Dr. John H. Sun, MD
- Medicare services, 2024
- 367
- Medicare patients, 2024
- 197
- Part D claims, 2024
- 153
- MIPS score, 2024
- 86
- Hospital affiliations
- 1
- Practice address
- 9395 Crown Crest Blvd, Parker, CO 80138
- Practice phone
- Call (303) 269-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sun's professional email, personal email and mobile number
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Dr. John H. Sun is a general surgeon in Parker, Colorado
Dr. Sun practices at AdventHealth Parker in Parker, Colorado, part of AdventHealth.
Dr. Sun's NPI, 1003865023, was assigned on May 8, 2006. Dr. Sun graduated from University of Colorado School of Medicine, Denver in 1990. Dr. Sun holds Colorado license 35479.
- NPI
- 1003865023NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274582853
- NPI enumeration date
- May 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (303) 269-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John H. Sun practices at AdventHealth Parker in Parker, Colorado
Dr. Sun's primary practice is AdventHealth Parker, at 9395 Crown Crest Blvd, Parker, CO 80138 in Douglas County. The practice phone is (303) 269-4000.
- AdventHealth Parker9395 Crown Crest Blvd, Parker, CO 80138 · Douglas CountyPhone(303) 269-4000
Source: Dmand AI Affiliation Data
Dr. John H. Sun is affiliated with 3 sites of care and 1 medical group
Dr. Sun's primary practice is AdventHealth Parker in Parker, Colorado, part of AdventHealth. The medical group on file is AdventHealth Transplant Institute North Billings. Dmand AI also links Dr. Sun to 1 more physician office and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John H. Sun's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sun practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| AdventHealth Parker | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John H. Sun is one of 504 general surgeons in Colorado
Surgery is Dr. Sun's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Sun is licensed in Colorado.
Specialties and state licenses
- Surgery, ColoradoPrimary
General surgeons near Dr. Sun
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John H. Sun billed Medicare for 367 services in 2024
CMS data shows 367 Medicare services from Dr. Sun across 6 procedure codes in 2024, for 197 Medicare patients. Medicare paid $36,618 for them.
Dr. Sun's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 2652024: 2889%
- Office and hospital visits
- 2023: 752024: 795%
- Other services
- 2023: 162024: 0100%
Where Dr. Sun's Medicare services took place, 2024
- In an office11231%
- In a facility25569%
Dr. Sun compared with the Colorado median for general surgeons, 2024
- Dr. Sun
- Colorado median
- Medicare services
- 367vs 1093.4 times
- Medicare patients
- 197vs 10489% above
- Part D claims
- 141vs 314.5 times
Medians across 491 general surgeons in Colorado 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John H. Sun treated 197 Medicare patients in 2024, average age 72
CMS counts 197 Medicare patients who saw Dr. Sun in 2024. The largest group is 65 to 74, with 129 patients. 75% of them have high cholesterol, and 62% have high blood pressure. 6% are also on Medicaid. Their average risk score is 0.78, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sun's median patient age at 60, with 54% women.
Dr. Sun's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Sun's Medicare patients by sex, 2024
- Women9649%
- Men10151%
Chronic conditions among Dr. Sun's Medicare patients, 2024
- High cholesterol75%
- High blood pressure62%
- Arthritis47%
- Ischemic heart disease24%
- Diabetes18%
- Cancer16%
- Mood disorders16%
- Chronic kidney disease15%
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 60
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John H. Sun wrote 153 Medicare Part D claims in 2024
In 2024, Dr. Sun wrote 153 Medicare Part D claims for 146 patients. 88% of them were for generic drugs. CMS names the drug for 141 of them, across 1 drug with 11 or more claims each, at $9,332 in total drug cost. In 2023, CMS named 119 claims across 2 drugs.
Dr. Sun's Part D claims by kind of drug, 2024
- Generic134 claims88%
- Brand-name19 claims12%
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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1192024: 14118%
Drugs named by CMS: 1 in 2024, 2 in 2023.
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. John H. Sun scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 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 73 procedures of colonoscopy by Dr. Sun, more than 72% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Sun's MIPS scores, performance year 2024
- 86of 100Final score
- 78.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 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
- Colonoscopy
- 72nd percentile73 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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. John H. Sun received $532 in industry payments from 2016 to 2023
CMS Open Payments shows 21 general payments to Dr. Sun from 5 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $299.
General payments to Dr. Sun by program year, 2016 to 2023
Companies that paid Dr. Sun the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John H. Sun graduated from University of Colorado School of Medicine, Denver
Dr. Sun graduated from University of Colorado School of Medicine, Denver in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John H. Sun's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John H. 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. John H. Sun's NPI number?
Dr. John H. Sun's NPI number is 1003865023. It was assigned on May 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John H. Sun?
Dr. John H. Sun is a general surgeon in Parker, Colorado. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. John H. Sun practice?
Dr. Sun practices at 9395 Crown Crest Blvd, Parker, CO 80138. Dr. Sun's primary practice is AdventHealth Parker in Parker, Colorado, part of AdventHealth. Dmand AI also links Dr. Sun to 1 physician office and 1 group practice or clinic.
What is Dr. John H. Sun's office phone number?
The practice phone on file for Dr. Sun is (303) 269-4000.
What is Dr. John H. Sun's medical license number?
Dr. Sun holds Colorado license 35479.
Which hospitals is Dr. John H. Sun affiliated with?
Dr. Sun practices at AdventHealth Parker in Parker, Colorado.
What medical group is Dr. John H. Sun part of?
Dr. Sun is linked to AdventHealth Transplant Institute North Billings.
Does Dr. John H. Sun accept Medicare?
Yes. CMS data shows Dr. Sun billed Medicare for 367 services in 2024, and Dr. Sun accepts Medicare assignment.
What is Dr. John H. Sun's MIPS score?
Dr. Sun's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does Dr. John H. Sun see?
CMS counts 197 Medicare patients who saw Dr. Sun in 2024, with an average age of 72.
Show 5 more questionsShow fewer questions
What services does Dr. John H. Sun bill to Medicare?
In 2024, Dr. Sun's most billed Medicare services were surgery: digestive system (45380), surgery: digestive system (45385) and office visit, established patient (99212).
Where did Dr. John H. Sun go to medical school?
Dr. Sun graduated from University of Colorado School of Medicine, Denver in 1990.
What drugs does Dr. John H. Sun prescribe most?
In 2024 Medicare Part D data, Dr. Sun's most prescribed drugs by claims were Sod Sulf-Potass Sulf-Mag Sulf.
Has Dr. John H. Sun received payments from drug or device companies?
CMS Open Payments shows $532 in general payments to Dr. Sun from 5 companies from 2016 to 2023. The largest total came from Allergan Inc.
How long has Dr. John H. Sun been practicing?
Dr. Sun graduated from medical school in 1990, 36 years ago.
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