Robert Allyn Duensing
- Medicare services, 2024
- 1,703
- Medicare patients, 2024
- 439
- Part D claims, 2024
- 34
- MIPS score, 2024
- 87
- Hospital affiliations
- 2
- Practice address
- 24411 Health Ctr Dr, #450, Laguna Hills, CA 92653
- Practice phone
- Call (714) 586-9386
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Digestive Care Center - Saddleback Medical Center
Surgery Center - Medicare-Certified · Laguna Hills, California
Find Robert Duensing's professional email, personal email and mobile number
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Robert Allyn Duensing is a vascular surgeon in Laguna Hills, California
Robert Duensing practices at Digestive Care Center - Saddleback Medical Center in Laguna Hills, California.
Robert Duensing's NPI, 1366462756, was assigned on July 20, 2006. Robert Duensing graduated from Medical College of Wisconsin in 1993. Robert Duensing holds California license G81880.
- NPI
- 1366462756NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557340593
- NPI enumeration date
- July 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 586-9386
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Robert Allyn Duensing practices at Digestive Care Center - Saddleback Medical Center in Laguna Hills, California
Robert Duensing's primary practice is Digestive Care Center - Saddleback Medical Center, at 24411 Health Ctr Dr, #450, Laguna Hills, CA 92653. The practice phone is (714) 586-9386.
- Digestive Care Center - Saddleback Medical Center24411 Health Ctr Dr, #450, Laguna Hills, CA 92653Phone(714) 586-9386
Source: Dmand AI Affiliation Data
Robert Allyn Duensing is affiliated with 7 sites of care and 3 medical groups
Robert Duensing's primary practice is Digestive Care Center - Saddleback Medical Center in Laguna Hills, California. Robert Duensing is also affiliated with MemorialCare Saddleback Medical Center. The medical group on file is City of Hope. Dmand AI also links Robert Duensing to 1 more hospital, 3 group practices and clinics, 2 medical groups 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 Robert Allyn Duensing's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Robert Duensing practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Digestive Care Center - Saddleback Medical Center | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Robert Allyn Duensing is one of 532 vascular surgeons in California
Vascular surgery is Robert Duensing's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Robert Duensing is licensed in California.
Specialties and state licenses
- Vascular surgery, CaliforniaPrimary
Vascular surgeons near Robert Duensing
Counts of vascular 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
Robert Allyn Duensing billed Medicare for 1,703 services in 2024
CMS data shows 1,703 Medicare services from Robert Duensing across 18 procedure codes in 2024, for 439 Medicare patients. Medicare paid $266,464 for them.
Robert Duensing's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6882024: 82720%
- Tests and treatments
- 2023: 4192024: 52325%
- Surgery
- 2023: 3652024: 3533%
Where Robert Duensing's Medicare services took place, 2024
- In an office1,67999%
- In a facility241%
Robert Duensing compared with the California median for vascular surgeons, 2024
- Robert Duensing
- California median
- Medicare services
- 1,703vs 6092.8 times
- Medicare patients
- 439vs 27261% above
- Part D claims
- 16vs 5571% below
Medians across 499 vascular surgeons in California with Dmand AI profiles that report each measure.
Robert Duensing'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 Robert Duensing and other vascular surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Robert Allyn Duensing treated 439 Medicare patients in 2024, average age 77
CMS counts 439 Medicare patients who saw Robert Duensing in 2024. The largest group is 75 to 84, with 197 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.69, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Robert Duensing's median patient age at 73, with 61% women.
Robert Duensing's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Robert Duensing's Medicare patients by sex, 2024
- Women27763%
- Men16237%
Chronic conditions among Robert Duensing's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Diabetes31%
- Ischemic heart disease29%
- Chronic kidney disease28%
- Atrial fibrillation25%
- Anxiety24%
Share of Medicare patients with each condition. A patient can have several.
Robert Duensing's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Robert Allyn Duensing wrote 34 Medicare Part D claims in 2024
In 2024, Robert Duensing wrote 34 Medicare Part D claims for 21 patients. 59% of them were for generic drugs. CMS names the drug for 16 of them, across 1 drug with 11 or more claims each, at $262 in total drug cost. In 2022, CMS named 15 claims across 1 drug.
Robert Duensing's Part D claims by kind of drug, 2024
- Generic20 claims59%
- Brand-name14 claims41%
Robert Duensing's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 152023: 167%
Drugs named by CMS: 1 in 2023, 1 in 2022.
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
Robert Allyn Duensing 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 Robert Duensing for performance year 2024, reported as part of a group. Robert Duensing accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 274 procedures of varicose vein removal by Robert Duensing, more than 93% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Robert Duensing's MIPS scores, performance year 2024
- 87of 100Final score
- 62.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 86of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Robert Duensing ranks in Medicare procedure volume
- Varicose vein removal
- 93rd percentile274 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
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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Robert Allyn Duensing received $1,672 in industry payments from 2016 to 2025
CMS Open Payments shows 36 general payments to Robert Duensing from 15 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Silk Road Medical, Inc. paid the most, $383.
General payments to Robert Duensing by program year, 2016 to 2025
Companies that paid Robert Duensing the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Robert Allyn Duensing graduated from Medical College of Wisconsin
Robert Duensing graduated from Medical College of Wisconsin in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Robert Allyn Duensing'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)Clinician Public Reporting: Overall MIPS Performance (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 Robert Allyn Duensing
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Robert Allyn Duensing's NPI number?
Robert Allyn Duensing's NPI number is 1366462756. It was assigned on July 20, 2006, and it is active in the NPI Registry.
What does Robert Allyn Duensing specialize in?
Robert Allyn Duensing is a vascular surgeon in Laguna Hills, California. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Robert Allyn Duensing practice?
Robert Duensing practices at 24411 Health Ctr Dr, #450, Laguna Hills, CA 92653. Robert Duensing's primary practice is Digestive Care Center - Saddleback Medical Center in Laguna Hills, California. Dmand AI also links Robert Duensing to 1 hospital, 3 group practices and clinics, 2 medical groups and 1 ambulatory surgery center.
What is Robert Allyn Duensing's office phone number?
The practice phone on file for Robert Duensing is (714) 586-9386.
What is Robert Allyn Duensing's medical license number?
Robert Duensing holds California license G81880.
Which hospitals is Robert Allyn Duensing affiliated with?
Robert Duensing is affiliated with MemorialCare Saddleback Medical Center. Dmand AI links Robert Duensing to 1 more hospital.
What medical group is Robert Allyn Duensing part of?
Robert Duensing is linked to City of Hope. Dmand AI links Robert Duensing to 2 more medical groups.
Does Robert Allyn Duensing accept Medicare?
Yes. CMS data shows Robert Duensing billed Medicare for 1,703 services in 2024, and Robert Duensing accepts Medicare assignment.
What is Robert Allyn Duensing's MIPS score?
Robert Duensing's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Robert Allyn Duensing see?
CMS counts 439 Medicare patients who saw Robert Duensing in 2024, with an average age of 77.
Show 5 more questionsShow fewer questions
What services does Robert Allyn Duensing bill to Medicare?
In 2024, Robert Duensing's most billed Medicare services were office visit, established patient (99212), office visit, established patient (99213) and blood vessel study (93971).
Where did Robert Allyn Duensing go to medical school?
Robert Duensing graduated from Medical College of Wisconsin in 1993.
What drugs does Robert Allyn Duensing prescribe most?
In 2023 Medicare Part D data, Robert Duensing's most prescribed drugs by claims were Clopidogrel.
Has Robert Allyn Duensing received payments from drug or device companies?
CMS Open Payments shows $1,672 in general payments to Robert Duensing from 15 companies from 2016 to 2025. The largest total came from Silk Road Medical, Inc.
How long has Robert Allyn Duensing been practicing?
Robert Duensing graduated from medical school in 1993, 33 years ago.
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