Active NPI 1457445785 Individual Practitioner Male Practitioner

Dr. Thomas Bak , MD

Transplant Surgery • Aurora, CO

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Bak, MD is a certified Transplant Surgery practicing in Aurora, CO. With approximately 38 years of clinical experience since graduating from Tulane University School Of Medicine in 1988, Dr. Bak delivers high-quality medical care to the local community at 12605 E 16TH AVE.

Dr. Bak is affiliated with University Physicians Incorporated and accepts Medicare assignment.

Frequently performed procedures and clinical services include follow-up hospital inpatient care per day, removal of kidney from living donor using an endoscope, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

12605 E 16th Ave

Aurora, CO 800452545

Telephone 7208480000

Associated Practice Facility / Clinic

🏢 University Of Colorado Hospital Authority Facility NPI 1477531580

Medicare Profile & Education

Medical School

Tulane University School Of Medicine

Graduation Year

1988

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Transplant Surgery in Aurora, CO

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

38 Yrs +16.0 yrs vs City Avg

City Avg: 22.0 Yrs

State Avg: 25.8 Yrs

Regional Practice Density

16 Specialists

Practicing in Aurora, CO (24 Statewide)

Telehealth Adoption Rate

12.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

87.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Bak (38 Years) 38 Yrs

Aurora Specialty Average (22.0 Years) 22.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	24	11	$156.00	$48.79
50547 Removal of kidney from living donor using an endoscope	11	11	$12831.00	$1588.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	29	14	$156.00	$39.05
99213 Established patient office or other outpatient visit, typically 15 minutes	18	15	$263.00	$65.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	51	36	$156.00	$38.79
99213 Established patient office or other outpatient visit, typically 15 minutes	35	21	$235.57	$67.49
50360 Transplantation of donor kidney	18	18	$15544.00	$2474.55
50605 Insertion of stent in ureter	18	18	$5063.00	$509.68
50323 Preparation of donor kidney for transplantation	15	15	$2650.00	$67.76
50547 Removal of kidney from living donor using an endoscope	13	13	$12090.75	$1545.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	79	39	$156.00	$39.95
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	37	36	$311.76	$79.60
50360 Transplantation of donor kidney	19	18	$15544.00	$2513.18
50605 Insertion of stent in ureter	19	18	$5063.00	$516.35
50323 Preparation of donor kidney for transplantation	16	16	$2650.00	$64.33
50547 Removal of kidney from living donor using an endoscope	16	16	$12831.00	$1674.98
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$304.00	$77.22

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	119	53	$155.63	$39.46
50360 Transplantation of donor kidney	21	21	$15913.95	$2447.61
99213 Established patient office or other outpatient visit, typically 15 minutes	20	13	$203.00	$51.42
50605 Insertion of stent in ureter	20	20	$5052.35	$528.32
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	15	$310.73	$79.27
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$304.00	$76.73
50547 Removal of kidney from living donor using an endoscope	14	14	$13289.25	$1612.00
50323 Preparation of donor kidney for transplantation	14	14	$2650.00	$63.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	138	60	$155.00	$39.53
99213 Established patient office or other outpatient visit, typically 15 minutes	29	24	$219.55	$51.76
50360 Transplantation of donor kidney	22	22	$15924.88	$2515.83
50605 Insertion of stent in ureter	22	22	$5035.27	$534.18
50323 Preparation of donor kidney for transplantation	15	15	$2650.00	$63.59
50547 Removal of kidney from living donor using an endoscope	15	15	$13044.85	$1660.98
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$321.50	$66.67

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	122	45	$155.00	$39.49
99213 Established patient office or other outpatient visit, typically 15 minutes	35	21	$200.43	$50.67
50547 Removal of kidney from living donor using an endoscope	21	21	$12447.43	$1657.70
50605 Insertion of stent in ureter	11	11	$5006.00	$492.12
50360 Transplantation of donor kidney	11	11	$15190.64	$2418.95

Medical Specialties & State Licenses

Transplant Surgery Primary Specialty

NUCC Taxonomy Code: 204F00000X

State License CO 33648

A surgeon who specializes in transplant surgery.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

01336486 (CO)

Hospital & Practice Group Affiliations

University Physicians Incorporated

801 N 29th St, Billings, MT 591010905

Phone: 4062382500

University Physicians Incorporated

13123 E 16th Ave, Aurora, CO 800457106

Phone: 7207771234

University Physicians Incorporated

12605 E 16th Ave, Aurora, CO 800452545

Phone: 7208480000

University Physicians Incorporated

1635 Aurora Ct, Aurora, CO 800452541

Phone: 7208480000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners

Dr. Jonathan Orsborn , MD

Pediatrics - Pediatric Emergency Medicine

NPI 1003013319

Doctor of Medicine (M.D.)

Dr. Emily Jones , MD

Internal Medicine

NPI 1003063140

Doctor of Medicine (M.D.)

Kate Coleman Minahan , FNP

Nurse Practitioner - Pediatrics

NPI 1003068859

Family Nurse Practitioner

Stacey Johnson , APRN

Nurse Practitioner - Adult Health

NPI 1003116997

Advanced Practice Registered Nurse

Andrea Hall , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003125394

Certified Registered Nurse Anesthetist

Kristi Swim , FNP

Nurse Practitioner - Family

NPI 1003126442

Family Nurse Practitioner

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active September 17, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location September 17, 2012

Registered at 12605 E 16TH AVE, AURORA, CO 800452545 (Tel: 7208480000)

📍

Updated Business Mailing Address September 17, 2012

Registered at PO BOX 110429, AURORA, CO 800420429 (Tel: 3034937000)

👤

Provider Name / Credentials Updated September 17, 2012

Recorded as THOMAS BAK, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 17, 2012

Transplant Surgery (License #33648 in CO)

🟢

Initial NPI Registration & Enumeration October 03, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1457445785

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: October 03, 2006

Last Update: September 17, 2012

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 110429

Aurora, CO 800420429

Phone: 3034937000

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.