Dr. Thomas Alexander Herzog, MD
- Medicare services, 2024
- 140
- Medicare patients, 2024
- 143
- Part D claims, 2024
- 145
- Hospital affiliations
- 2
- Industry payments
- $4,477
- Practice address
- 400 W 16th St, Pueblo, CO 81003
- Practice phone
- Call (719) 584-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Herzog's professional email, personal email and mobile number
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Dr. Thomas Alexander Herzog is a general surgeon in Pueblo, Colorado
Dr. Herzog practices at UCHealth Parkview Medical Center in Pueblo, Colorado, part of UCHealth.
Dr. Herzog's NPI, 1366466526, was assigned on July 27, 2006. Dr. Herzog graduated from University of Colorado School of Medicine, Denver in 1995. Dr. Herzog holds Colorado license 38821.
- NPI
- 1366466526NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416857149
- NPI enumeration date
- July 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (719) 584-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas Alexander Herzog practices at UCHealth Parkview Medical Center in Pueblo, Colorado
Dr. Herzog's primary practice is UCHealth Parkview Medical Center, at 400 W 16th St, Pueblo, CO 81003 in Pueblo County. The practice phone is (719) 584-4000.
- UCHealth Parkview Medical Center400 W 16th St, Pueblo, CO 81003 · Pueblo CountyPhone(719) 584-4000
Source: Dmand AI Affiliation Data
Dr. Thomas Alexander Herzog is affiliated with 6 sites of care and 3 medical groups
Dr. Herzog's primary practice is UCHealth Parkview Medical Center in Pueblo, Colorado, part of UCHealth. Dr. Herzog is also affiliated with Arkansas Valley Regional Medical Center. The medical group on file is UCHealth Medical Group. Dmand AI also links Dr. Herzog to 2 more group practices and clinics, 2 medical groups, 1 breast imaging center and 1 ambulatory surgery center, 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. Thomas Alexander Herzog's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Herzog practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCHealth Parkview Medical Center | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas Alexander Herzog is one of 504 general surgeons in Colorado
Surgery is Dr. Herzog's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Herzog is licensed in Colorado.
Specialties and state licenses
- Surgery, ColoradoPrimary
General surgeons near Dr. Herzog
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. Thomas Alexander Herzog billed Medicare for 140 services in 2024
CMS data shows 140 Medicare services from Dr. Herzog across 6 procedure codes in 2024, for 143 Medicare patients. Medicare paid $11,431 for them.
Dr. Herzog's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1112024: 14026%
Where Dr. Herzog's Medicare services took place, 2024
- In an office7151%
- In a facility6949%
Dr. Herzog compared with the Colorado median for general surgeons, 2024
- Dr. Herzog
- Colorado median
- Medicare services
- 140vs 10928% above
- Medicare patients
- 143vs 10438% above
- Part D claims
- 107vs 313.5 times
Medians across 491 general surgeons in Colorado with Dmand AI profiles that report each measure.
Dr. Herzog'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Herzog and other general surgeons in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas Alexander Herzog treated 143 Medicare patients in 2024, average age 73
CMS counts 143 Medicare patients who saw Dr. Herzog in 2024. The largest group is 65 to 74, with 65 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 27% are also on Medicaid. Their average risk score is 1.63, 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. Herzog's median patient age at 71, with 54% women.
Dr. Herzog's Medicare patients by age, 2024
Dr. Herzog's Medicare patients by sex, 2024
- Women6042%
- Men8358%
Chronic conditions among Dr. Herzog's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis52%
- Diabetes36%
- COPD31%
- Chronic kidney disease31%
- Anxiety30%
- Mood disorders30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Herzog's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas Alexander Herzog wrote 145 Medicare Part D claims in 2024
In 2024, Dr. Herzog wrote 145 Medicare Part D claims for 82 patients. 76% of them were for generic drugs. CMS names the drug for 107 of them, across 5 drugs with 11 or more claims each, at $13,062 in total drug cost. In 2023, CMS named 24 claims across 1 drug.
Dr. Herzog's Part D claims by kind of drug, 2024
- Generic110 claims76%
- Brand-name35 claims24%
Dr. Herzog'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.
Drug classes CMS tracks in Dr. Herzog's Part D claims, 2024
- Opioids27%39 of 145 claims
- Antibiotics13%19 of 145 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 242024: 107346%
Drugs named by CMS: 5 in 2024, 1 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. Thomas Alexander Herzog ranks in the 72nd percentile for removal of tissue in Medicare
Dr. Herzog accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 27 procedures of removal of tissue by Dr. Herzog, more than 72% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Herzog ranks in Medicare procedure volume
- Removal of tissue
- 72nd percentile27 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Thomas Alexander Herzog received $4,477 in industry payments from 2017 to 2025
CMS Open Payments shows 28 general payments to Dr. Herzog from 10 drug and device companies from 2017 to 2025. Travel and lodging make up the largest share, 35% of the total. Intuitive Surgical, Inc. paid the most, $3,346.
General payments to Dr. Herzog by program year, 2017 to 2025
General payments to Dr. Herzog by kind, 2017 to 2025
- Travel and lodging$1,56135%
- Food and beverage$1,46933%
- Education$1,15626%
- Speaker and faculty fees$2756%
- Gifts$160%
Companies that paid Dr. Herzog the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas Alexander Herzog graduated from University of Colorado School of Medicine, Denver
Dr. Herzog graduated from University of Colorado School of Medicine, Denver in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas Alexander Herzog'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)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. Thomas Alexander Herzog
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 Alexander Herzog's NPI number?
Dr. Thomas Alexander Herzog's NPI number is 1366466526. It was assigned on July 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Alexander Herzog?
Dr. Thomas Alexander Herzog is a general surgeon in Pueblo, Colorado. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Thomas Alexander Herzog practice?
Dr. Herzog practices at 400 W 16th St, Pueblo, CO 81003. Dr. Herzog's primary practice is UCHealth Parkview Medical Center in Pueblo, Colorado, part of UCHealth. Dmand AI also links Dr. Herzog to 2 group practices and clinics, 2 medical groups, 1 breast imaging center and 1 ambulatory surgery center.
What is Dr. Thomas Alexander Herzog's office phone number?
The practice phone on file for Dr. Herzog is (719) 584-4000.
What is Dr. Thomas Alexander Herzog's medical license number?
Dr. Herzog holds Colorado license 38821.
Which hospitals is Dr. Thomas Alexander Herzog affiliated with?
Dr. Herzog practices at UCHealth Parkview Medical Center in Pueblo, Colorado. Dr. Herzog is also affiliated with Arkansas Valley Regional Medical Center.
What medical group is Dr. Thomas Alexander Herzog part of?
Dr. Herzog is linked to UCHealth Medical Group. Dmand AI links Dr. Herzog to 2 more medical groups.
Does Dr. Thomas Alexander Herzog accept Medicare?
Yes. CMS data shows Dr. Herzog billed Medicare for 140 services in 2024, and Dr. Herzog accepts Medicare assignment.
How many Medicare patients does Dr. Thomas Alexander Herzog see?
CMS counts 143 Medicare patients who saw Dr. Herzog in 2024, with an average age of 73.
What services does Dr. Thomas Alexander Herzog bill to Medicare?
In 2024, Dr. Herzog's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99231) and office visit, new patient (99203).
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Where did Dr. Thomas Alexander Herzog go to medical school?
Dr. Herzog graduated from University of Colorado School of Medicine, Denver in 1995.
What drugs does Dr. Thomas Alexander Herzog prescribe most?
In 2024 Medicare Part D data, Dr. Herzog's most prescribed drugs by claims were Sod Sulf-Potass Sulf-Mag Sulf, Oxycodone HCl and Santyl.
Has Dr. Thomas Alexander Herzog received payments from drug or device companies?
CMS Open Payments shows $4,477 in general payments to Dr. Herzog from 10 companies from 2017 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Thomas Alexander Herzog been practicing?
Dr. Herzog graduated from medical school in 1995, 31 years ago.
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