Dr. Gordon Victor Ohning, MD

  • Las Vegas, NV
  • Gastroenterologist
NPI1316967961PAC ID4183856008
Medicare services, 2024
157
Medicare patients, 2024
143
Part D claims, 2024
123
Publications
15
Hospital affiliations
1
Practice address
1800 W Charleston Blvd, Las Vegas, NV 89102
Practice phone
Call (702) 383-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

University Medical Center

Hospital · Las Vegas, Nevada

See all 7 affiliations

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Dr. Gordon Victor Ohning is a gastroenterologist in Las Vegas, Nevada

Dr. Ohning practices at University Medical Center in Las Vegas, Nevada, part of Clark County, NV.

Dr. Ohning's NPI, 1316967961, was assigned on July 19, 2006. Dr. Ohning graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1984. Dr. Ohning holds California license G60447.

NPI and contact details
Medicare PAC ID
4183856008
NPI enumeration date
July 19, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(702) 383-2000
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Male
Estimated age
68
Medical school graduation
1984

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Gordon Victor Ohning practices at University Medical Center in Las Vegas, Nevada

Dr. Ohning's primary practice is University Medical Center, at 1800 W Charleston Blvd, Las Vegas, NV 89102 in Clark County. The practice phone is (702) 383-2000.

Source: Dmand AI Affiliation Data

Dr. Gordon Victor Ohning is affiliated with 4 sites of care and 3 medical groups

Dr. Ohning's primary practice is University Medical Center in Las Vegas, Nevada, part of Clark County, NV. The medical group on file is UNLV Health. Dmand AI also links Dr. Ohning to 3 more group practices and clinics and 2 medical groups, each named with a free account.

See all 7 affiliations for Dr. Ohning

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Gordon Victor Ohning's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ohning practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
University Medical CenterAvailable with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Clark County, NV and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Gordon Victor Ohning is one of 107 gastroenterologists in Nevada

Gastroenterology is Dr. Ohning's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Ohning is licensed in California.

Specialties and state licenses

  • Gastroenterology, CaliforniaPrimaryLicense G60447 · taxonomy 207RG0100X

Gastroenterologists near Dr. Ohning

Counts of gastroenterologists 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. Gordon Victor Ohning billed Medicare for 157 services in 2024

CMS data shows 157 Medicare services from Dr. Ohning across 5 procedure codes in 2024, for 143 Medicare patients. Medicare paid $12,055 for them.

Medicare services, 2024157
Medicare patients143
Paid by Medicare$12,055
Procedure codes5

Dr. Ohning's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 762024: 9626%
Surgery
2023: 262024: 3535%
Other services
2023: 02024: 26

Where Dr. Ohning's Medicare services took place, 2024

  • In an office5032%
  • In a facility10768%

Dr. Ohning compared with the Nevada median for gastroenterologists, 2024

  • Dr. Ohning
  • Nevada median
Medicare services
157vs 75879% below
Medicare patients
143vs 40064% below
Part D claims
52vs 59491% below

Medians across 106 gastroenterologists in Nevada with Dmand AI profiles that report each measure.

Dr. Ohning'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.

See all procedures by Dr. Ohning

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

Dr. Gordon Victor Ohning treated 143 Medicare patients in 2024, average age 70

CMS counts 143 Medicare patients who saw Dr. Ohning in 2024. The largest group is 65 to 74, with 58 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 48% are also on Medicaid. Their average risk score is 2.80, 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. Ohning's median patient age at 64, with 50% women.

Medicare patients, 2024143
Average age70
Average risk score2.80
Also on Medicaid48%

Dr. Ohning's Medicare patients by age, 2024

Dr. Ohning's Medicare patients by sex, 2024

  • Women7250%
  • Men7150%

Chronic conditions among Dr. Ohning's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol73%
  3. Diabetes50%
  4. Arthritis46%
  5. Chronic kidney disease41%
  6. Heart failure40%
  7. Ischemic heart disease38%
  8. Anxiety36%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ohning's patients across all payers

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

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women50%
  • Men49%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Gordon Victor Ohning wrote 123 Medicare Part D claims in 2024

In 2024, Dr. Ohning wrote 123 Medicare Part D claims for 48 patients. 57% of them were for generic drugs. CMS names the drug for 52 of them, across 3 drugs with 11 or more claims each, at $224,267 in total drug cost. In 2023, CMS named 35 claims across 2 drugs.

Part D claims, 2024123
Drugs named by CMS3
Total drug cost$224,267
Part D patients48

Dr. Ohning's Part D claims by kind of drug, 2024

  • Generic70 claims57%
  • Brand-name53 claims43%

Dr. Ohning'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 352024: 5249%

Drugs named by CMS: 3 in 2024, 2 in 2023.

See all prescribing by Dr. Ohning

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. Gordon Victor Ohning ranks in the 58th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Ohning accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 36 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Ohning, more than 58% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Ohning ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
58th percentile36 procedures
Colonoscopy
45th percentile16 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Gordon Victor Ohning has 15 publications on record

Dmand AI links 15 papers to Dr. Ohning, published from 2020 to 2023. 2020 was the busiest year, with 4. The most frequent topics are Hepatitis, Autoimmune. Dr. Ohning has published most often in Cureus. Dr. Ohning's most frequent co-authors are Banreet Singh Dhindsa, Amaninder Jeet Singh Dhaliwal, MD and Annie Shiqiong Hong, MD.

Papers15
Years published2020 to 2023

Dr. Ohning's papers by year, 2020 to 2023

Topics Dr. Ohning writes about most

  • Hepatitis, Autoimmune

Dr. Ohning's most frequent co-authors

Recent publications by Dr. Ohning

See all 15 publications and co-authors

See who Dr. Ohning researches with

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

How network discovery works

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

Dr. Gordon Victor Ohning received $804 in industry payments from 2016 to 2025

CMS Open Payments shows 20 general payments to Dr. Ohning from 4 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $326.

General payments to Dr. Ohning by program year, 2016 to 2025

Companies that paid Dr. Ohning the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ohning

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

Dr. Gordon Victor Ohning graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University

Dr. Ohning graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1984.

  1. Medical schoolClvlnd Clinic Lerner College of Med of Case Wstn Rsv University

Source: Dmand AI Professional Profile Data

Sources for Dr. Gordon Victor Ohning'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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)
Training, board certification and membershipsDmand AI Professional Profile Data
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. Gordon Victor Ohning

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. Gordon Victor Ohning's NPI number?

Dr. Gordon Victor Ohning's NPI number is 1316967961. It was assigned on July 19, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Gordon Victor Ohning?

Dr. Gordon Victor Ohning is a gastroenterologist in Las Vegas, Nevada. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Gordon Victor Ohning practice?

Dr. Ohning practices at 1800 W Charleston Blvd, Las Vegas, NV 89102. Dr. Ohning's primary practice is University Medical Center in Las Vegas, Nevada, part of Clark County, NV. Dmand AI also links Dr. Ohning to 3 group practices and clinics and 2 medical groups.

What is Dr. Gordon Victor Ohning's office phone number?

The practice phone on file for Dr. Ohning is (702) 383-2000.

What is Dr. Gordon Victor Ohning's medical license number?

Dr. Ohning holds California license G60447.

Which hospitals is Dr. Gordon Victor Ohning affiliated with?

Dr. Ohning practices at University Medical Center in Las Vegas, Nevada.

What medical group is Dr. Gordon Victor Ohning part of?

Dr. Ohning is linked to UNLV Health. Dmand AI links Dr. Ohning to 2 more medical groups.

Does Dr. Gordon Victor Ohning accept Medicare?

Yes. CMS data shows Dr. Ohning billed Medicare for 157 services in 2024, and Dr. Ohning accepts Medicare assignment.

How many Medicare patients does Dr. Gordon Victor Ohning see?

CMS counts 143 Medicare patients who saw Dr. Ohning in 2024, with an average age of 70.

What services does Dr. Gordon Victor Ohning bill to Medicare?

In 2024, Dr. Ohning's most billed Medicare services were hospital inpatient care (99222), medicare service (G2211) and surgery: digestive system (43239).

Show 6 more questionsShow fewer questions

Where did Dr. Gordon Victor Ohning go to medical school?

Dr. Ohning graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1984.

What drugs does Dr. Gordon Victor Ohning prescribe most?

In 2024 Medicare Part D data, Dr. Ohning's most prescribed drugs by claims were Humira(Cf) Pen, Peg 3350-Electrolyte and Pantoprazole Sodium.

Has Dr. Gordon Victor Ohning received payments from drug or device companies?

CMS Open Payments shows $804 in general payments to Dr. Ohning from 4 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.

How long has Dr. Gordon Victor Ohning been practicing?

Dr. Ohning graduated from medical school in 1984, 42 years ago.

Does Dr. Gordon Victor Ohning do research?

Dmand AI links 15 publications to Dr. Ohning, published from 2020 to 2023.

Who does Dr. Gordon Victor Ohning publish with?

Dr. Ohning's most frequent co-authors are Banreet Singh Dhindsa (6 shared papers), Amaninder Jeet Singh Dhaliwal, MD (5 shared papers) and Annie Shiqiong Hong, MD (5 shared papers).

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