Dr. Robert H. Ziegler, MD
- Medicare services, 2024
- 290
- Medicare patients, 2024
- 206
- Part D claims, 2024
- 385
- Hospital affiliations
- 2
- Industry payments
- $2,989
- Practice address
- 4364 Washington Blvd, Ogden, UT 84403
- Practice phone
- Call (801) 479-4470
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mt Ogden Surgical Center
Ogden, Utah
Find Dr. Ziegler'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. Robert H. Ziegler is a gastroenterologist in Ogden, Utah
Dr. Ziegler practices at Mt Ogden Surgical Center in Ogden, Utah.
Dr. Ziegler's NPI, 1972591790, was assigned on October 6, 2005. Dr. Ziegler graduated from University of Arkansas College of Medicine in 1991. Dr. Ziegler holds Utah license 4806533-1205.
- NPI
- 1972591790NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294922654
- NPI enumeration date
- October 6, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (801) 479-4470
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert H. Ziegler practices at Mt Ogden Surgical Center in Ogden, Utah
Dr. Ziegler's primary practice is Mt Ogden Surgical Center, at 4364 Washington Blvd, Ogden, UT 84403 in Weber County. The practice phone is (801) 479-4470.
- Mt Ogden Surgical Center4364 Washington Blvd, Ogden, UT 84403 · Weber CountyPhone(801) 479-4470
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert H. Ziegler is affiliated with 5 sites of care and 2 medical groups
Dr. Ziegler's primary practice is Mt Ogden Surgical Center in Ogden, Utah. Dr. Ziegler is also affiliated with McKay-Dee Hospital. The medical group on file is Ogden Clinic. Dmand AI also links Dr. Ziegler to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert H. Ziegler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ziegler practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mt Ogden Surgical Center | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert H. Ziegler is one of 132 gastroenterologists in Utah
Gastroenterology is Dr. Ziegler's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Ziegler is licensed in Utah.
Specialties and state licenses
- Gastroenterology, UtahPrimary
Gastroenterologists near Dr. Ziegler
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. Robert H. Ziegler billed Medicare for 290 services in 2024
CMS data shows 290 Medicare services from Dr. Ziegler across 11 procedure codes in 2024, for 206 Medicare patients. Medicare paid $31,157 for them.
Dr. Ziegler's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 2272024: 18021%
- Office and hospital visits
- 2023: 852024: 7512%
- Other services
- 2023: 372024: 355%
Where Dr. Ziegler's Medicare services took place, 2024
- In an office7526%
- In a facility21574%
Dr. Ziegler compared with the Utah median for gastroenterologists, 2024
- Dr. Ziegler
- Utah median
- Medicare services
- 290vs 303Close to median
- Medicare patients
- 206vs 2258% below
- Part D claims
- 302vs 24921% above
Medians across 134 gastroenterologists in Utah with Dmand AI profiles that report each measure.
Dr. Ziegler'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. Ziegler?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ziegler and other gastroenterologists in Utah.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert H. Ziegler treated 206 Medicare patients in 2024, average age 73
CMS counts 206 Medicare patients who saw Dr. Ziegler in 2024. The largest group is 65 to 74, with 113 patients. 66% of them have high blood pressure, and 66% have high cholesterol. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ziegler's median patient age at 60, with 46% women.
Dr. Ziegler's Medicare patients by age, 2024
Dr. Ziegler's Medicare patients by sex, 2024
- Women9948%
- Men10752%
Chronic conditions among Dr. Ziegler's Medicare patients, 2024
- High blood pressure66%
- High cholesterol66%
- Arthritis39%
- Mood disorders30%
- Depression29%
- Diabetes24%
- Anxiety23%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ziegler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women46%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert H. Ziegler wrote 385 Medicare Part D claims in 2024
In 2024, Dr. Ziegler wrote 385 Medicare Part D claims for 250 patients. 68% of them were for generic drugs. CMS names the drug for 302 of them, across 9 drugs with 11 or more claims each, at $18,111 in total drug cost. In 2023, CMS named 224 claims across 7 drugs.
Dr. Ziegler's Part D claims by kind of drug, 2024
- Generic260 claims68%
- Brand-name125 claims32%
Dr. Ziegler'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: 2242024: 30235%
Drugs named by CMS: 9 in 2024, 7 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. Robert H. Ziegler ranks in the 84th percentile for colonoscopy in Medicare
Dr. Ziegler accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 122 procedures of colonoscopy by Dr. Ziegler, more than 84% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Ziegler ranks in Medicare procedure volume
- Colonoscopy
- 84th percentile122 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 69th percentile70 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. Robert H. Ziegler received $2,989 in industry payments from 2016 to 2025
CMS Open Payments shows 182 general payments to Dr. Ziegler from 35 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $930.
General payments to Dr. Ziegler by program year, 2016 to 2025
Companies that paid Dr. Ziegler 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. Robert H. Ziegler graduated from University of Arkansas College of Medicine
Dr. Ziegler graduated from University of Arkansas College of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert H. Ziegler'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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. Robert H. Ziegler
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. Robert H. Ziegler's NPI number?
Dr. Robert H. Ziegler's NPI number is 1972591790. It was assigned on October 6, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert H. Ziegler?
Dr. Robert H. Ziegler is a gastroenterologist in Ogden, Utah. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Robert H. Ziegler practice?
Dr. Ziegler practices at 4364 Washington Blvd, Ogden, UT 84403. Dr. Ziegler's primary practice is Mt Ogden Surgical Center in Ogden, Utah. Dmand AI also links Dr. Ziegler to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Robert H. Ziegler's office phone number?
The practice phone on file for Dr. Ziegler is (801) 479-4470.
What is Dr. Robert H. Ziegler's medical license number?
Dr. Ziegler holds Utah license 4806533-1205.
Which hospitals is Dr. Robert H. Ziegler affiliated with?
Dr. Ziegler is affiliated with McKay-Dee Hospital. Dmand AI links Dr. Ziegler to 1 more hospital.
What medical group is Dr. Robert H. Ziegler part of?
Dr. Ziegler is linked to Ogden Clinic. Dmand AI links Dr. Ziegler to 1 more medical group.
Does Dr. Robert H. Ziegler accept Medicare?
Yes. CMS data shows Dr. Ziegler billed Medicare for 290 services in 2024, and Dr. Ziegler accepts Medicare assignment.
How many Medicare patients does Dr. Robert H. Ziegler see?
CMS counts 206 Medicare patients who saw Dr. Ziegler in 2024, with an average age of 73.
What services does Dr. Robert H. Ziegler bill to Medicare?
In 2024, Dr. Ziegler's most billed Medicare services were office visit, established patient (99213), surgery: digestive system (45385) and surgery: digestive system (43239).
Show 4 more questionsShow fewer questions
Where did Dr. Robert H. Ziegler go to medical school?
Dr. Ziegler graduated from University of Arkansas College of Medicine in 1991.
What drugs does Dr. Robert H. Ziegler prescribe most?
In 2024 Medicare Part D data, Dr. Ziegler's most prescribed drugs by claims were Pantoprazole Sodium, Sod Sulf-Potass Sulf-Mag Sulf and Plenvu.
Has Dr. Robert H. Ziegler received payments from drug or device companies?
CMS Open Payments shows $2,989 in general payments to Dr. Ziegler from 35 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Robert H. Ziegler been practicing?
Dr. Ziegler graduated from medical school in 1991, 35 years ago.
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