Dr. Thomas W. Umbach, MD

  • Advance, NC
  • General surgeon
NPI1285668319
Medicare services, 2019
24
Part D claims, 2016
58
Publications
2
Industry payments
$5,091
Affiliated sites
1
Practice address
3235 E Warm Springs Rd Ste 175 Suite 175, Las Vegas, NV 89120-3187
Practice phone
Call (702) 463-3300
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Pecos Medical Group

Physician office · Las Vegas, Nevada

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Dr. Thomas W. Umbach is a general surgeon in Advance, North Carolina

Dr. Umbach practices at Pecos Medical Group in Las Vegas, Nevada.

Dr. Umbach's NPI, 1285668319, was assigned on July 11, 2006. Dr. Umbach holds Nevada license 12712.

NPI and contact details
NPI enumeration date
July 11, 2006
NPI status
Active
Practice phone
(702) 463-3300
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Thomas W. Umbach practices in Las Vegas and Advance

Dr. Umbach's primary practice is Pecos Medical Group, at 3235 E Warm Springs Rd Ste 175 Suite 175, Las Vegas, NV 89120-3187. The practice phone is (702) 463-3300. The NPI Registry lists Dr. Umbach's practice address as 329 Nc-801 N, Advance, NC 27006.

  • Pecos Medical GroupPrimary
    3235 E Warm Springs Rd Ste 175 Suite 175, Las Vegas, NV 89120-3187Phone(702) 463-3300
  • NPI Registry address
    329 Nc-801 N, Advance, NC 27006 · Davie CountyPhone(702) 463-3300

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Dr. Thomas W. Umbach is affiliated with 1 site of care

Dr. Umbach's primary practice is Pecos Medical Group in Las Vegas, Nevada.

Pecos Medical GroupPhysician office · Las Vegas, NevadaPrimary

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Thomas W. Umbach's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Umbach practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Pecos Medical GroupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Thomas W. Umbach is one of 1,053 general surgeons in North Carolina

Surgery is Dr. Umbach's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Umbach is licensed in Nevada.

Specialties and state licenses

  • Surgery, NevadaPrimaryLicense 12712 · taxonomy 208600000X

General surgeons near Dr. Umbach

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 W. Umbach billed Medicare for 24 services in 2019

CMS data shows 24 Medicare services from Dr. Umbach across 2 procedure codes in 2019. Medicare paid $173 for them. Every service was in an office.

Medicare services, 201924
Paid by Medicare$173
Procedure codes2

Dr. Umbach's Medicare services by type, 2018 to 2019

  • 2018
  • 2019
Lab and pathology
2018: 2632019: 1295%
Surgery
2018: 782019: 1285%
Drugs given in the office
2018: 1712019: 0100%
Imaging
2018: 282019: 0100%
Tests and treatments
2018: 4272019: 0100%
Office and hospital visits
2018: 1022019: 0100%

Dr. Umbach compared with the North Carolina median for general surgeons, 2019

  • Dr. Umbach
  • North Carolina median
Medicare services
24vs 15184% below
Part D claims
58vs 4141% above

Medians across 950 general surgeons in North Carolina with Dmand AI profiles that report each measure.

Dr. Umbach's most billed Medicare procedure codes, 2019

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. Umbach and other general surgeons in North Carolina.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Thomas W. Umbach's patients have a median age of 62

Across all payers, Dmand AI patient panel data puts Dr. Umbach's median patient age at 62, with 100% women.

Dr. Umbach's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women100%
  • Men0%

Source: Dmand AI Patient Panel Data

Dr. Thomas W. Umbach wrote 58 Medicare Part D claims in 2016

In 2016, Dr. Umbach wrote 58 Medicare Part D claims. They cover 3 drugs, with $723 in total drug cost.

Part D claims, 201658
Drugs named by CMS3
Total drug cost$723

Dr. Umbach's most prescribed drugs by claims, 2016

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

See all prescribing by Dr. Umbach

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Thomas W. Umbach has 2 publications on record

Dmand AI links 2 papers to Dr. Umbach, published from 2018 to 2024. The most frequent topics are Bariatric Surgery, Gastrectomy and Laparoscopy. Dr. Umbach's most frequent co-authors are Matthew Elliot Apel, MD, Daniel Rhead Cottam, MD and Michael D. Williams, DO.

Papers2
Years published2018 to 2024

Topics Dr. Umbach writes about most

  • Bariatric Surgery
  • Gastrectomy
  • Laparoscopy
  • Obesity, Morbid
  • Postoperative Complications

Dr. Umbach's most frequent co-authors

Recent publications by Dr. Umbach

See all 2 publications and co-authors

See who Dr. Umbach researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Umbach works with, so you can find a warm path to the right general surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Thomas W. Umbach received $5,091 in industry payments from 2016 to 2023

CMS Open Payments shows 27 general payments to Dr. Umbach from 13 drug and device companies from 2016 to 2023. Speaker and faculty fees make up the largest share, 44% of the total. Covidien Sales LLC paid the most, $2,250.

General payments to Dr. Umbach by program year, 2016 to 2023

General payments to Dr. Umbach by kind, 2016 to 2023

$5.1Kin total
  • Speaker and faculty fees$2,25044%
  • Food and beverage$1,33926%
  • Travel and lodging$76115%
  • Consulting fees$74015%

Companies that paid Dr. Umbach the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Umbach

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Thomas W. Umbach's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Thomas W. Umbach

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 W. Umbach's NPI number?

Dr. Thomas W. Umbach's NPI number is 1285668319. It was assigned on July 11, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Thomas W. Umbach?

Dr. Thomas W. Umbach is a general surgeon in Advance, North Carolina. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Thomas W. Umbach practice?

Dr. Umbach practices at 3235 E Warm Springs Rd Ste 175 Suite 175, Las Vegas, NV 89120-3187. Dr. Umbach also practices at 329 Nc-801 N, Advance, NC 27006. Dr. Umbach's primary practice is Pecos Medical Group in Las Vegas, Nevada.

What is Dr. Thomas W. Umbach's office phone number?

The practice phone on file for Dr. Umbach is (702) 463-3300.

What is Dr. Thomas W. Umbach's medical license number?

Dr. Umbach holds Nevada license 12712.

Does Dr. Thomas W. Umbach accept Medicare?

Yes. CMS data shows Dr. Umbach billed Medicare for 24 services in 2019.

What services does Dr. Thomas W. Umbach bill to Medicare?

In 2019, Dr. Umbach's most billed Medicare services were surgery: heart and blood vessels (36415) and lab and pathology test (80053).

What drugs does Dr. Thomas W. Umbach prescribe most?

In 2016 Medicare Part D data, Dr. Umbach's most prescribed drugs by claims were Ondansetron HCl, Hydrocodone-Acetaminophen and Sucralfate.

Has Dr. Thomas W. Umbach received payments from drug or device companies?

CMS Open Payments shows $5,091 in general payments to Dr. Umbach from 13 companies from 2016 to 2023. The largest total came from Covidien Sales LLC.

How long has Dr. Thomas W. Umbach been practicing?

Dr. Umbach's NPI was assigned in 2006.

Does Dr. Thomas W. Umbach do research?

Dmand AI links 2 publications to Dr. Umbach, published from 2018 to 2024.

Who does Dr. Thomas W. Umbach publish with?

Dr. Umbach's most frequent co-authors are Matthew Elliot Apel, MD (2 shared papers), Daniel Rhead Cottam, MD (2 shared papers) and Michael D. Williams, DO (2 shared papers).

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