Dr. Barry S. Donner, MD
- Medicare services, 2024
- 1,002
- Medicare patients, 2024
- 487
- Part D claims, 2024
- 1,125
- MIPS score, 2024
- 87
- Hospital affiliations
- 5
- Practice address
- 23141 Moulton Pkwy, Laguna Hills, CA 92653
- Practice phone
- Call (949) 516-0606
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Rhwc Surgery Center, LLC
Laguna Hills, California
Find Dr. Donner'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. Barry S. Donner is a gastroenterologist in Laguna Hills, California
Dr. Donner practices at Rhwc Surgery Center, LLC in Laguna Hills, California.
Dr. Donner's NPI, 1679534796, was assigned on March 29, 2006. Dr. Donner holds California license G47680.
- NPI
- 1679534796NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082682083
- NPI enumeration date
- March 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (949) 516-0606
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Barry S. Donner practices at Rhwc Surgery Center, LLC in Laguna Hills, California
Dr. Donner's primary practice is Rhwc Surgery Center, LLC, at 23141 Moulton Pkwy, Laguna Hills, CA 92653 in Orange County. The practice phone is (949) 516-0606.
- Rhwc Surgery Center, LLC23141 Moulton Pkwy, Laguna Hills, CA 92653 · Orange CountyPhone(949) 516-0606
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Barry S. Donner is affiliated with 12 sites of care and 11 medical groups
Dr. Donner's primary practice is Rhwc Surgery Center, LLC in Laguna Hills, California. Dr. Donner is also affiliated with MemorialCare Saddleback Medical Center. The medical group on file is Optum - Downtown Los Angeles. Dmand AI also links Dr. Donner to 4 more hospitals, 10 medical groups and 6 group practices and clinics, 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. Barry S. Donner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Donner practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rhwc Surgery Center, LLC | Available with a free account |
| +11 more sites and 10 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Barry S. Donner is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Donner's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Donner's licenses on file in 3 states: California, Illinois and Tennessee.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
- Illinois license
- Internal medicine, Tennessee
Gastroenterologists near Dr. Donner
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. Barry S. Donner billed Medicare for 1,002 services in 2024
CMS data shows 1,002 Medicare services from Dr. Donner across 16 procedure codes in 2024, for 487 Medicare patients. Medicare paid $92,497 for them.
Dr. Donner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7212024: 60217%
- Surgery
- 2023: 1732024: 20921%
- Other services
- 2023: 1942024: 1912%
Where Dr. Donner's Medicare services took place, 2024
- In an office34635%
- In a facility65665%
Dr. Donner compared with the California median for gastroenterologists, 2024
- Dr. Donner
- California median
- Medicare services
- 1,002vs 58671% above
- Medicare patients
- 487vs 30261% above
- Part D claims
- 988vs 3802.6 times
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Dr. Donner'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Barry S. Donner treated 487 Medicare patients in 2024, average age 75
CMS counts 487 Medicare patients who saw Dr. Donner in 2024. The largest group is 65 to 74, with 257 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.26, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Donner's median patient age at 68, with 47% women.
Dr. Donner's Medicare patients by age, 2024
Dr. Donner's Medicare patients by sex, 2024
- Women21344%
- Men27456%
Chronic conditions among Dr. Donner's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis43%
- Diabetes29%
- Chronic kidney disease25%
- Ischemic heart disease24%
- Cancer21%
- Anxiety20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Donner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Barry S. Donner wrote 1,125 Medicare Part D claims in 2024
In 2024, Dr. Donner wrote 1,125 Medicare Part D claims for 364 patients. 95% of them were for generic drugs. CMS names the drug for 988 of them, across 16 drugs with 11 or more claims each, at $56,844 in total drug cost. In 2023, CMS named 791 claims across 12 drugs.
Dr. Donner's Part D claims by kind of drug, 2024
- Generic1,065 claims95%
- Brand-name60 claims5%
Dr. Donner'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. Donner's Part D claims, 2024
- Antibiotics2%23 of 1,125 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: 7912024: 98825%
Drugs named by CMS: 16 in 2024, 12 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. Barry S. Donner scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Donner for performance year 2024, reported individually. Dr. Donner accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 115 procedures of colonoscopy by Dr. Donner, more than 83% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Donner's MIPS scores, performance year 2024
- 87of 100Final score
- 74.2of 100Quality
- 79of 100Promoting Interoperability
- 40of 100Improvement Activities
- 100of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Donner ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 80th percentile118 procedures
- Colonoscopy
- 83rd percentile115 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Barry S. Donner received $12,867 in industry payments from 2016 to 2025
CMS Open Payments shows 478 general payments to Dr. Donner from 44 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 76% of the total. Abbvie Inc. paid the most, $3,649.
General payments to Dr. Donner by program year, 2016 to 2025
General payments to Dr. Donner by kind, 2016 to 2025
- Food and beverage$9,73976%
- Consulting fees$2,95023%
- Travel and lodging$1591%
- Education$190%
Companies that paid Dr. Donner the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Barry S. Donner's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Barry S. Donner
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. Barry S. Donner's NPI number?
Dr. Barry S. Donner's NPI number is 1679534796. It was assigned on March 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Barry S. Donner?
Dr. Barry S. Donner is a gastroenterologist in Laguna Hills, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Barry S. Donner practice?
Dr. Donner practices at 23141 Moulton Pkwy, Laguna Hills, CA 92653. Dr. Donner's primary practice is Rhwc Surgery Center, LLC in Laguna Hills, California. Dmand AI also links Dr. Donner to 4 hospitals, 10 medical groups and 6 group practices and clinics.
What is Dr. Barry S. Donner's office phone number?
The practice phone on file for Dr. Donner is (949) 516-0606.
What is Dr. Barry S. Donner's medical license number?
Dr. Donner holds California license G47680, one of the licenses on file in 3 states.
Which states has Dr. Barry S. Donner been licensed in?
Dmand AI has state licenses on file for Dr. Donner in California, Illinois and Tennessee.
Which hospitals is Dr. Barry S. Donner affiliated with?
Dr. Donner is affiliated with MemorialCare Saddleback Medical Center. Dmand AI links Dr. Donner to 4 more hospitals.
What medical group is Dr. Barry S. Donner part of?
Dr. Donner is linked to Optum - Downtown Los Angeles. Dmand AI links Dr. Donner to 10 more medical groups.
Does Dr. Barry S. Donner accept Medicare?
Yes. CMS data shows Dr. Donner billed Medicare for 1,002 services in 2024, and Dr. Donner accepts Medicare assignment.
What is Dr. Barry S. Donner's MIPS score?
Dr. Donner's MIPS final score for performance year 2024 is 87 out of 100, reported individually.
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How many Medicare patients does Dr. Barry S. Donner see?
CMS counts 487 Medicare patients who saw Dr. Donner in 2024, with an average age of 75.
What services does Dr. Barry S. Donner bill to Medicare?
In 2024, Dr. Donner's most billed Medicare services were medicare service (G0500), office visit, new patient (99204) and hospital inpatient care (99232).
What drugs does Dr. Barry S. Donner prescribe most?
In 2024 Medicare Part D data, Dr. Donner's most prescribed drugs by claims were Pantoprazole Sodium, Omeprazole and Diphenoxylate-Atropine.
Has Dr. Barry S. Donner received payments from drug or device companies?
CMS Open Payments shows $12,867 in general payments to Dr. Donner from 44 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Barry S. Donner been practicing?
Dr. Donner graduated from medical school in 1981, 45 years ago.
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