John H. Sun, MD
Surgery Physician · Parker, CO
John H. Sun, MD is a surgery physician with a practice address in Parker, Colorado, and NPI 1003865023, issued on May 8, 2006. Check the license (Colorado 35479, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- John H. Sun
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 35479 CO
Self-reported in NPPES; status is on the state search - Practice location
- 9397 Crown Crest Blvd, Parker, CO 80138
- Phone
- (303) 320-0699
- Enumerated
- May 8, 2006
- Record last updated
- Jun 26, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (303) 320-0897
- Medicaid ID
- C1354794 CO
- Medicare enrollment
- Enrolled (PECOS I20050120000984); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 1990
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 608 in Colorado → Look up another NPI →
Also registered at 9397 Crown Crest Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephen Barnes, M.D.Surgery Physician1447267018
- Sarah Bretz, M.S.Audiologist1679751739
- Lisa Brown, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1932788213
- William Dickey, MDOtolaryngology Physician1598722084
- Jenna Jacobson, P.A.-CPhysician Assistant1548650450
- Lorie Jones, MDObstetrics & Gynecology Physician1346238235
Verify John H. Sun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 35479Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average surgery physician in 2024
153 Medicare Part D claims for 146 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf141 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): 77.2 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).
Bills Medicare through one group practice
- Portercare Adventist Health SystemDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John H. Sun among 608 surgery physician records in Colorado
John H. Sun, MD is one of 608 surgery physician records with a practice address in Colorado. 74% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1990 · median 2005 among the 370 with a school on file
- Record last updated2009 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Colorado
There are 608 surgery physician records in Colorado.
All 608 in Colorado → Every provider in Parker → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Stephen Barnes, M.D.Parker, CO 801381447267018
- Michael Bertocchi, M.D.Parker, CO 801381972558518
- Tyler Chan, MDParker, CO 801381821384959
- Wanda Good, D.O.Parker, CO 801381417286386
- David Hardin, MDParker, CO 801381639174907
- Jeffrey Harr, M.D., M.P.HParker, CO 801381487776993
- John James, MDParker, CO 801381023233368
- Eliza Kassai, M.D.Parker, CO 801381679993349
Common questions
What is John H. Sun, MD's NPI number?
John H. Sun, MD's National Provider Identifier (NPI) is 1003865023, issued on May 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John H. Sun, MD located?
The NPPES record lists a practice address at 9397 Crown Crest Blvd, Parker, CO, 80138. Phone: (303) 320-0699. Providers update this record themselves, so call before visiting.
How can I verify John H. Sun, MD's license?
NPPES lists Colorado license number 35479, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John H. Sun, MD prescribe under Medicare Part D?
In 2024, John H. Sun, MD had 153 Medicare Part D claims for 146 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is John H. Sun, MD's MIPS final score?
The 2023 MIPS final score is 77.2 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.