Dr. Bonnie Sun, MD

  • Bethesda, MD
  • Surgical oncologist
NPI1730319757PAC ID9739335217
Medicare services, 2024
696
Medicare patients, 2024
195
Part D claims, 2024
54
Publications
3
MIPS score, 2024
83
Practice address
6420 Rockledge Dr, Bethesda, MD 20817
Practice phone
Call (301) 896-6002
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Suburban Outpatient Surgery Center

Bethesda, Maryland

See all 7 affiliations

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Dr. Bonnie Sun is a surgical oncologist in Bethesda, Maryland

Dr. Sun practices at Suburban Outpatient Surgery Center in Bethesda, Maryland.

Dr. Sun's NPI, 1730319757, was assigned on July 24, 2009. Dr. Sun holds California license A103326.

NPI and contact details
Medicare PAC ID
9739335217
NPI enumeration date
July 24, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(301) 896-6002
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
46
Medical school graduation
2006

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

Dr. Bonnie Sun practices at Suburban Outpatient Surgery Center in Bethesda, Maryland

Dr. Sun's primary practice is Suburban Outpatient Surgery Center, at 6420 Rockledge Dr, Bethesda, MD 20817 in Montgomery County. The practice phone is (301) 896-6002.

  • Suburban Outpatient Surgery Center
    6420 Rockledge Dr, Bethesda, MD 20817 · Montgomery CountyPhone(301) 896-6002

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

Dr. Bonnie Sun is affiliated with 3 sites of care and 4 medical groups

Dr. Sun's primary practice is Suburban Outpatient Surgery Center in Bethesda, Maryland. Dr. Sun is also affiliated with Suburban Hospital. The medical group on file is Johns Hopkins University. Dmand AI also links Dr. Sun to 1 more hospital and 3 medical groups, each named with a free account.

See all 7 affiliations for Dr. Sun

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

Dmand AI tracks the EHR system at Dr. Bonnie Sun's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sun practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Suburban Outpatient Surgery CenterAvailable with a free account
+2 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Bonnie Sun is one of 41 surgical oncologists in Maryland

Surgical oncology is Dr. Sun's primary specialty in the NPI Registry, under taxonomy code 2086X0206X. Dr. Sun is licensed in California.

Specialties and state licenses

  • Surgical oncology, CaliforniaPrimaryLicense A103326 · taxonomy 2086X0206X

Surgical oncologists near Dr. Sun

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

41surgical oncologists in Maryland
3surgical oncologists in Bethesda

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

Dr. Bonnie Sun billed Medicare for 696 services in 2024

CMS data shows 696 Medicare services from Dr. Sun across 15 procedure codes in 2024, for 195 Medicare patients. Medicare paid $138,986 for them.

Medicare services, 2024696
Medicare patients195
Paid by Medicare$138,986
Procedure codes15

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

  • 2023
  • 2024
Surgery
2023: 2952024: 36223%
Office and hospital visits
2023: 2382024: 2351%
Imaging
2023: 1002024: 991%

Where Dr. Sun's Medicare services took place, 2024

  • In an office33448%
  • In a facility36252%

Dr. Sun compared with the Maryland median for surgical oncologists, 2024

  • Dr. Sun
  • Maryland median
Medicare services
696vs 2782.5 times
Medicare patients
195vs 17412% above
Part D claims
46vs 3435% above

Medians across 36 surgical oncologists in Maryland with Dmand AI profiles that report each measure.

Dr. Sun'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. Sun

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

Dr. Bonnie Sun treated 195 Medicare patients in 2024, average age 75

CMS counts 195 Medicare patients who saw Dr. Sun in 2024. The largest group is 65 to 74, with 94 patients. 75% of them have cancer, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 0.91, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Sun's median patient age at 58, with 95% women.

Medicare patients, 2024195
Average age75
Average risk score0.91
Also on Medicaid7%

Dr. Sun's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

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

  1. Cancer75%
  2. High cholesterol75%
  3. High blood pressure67%
  4. Arthritis42%
  5. Osteoporosis29%
  6. Diabetes25%
  7. Anxiety21%
  8. Mood disorders21%

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

Dr. Sun'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

  • Women95%
  • Men2%

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

Dr. Bonnie Sun wrote 54 Medicare Part D claims in 2024

In 2024, Dr. Sun wrote 54 Medicare Part D claims for 51 patients. 98% of them were for generic drugs. CMS names the drug for 46 of them, across 1 drug with 11 or more claims each, at $106 in total drug cost. In 2023, CMS named 38 claims across 2 drugs.

Part D claims, 202454
Drugs named by CMS1
Total drug cost$106
Part D patients51

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

  • Generic53 claims98%
  • Brand-name and other1 claims2%

Dr. Sun'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. Sun's Part D claims, 2024

  • Opioids98%53 of 54 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: 382024: 4621%

Drugs named by CMS: 1 in 2024, 2 in 2023.

See all prescribing by Dr. Sun

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. Bonnie Sun scored 83 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Sun for performance year 2024, reported as part of a group. Dr. Sun accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 97 procedures of mastectomy by Dr. Sun, more than 99% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Sun's MIPS scores, performance year 2024

  • 83of 100Final score
  • 73.9of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 70of 100Cost

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

Where Dr. Sun ranks in Medicare procedure volume

Mastectomy
99th percentile97 procedures
Melanoma (skin cancer) excision
87th percentile54 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

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

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Dr. Bonnie Sun has 3 publications on record

Dmand AI links 3 papers to Dr. Sun, published from 2023 to 2024. The most frequent topics are Breast Neoplasms. Dr. Sun's most frequent co-authors are Melissa Suzanne Camp, MD, David M. Euhus, MD and Mehran Habibi, MD.

Papers3
Years published2023 to 2024

Topics Dr. Sun writes about most

  • Breast Neoplasms

Dr. Sun's most frequent co-authors

Recent publications by Dr. Sun

See all 3 publications and co-authors

See who Dr. Sun researches with

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

How network discovery works

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

Dr. Bonnie Sun received $2,290 in industry payments from 2016 to 2025

CMS Open Payments shows 14 general payments to Dr. Sun from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 58% of the total. AxoGen paid the most, $1,435.

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

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

$2.3Kin total
  • Food and beverage$1,32658%
  • Travel and lodging$96442%

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

Share is of all general payments to this clinician.

See all payments to Dr. Sun

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

Sources for Dr. Bonnie Sun'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 DataDmand AI Org Hierarchy 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Bonnie Sun

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. Bonnie Sun's NPI number?

Dr. Bonnie Sun's NPI number is 1730319757. It was assigned on July 24, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Bonnie Sun?

Dr. Bonnie Sun is a surgical oncologist in Bethesda, Maryland. The primary specialty in the NPI Registry is Surgical Oncology Physician (taxonomy code 2086X0206X).

Where does Dr. Bonnie Sun practice?

Dr. Sun practices at 6420 Rockledge Dr, Bethesda, MD 20817. Dr. Sun's primary practice is Suburban Outpatient Surgery Center in Bethesda, Maryland. Dmand AI also links Dr. Sun to 1 hospital and 3 medical groups.

What is Dr. Bonnie Sun's office phone number?

The practice phone on file for Dr. Sun is (301) 896-6002.

What is Dr. Bonnie Sun's medical license number?

Dr. Sun holds California license A103326.

Which hospitals is Dr. Bonnie Sun affiliated with?

Dr. Sun is affiliated with Suburban Hospital. Dmand AI links Dr. Sun to 1 more hospital.

What medical group is Dr. Bonnie Sun part of?

Dr. Sun is linked to Johns Hopkins University. Dmand AI links Dr. Sun to 3 more medical groups.

Does Dr. Bonnie Sun accept Medicare?

Yes. CMS data shows Dr. Sun billed Medicare for 696 services in 2024, and Dr. Sun accepts Medicare assignment.

What is Dr. Bonnie Sun's MIPS score?

Dr. Sun's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.

How many Medicare patients does Dr. Bonnie Sun see?

CMS counts 195 Medicare patients who saw Dr. Sun in 2024, with an average age of 75.

Show 6 more questionsShow fewer questions

What services does Dr. Bonnie Sun bill to Medicare?

In 2024, Dr. Sun's most billed Medicare services were ultrasound (76642), office visit, new patient (99205) and office visit, established patient (99213).

What drugs does Dr. Bonnie Sun prescribe most?

In 2024 Medicare Part D data, Dr. Sun's most prescribed drugs by claims were Oxycodone-Acetaminophen.

Has Dr. Bonnie Sun received payments from drug or device companies?

CMS Open Payments shows $2,290 in general payments to Dr. Sun from 8 companies from 2016 to 2025. The largest total came from AxoGen.

How long has Dr. Bonnie Sun been practicing?

Dr. Sun graduated from medical school in 2006, 20 years ago.

Does Dr. Bonnie Sun do research?

Dmand AI links 3 publications to Dr. Sun, published from 2023 to 2024.

Who does Dr. Bonnie Sun publish with?

Dr. Sun's most frequent co-authors are Melissa Suzanne Camp, MD (2 shared papers), David M. Euhus, MD (2 shared papers) and Mehran Habibi, MD (2 shared papers).

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