Anastomosis, Roux-en-YBile DuctsCholedochostomy
Dr. Thomas E. Bak, MD
NPI1457445785PAC ID5193796779
- Medicare services, 2024
- 35
- Medicare patients, 2024
- 45
- Part D claims, 2018
- 14
- Publications
- 6
- Hospital affiliations
- 1
- Practice address
- 12605 E 16th Ave, Aurora, CO 80045
- Practice phone
- Call (720) 848-0000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Bak's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Thomas E. Bak is a transplant surgery physician in Aurora, Colorado
Dr. Bak practices at UCHealth University of Colorado Hospital in Aurora, Colorado, part of UCHealth.
Dr. Bak's NPI, 1457445785, was assigned on October 3, 2006. Dr. Bak graduated from Tulane University School of Medicine in 1988. Dr. Bak holds Colorado license 33648.
NPI and contact details
- NPI
- 1457445785NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193796779
- NPI enumeration date
- October 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (720) 848-0000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas E. Bak practices at UCHealth University of Colorado Hospital in Aurora, Colorado
Dr. Bak's primary practice is UCHealth University of Colorado Hospital, at 12605 E 16th Ave, Aurora, CO 80045 in Adams County. The practice phone is (720) 848-0000.
- UCHealth University of Colorado Hospital12605 E 16th Ave, Aurora, CO 80045 · Adams CountyPhone(720) 848-0000
Source: Dmand AI Affiliation Data
Dr. Thomas E. Bak is affiliated with 1 site of care and 1 medical group
Dr. Bak's primary practice is UCHealth University of Colorado Hospital in Aurora, Colorado, part of UCHealth. The medical group on file is University of Colorado Medicine (CU Medicine).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas E. Bak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bak practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCHealth University of Colorado Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Bak practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across UCHealth and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Thomas E. Bak is one of 18 transplant surgery physicians in Colorado
Transplant surgery is Dr. Bak's primary specialty in the NPI Registry, under taxonomy code 204F00000X. Dr. Bak is licensed in Colorado.
Specialties and state licenses
- Transplant surgery, ColoradoPrimary
Transplant surgery physicians near Dr. Bak
Counts of transplant surgery physicians with a Dmand AI profile, by place and practice. Each opens the list.
18transplant surgery physicians in Colorado10transplant surgery physicians in Aurora9transplant surgery physicians at UCHealth University of Colorado Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Thomas E. Bak billed Medicare for 35 services in 2024
CMS data shows 35 Medicare services from Dr. Bak across 2 procedure codes in 2024, for 45 Medicare patients. Medicare paid $18,409 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202435
Medicare patients45
Paid by Medicare$18,409
Procedure codes2
Dr. Bak's Medicare services by type, 2022 to 2024
- 2022
- 2024
- Office and hospital visits
- 2022: 472024: 2449%
- Surgery
- 2022: 02024: 11
Dr. Bak compared with the Colorado median for transplant surgery physicians, 2024
- Dr. Bak
- Colorado median
- Medicare services
- 35vs 4522% below
- Medicare patients
- 45vs 3818% above
- Part D claims
- 14vs 1926% below
Medians across 19 transplant surgery physicians in Colorado with Dmand AI profiles that report each measure.
Dr. Bak'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.
Need commercial claims for Dr. Bak?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bak and other transplant surgery physicians in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas E. Bak treated 45 Medicare patients in 2024, average age 53
CMS counts 45 Medicare patients who saw Dr. Bak in 2024. The largest group is under 65, with 34 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 40% are also on Medicaid. Their average risk score is 8.39, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Bak's median patient age at 59, with 41% women.
Medicare patients, 202445
Average age53
Average risk score8.39
Also on Medicaid40%
Dr. Bak's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Bak's Medicare patients by sex, 2024
- Women1533%
- Men3067%
Chronic conditions among Dr. Bak's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes53%
- Ischemic heart disease42%
- Arthritis36%
- Mood disorders36%
- Depression33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women41%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas E. Bak wrote 14 Medicare Part D claims in 2018
In 2018, Dr. Bak wrote 14 Medicare Part D claims. They cover 1 drug, with $90 in total drug cost.
Part D claims, 201814
Drugs named by CMS1
Total drug cost$90
Dr. Bak's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Thomas E. Bak takes part in Medicare
Dr. Bak accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Find transplant surgery physicians like Dr. Bak by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Thomas E. Bak has 6 publications on record
Dmand AI links 6 papers to Dr. Bak, published from 2020 to 2022. 2020 was the busiest year, with 3. The most frequent topics are Liver Transplantation, Graft Survival and Predictive Value of Tests. Dr. Bak has published most often in Am J Surg. Dr. Bak's most frequent co-authors are Trevor Lee Nydam, MD, Kendra Diane Conzen, MD and Megan A. Adams, MD.
Papers6
Years published2020 to 2022
Topics Dr. Bak writes about most
- Liver Transplantation
- Graft Survival
- Predictive Value of Tests
- Thrombelastography
Dr. Bak's most frequent co-authors
- Trevor Lee Nydam, MD6 shared papers
- Kendra Diane Conzen, MD5 shared papers
- Megan A. Adams, MD4 shared papers
Recent publications by Dr. Bak
Blood Coagulation DisordersBlood Component TransfusionHemostatic Techniques
Blood CoagulationKidney Failure, ChronicKidney Function Tests
World J Gastroenterol
Airway ExtubationCause of DeathCholestasis
See who Dr. Bak researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bak works with, so you can find a warm path to the right transplant surgery physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thomas E. Bak received $1,085 in industry payments from 2016 to 2025
CMS Open Payments shows 11 general payments to Dr. Bak from 4 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Ethicon Inc. paid the most, $544.
General payments to Dr. Bak by program year, 2016 to 2025
Companies that paid Dr. Bak the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas E. Bak graduated from Tulane University School of Medicine
Dr. Bak graduated from Tulane University School of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas E. Bak'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Thomas E. Bak
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. Thomas E. Bak's NPI number?
Dr. Thomas E. Bak's NPI number is 1457445785. It was assigned on October 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas E. Bak?
Dr. Thomas E. Bak is a transplant surgery physician in Aurora, Colorado. The primary specialty in the NPI Registry is Transplant Surgery Physician (taxonomy code 204F00000X).
Where does Dr. Thomas E. Bak practice?
Dr. Bak practices at 12605 E 16th Ave, Aurora, CO 80045. Dr. Bak's primary practice is UCHealth University of Colorado Hospital in Aurora, Colorado, part of UCHealth.
What is Dr. Thomas E. Bak's office phone number?
The practice phone on file for Dr. Bak is (720) 848-0000.
What is Dr. Thomas E. Bak's medical license number?
Dr. Bak holds Colorado license 33648.
Which hospitals is Dr. Thomas E. Bak affiliated with?
Dr. Bak practices at UCHealth University of Colorado Hospital in Aurora, Colorado.
What medical group is Dr. Thomas E. Bak part of?
Dr. Bak is linked to University of Colorado Medicine (CU Medicine).
Does Dr. Thomas E. Bak accept Medicare?
Yes. CMS data shows Dr. Bak billed Medicare for 35 services in 2024, and Dr. Bak accepts Medicare assignment.
How many Medicare patients does Dr. Thomas E. Bak see?
CMS counts 45 Medicare patients who saw Dr. Bak in 2024, with an average age of 53.
What services does Dr. Thomas E. Bak bill to Medicare?
In 2024, Dr. Bak's most billed Medicare services were hospital inpatient care (99231) and surgery: urinary system (50547).
Show 6 more questionsShow fewer questions
Where did Dr. Thomas E. Bak go to medical school?
Dr. Bak graduated from Tulane University School of Medicine in 1988.
What drugs does Dr. Thomas E. Bak prescribe most?
In 2018 Medicare Part D data, Dr. Bak's most prescribed drugs by claims were Sulfamethoxazole-Trimethoprim.
Has Dr. Thomas E. Bak received payments from drug or device companies?
CMS Open Payments shows $1,085 in general payments to Dr. Bak from 4 companies from 2016 to 2025. The largest total came from Ethicon Inc.
How long has Dr. Thomas E. Bak been practicing?
Dr. Bak graduated from medical school in 1988, 38 years ago.
Does Dr. Thomas E. Bak do research?
Dmand AI links 6 publications to Dr. Bak, published from 2020 to 2022.
Who does Dr. Thomas E. Bak publish with?
Dr. Bak's most frequent co-authors are Trevor Lee Nydam, MD (6 shared papers), Kendra Diane Conzen, MD (5 shared papers) and Megan A. Adams, MD (4 shared papers).
Selling to transplant surgery practices?
See transplant surgery physicians in Colorado by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card