Dr. John Eun , MD
Surgery - Vascular Surgery โข Centennial, CO
5657 S Himalaya St Ste 210
Centennial, CO 800155309
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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Dr. John Eun is listed in NPPES under Surgery - Vascular Surgery.
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NPI assigned on January 30, 2007; this date does not establish years in practice.
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Published CMS data list 1,078 Original Medicare Part B services in 2024.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024. Published rows only; this is not a quality measure.
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Published Part B service records, 2024:
- 36482 โ Chemical destruction of first incompetent vein of arm or leg using imaging guidance: 208 service units.
- 93971 โ Ultrasound study of one arm or leg veins with compression and maneuvers: 178 service units.
- 99212 โ Established patient outpatient office visit: 171 service units.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024. Units differ by code; these are not visits or a measure of quality.
CPTยฎ only copyright 2023 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2024). CPT notice
See all 10 records in the table ยท Guide: How to read Medicare Part B data
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Published CMS data list 11 Medicare Part D prescriptions, including refills, in 2024.
Source: CMS, Medicare Part D Prescribers โ by Provider and Drug, 2024. Published rows only; this is not a quality measure.
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Published Part D records, 2024:
- Methylprednisolone โ 11 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers โ by Provider and Drug, 2024. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See the full table ยท Guide: How to read Medicare Part D prescriber data
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More Medicare Part B services than 85% of clinicians listed under Surgery - Vascular Surgery in Colorado (2024, 44 clinicians with data). Median for this group: 537. Middle half: 208 to 949.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part B services went from 448 in 2017 to 1,078 in 2024.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2017โ2024.
Practice Location & Contact Primary Location
5657 S Himalaya St Ste 210
Centennial, CO 800155309
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
CMS Doctors and Clinicians lists 1 group name: Colorado Medical Group Pllc. See the list
Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File
Medical College Of Georgia School Of Medicine
2006
What Public CMS Data Show
Surgery - Vascular Surgery: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
96 people with Original Medicare in 2024
It gives a sense of how many people with Medicare this clinician treated that year.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider, 2024.
Medicare-allowed amount
About $589,125 in 2024
The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024.
Paid by Medicare
About $469,590 in 2024
The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024.
30-day fills
11 standardized 30-day fills in 2024
CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.
What this does not show: 30-day fills
It is not a count of patients and not a measure of quality.
Part D drug cost
$73 in 2024
The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.
It shows the total spending on drugs this clinician prescribed, not what any one patient paid.
What this does not show: Part D drug cost
A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.
Source: CMS, Medicare Part D Prescribers โ by Provider and Drug, 2024.
Open Payments general payments, program year 2025
All general payments: $336.69 across 5 records.
By nature of payment
- Food and Beverage: $336.69 across 5 records.
Reporting-company totals
- Tactile Systems Technology Inc: $336.69 across 5 records.
A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.
Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).
Years since graduation
20 years (graduated 2006)
CMS Doctors and Clinicians data list 2006 as the year this clinician finished professional school.
It tells you roughly how long ago the clinician finished school.
What this does not show: Years since graduation
It is not the number of years in practice, and more years does not mean better care.
Source: CMS Doctors and Clinicians National Downloadable File.
NPI first issued
2007
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Accepts Medicare assignment
CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.
With Original Medicare, you usually pay only your deductible and coinsurance, and the office sends the claim to Medicare for you.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, โDoes your provider accept Medicare as full payment?โ
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Enrolled in Medicare (PECOS)
Dr. Eun has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Dr. Eun as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Centennial and Colorado
Billing and prescribing volume is not a quality rating.
Medicare Part B services
More Medicare Part B services than 85% of clinicians listed under Surgery - Vascular Surgery in Colorado (2024, 44 clinicians with data). Median for this group: 537. Middle half: 208 to 949.
Too few clinicians listed under Surgery - Vascular Surgery in Centennial have Medicare Part B data for 2024 to compare.
Medicare-allowed amount
A higher Medicare-allowed amount than 95% of clinicians listed under Surgery - Vascular Surgery in Colorado (2024, 44 clinicians with data). Median for this group: $64,763. Middle half: $18,141 to $106,368.
Too few clinicians listed under Surgery - Vascular Surgery in Centennial have Medicare Part B data for 2024 to compare.
Paid by Medicare
A higher Medicare payment amount than 95% of clinicians listed under Surgery - Vascular Surgery in Colorado (2024, 44 clinicians with data). Median for this group: $49,958. Middle half: $13,992 to $80,532.
Too few clinicians listed under Surgery - Vascular Surgery in Centennial have Medicare Part B data for 2024 to compare.
Medicare Part D prescriptions
Fewer Part D prescriptions than 95% of clinicians listed under Surgery - Vascular Surgery in Colorado (2024, 47 clinicians with data). Median for this group: 56. Middle half: 19 to 121.
Too few clinicians listed under Surgery - Vascular Surgery in Centennial have Medicare Part D data for 2024 to compare.
Part D drug cost
A lower Part D drug cost than 85% of clinicians listed under Surgery - Vascular Surgery in Colorado (2024, 47 clinicians with data). Median for this group: $2,015. Middle half: $284 to $15,744.
Too few clinicians listed under Surgery - Vascular Surgery in Centennial have Medicare Part D data for 2024 to compare.
2 active clinicians are listed under Surgery - Vascular Surgery with a practice address in Centennial, CO (73 in Colorado).
Addresses are self-reported to NPPES and may be out of date.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services increased 141% from 448 in 2017 to 1,078 in 2024.
- 2017: 448
- 2018: 453
- 2024: 1,078
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Medicare-allowed amount
Medicare-allowed amount increased 4217% from $13,646 in 2017 to $589,125 in 2024.
- 2017: $13,646
- 2018: $16,129
- 2024: $589,125
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Paid by Medicare
Paid by Medicare increased 4346% from $10,562 in 2017 to $469,590 in 2024.
- 2017: $10,562
- 2018: $12,579
- 2024: $469,590
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Medicare Part D prescriptions
Medicare Part D prescriptions went from 14 in 2014 to 11 in 2024.
- 2014: 14
- 2015: 12
- 2016: 12
- 2024: 11
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30-day fills
30-day fills went from 14 in 2014 to 11 in 2024.
- 2014: 14
- 2015: 12
- 2016: 12
- 2024: 11
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Part D drug cost
Part D drug cost went from $533 in 2014 to $73 in 2024.
- 2014: $533
- 2015: $412
- 2016: $148
- 2024: $73
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Industry payments (Open Payments)
Industry payments (Open Payments) went from $168.36 in 2021 to $336.69 in 2025.
- 2021: $168.36
- 2022: $138.58
- 2023: $153.44
- 2024: $13.89
- 2025: $336.69
Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo ยท Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 โ December 31, 2025): fewer than 11 records totaling $336.69.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Tactile Systems Technology Inc |
Food and Beverage
In-kind items and services
|
Flexitouch Plus | General | $145.33 |
| Tactile Systems Technology Inc |
Food and Beverage
In-kind items and services
|
Flexitouch Plus | General | $107.30 |
| Tactile Systems Technology Inc |
Food and Beverage
In-kind items and services
|
Flexitouch Plus | General | $43.33 |
| Tactile Systems Technology Inc |
Food and Beverage
In-kind items and services
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Flexitouch Plus | General | $28.15 |
| Tactile Systems Technology Inc |
Food and Beverage
In-kind items and services
|
Flexitouch Plus | General | $12.58 |
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Performed Procedures & Service Volume
CPTยฎ is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016โ2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners โ by Provider and Service data, 2017โ2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
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36482
Chemical destruction of first incompetent vein of arm or leg using imaging guidance
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208 | 53 | $3731.50 | $1697.60 |
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93971
Ultrasound study of one arm or leg veins with compression and maneuvers
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178 | 57 | $257.56 | $122.92 |
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99212
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more
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171 | 52 | $116.70 | $57.54 |
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36465
Injection of chemical agent into single incompetent vein of leg using ultrasound guidance
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116 | 37 | $2933.52 | $1312.72 |
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99213
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
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107 | 69 | $186.68 | $92.13 |
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93970
Ultrasound study of arm or leg veins with compression and maneuvers
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103 | 70 | $406.18 | $193.09 |
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99203
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
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63 | 63 | $229.91 | $112.86 |
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76942
Ultrasonic guidance for needle placement
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60 | 28 | $121.54 | $59.14 |
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36471
Injection of chemical agent into multiple incompetent veins of leg
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45 | 24 | $441.95 | $196.76 |
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36470
Injection of chemical agent into single incompetent vein
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27 | 17 | $244.18 | $102.63 |
Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Medicare Part D Prescribing Profile & Medications
Medicare Part D prescriptions filled, including refills, in 2024.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Methylprednisolone | Methylprednisolone | 11 | 66 | $73.18 | โ |
Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2025-02-15NUCC Taxonomy Code: 2086S0129X
A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.
NUCC Taxonomy Code: 202K00000X
Phlebology is the medical discipline that involves the diagnosis and treatment of venous disorders, including spider veins, varicose veins, chronic venous insufficiency, venous leg ulcers, congenital venous abnormalities, venous thromboembolism and other disorders of venous origin. A phlebologist has attained a minimum of 50 hours of CME units in phlebology-related courses, and is knowledgeable of and trained in a variety of diagnostic techniques including physical examination, venous imaging techniques such as duplex ultrasound, CT and MR, plethysmographic techniques and laboratory evaluation related to venous thromboembolism. The phlebologist is also trained in a variety of therapeutic interventions, which may include compression, sclerotherapy, cutaneous vascular laser, endovenous thermoablation procedures (laser and radiofrequency) endovenous chemical ablation, surgical procedures (e.g., ambulatory phlebectomy, venous ligation), vasoactive medications and the management of venous thromboembolism.
NUCC Taxonomy Code: 390200000X
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - VASCULAR SURGERY
I20150902000263
CO
0446570394
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Medicare Group Practice Enrollments
Source: CMS Doctors and Clinicians National Downloadable File
Colorado Medical Group Pllc
5657 S Himalaya St, Centennial, CO 800155309
Phone: 8009916117
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Surgery
Doctor of Medicine (M.D.)
Surgery
Doctor of Medicine (M.D.)
Surgery - Vascular Surgery
Doctor of Medicine (M.D.)
Surgery - Vascular Surgery
Doctor of Medicine (M.D.)
Specialist
Doctor of Medicine (M.D.)
Physician Assistant - Surgical
Physician Assistant
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 5657 S HIMALAYA ST STE 210, CENTENNIAL, CO 800155309 (Tel: 8009916117)
Registered at 3820 NORTHDALE BLVD STE 201, TAMPA, FL 336241893 (Tel: 8009916117)
Phlebology (license number reported to NPPES: CO DR0051583)
NPI status registered as active in NPPES database
Registered at UNIVERSITY OF COLORADO SCHOOL OF MEDICINE, 4200 E. 9TH AVE., DENVER, CO 802620001 (Tel: 3034937000)
Registered at UNIVERSITY OF COLORADO SCHOOL OF MEDICINE, DENVER, CO 802620001 (Tel: 3034937000)
Recorded as JOHN EUN, MD
Surgery (license number reported to NPPES: CO DR0051583)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Mailing Address
3820 Northdale Blvd Ste 201
Tampa, FL 336241893
Phone: 8009916117