?

CMS counts 659 Medicare patients who saw Dr. Weng in 2024, with an average age of 75.

Is Dr. David E. Weng board certified?

Yes. Dr. Weng is board certified in medical oncology by the American Board of Internal Medicine.

What services does Dr. David E. Weng bill to Medicare?

In 2024, Dr. Weng's most billed Medicare services were injected or infused drug (J9271), injected or infused drug (J0897) and injected or infused drug (J0185).

Where did Dr. David E. Weng go to medical school?

Dr. Weng graduated from The Johns Hopkins University School of Medicine in 1992.

What drugs does Dr. David E. Weng prescribe most?

In 2024 Medicare Part D data, Dr. Weng's most prescribed drugs by claims were Anastrozole, Letrozole and Eliquis.

Has Dr. David E. Weng received payments from drug or device companies?

CMS Open Payments shows $36,377 in general payments to Dr. Weng from 67 companies from 2016 to 2025. The largest total came from Bristol-Myers Squibb Company.

How long has Dr. David E. Weng been practicing?

Dr. Weng graduated from medical school in 1992, 34 years ago.

Does Dr. David E. Weng do research?

Dmand AI links 17 publications to Dr. Weng, published from 2006 to 2015. Dr. Weng has worked on 1 clinical trial.

Who does Dr. David E. Weng publish with?

Dr. Weng's most frequent co-authors are Brian J. Czerniecki, MD (3 shared papers), Ravi K. Amaravadi, MD (1 shared paper) and Robert M. Dean, MD (1 shared paper).

What insurance does Dr. David E. Weng accept?

Dr. Weng is in network with 20 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 12. Check the plan with the practice before a visit.

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