Dr. Vincent R. Fennell, MD
- Medicare services, 2024
- 5,826
- Medicare patients, 2024
- 5,503
- Part D claims, 2024
- 19
- MIPS score, 2024
- 92
- Industry payments
- $35
- Practice address
- 18133 Ventura Blvd. Ste 400, Tarzana, CA 91356
- Practice phone
- Call (714) 635-6272
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
United Pacific Surgery Center
Surgery Center - Medicare-Certified · Tarzana, California
Find Dr. Fennell's professional email, personal email and mobile number
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Dr. Vincent R. Fennell is a diagnostic radiologist in Tarzana, California
Dr. Fennell practices at United Pacific Surgery Center in Tarzana, California.
Dr. Fennell's NPI, 1497798839, was assigned on June 14, 2006. Dr. Fennell graduated from David Geffen School of Medicine at UCLA in 1965. Dr. Fennell's California license number on file is A22155.
- NPI
- 1497798839NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820992753
- NPI enumeration date
- June 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 635-6272
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 87
- Medical school graduation
- 1965
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Vincent R. Fennell practices at United Pacific Surgery Center in Tarzana, California
Dr. Fennell's primary practice is United Pacific Surgery Center, at 18133 Ventura Blvd. Ste 400, Tarzana, CA 91356. The practice phone is (714) 635-6272.
- United Pacific Surgery Center18133 Ventura Blvd. Ste 400, Tarzana, CA 91356Phone(714) 635-6272
Source: Dmand AI Affiliation Data
Dr. Vincent R. Fennell is affiliated with 10 sites of care and 9 medical groups
Dr. Fennell's primary practice is United Pacific Surgery Center in Tarzana, California. The medical group on file is Cedars-Sinai Medical Group. Dmand AI also links Dr. Fennell to 9 more group practices and clinics and 8 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Vincent R. Fennell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fennell practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| United Pacific Surgery Center | Available with a free account |
| +9 more sites and 8 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Vincent R. Fennell is one of 4,096 diagnostic radiologists in California
Diagnostic radiology is Dr. Fennell's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Fennell is board certified in nuclear medicine by the American Board of Nuclear Medicine. Dmand AI has Dr. Fennell's licenses on file in 3 states: California, Arizona and Colorado.
Specialties and state licenses
- Diagnostic radiology, CaliforniaPrimary
- Arizona license
- Colorado license
Diagnostic radiologists near Dr. Fennell
Counts of diagnostic radiologists 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. Vincent R. Fennell billed Medicare for 5,826 services in 2024
CMS data shows 5,826 Medicare services from Dr. Fennell across 38 procedure codes in 2024, for 5,503 Medicare patients. Medicare paid $414,320 for them. Every service was in an office.
Dr. Fennell's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 3,1952024: 4,86352%
- Tests and treatments
- 2023: 3842024: 963151%
Dr. Fennell compared with the California median for diagnostic radiologists, 2024
- Dr. Fennell
- California median
- Medicare services
- 5,826vs 2,2812.6 times
- Medicare patients
- 5,503vs 1,3464.1 times
- Part D claims
- 13vs 147% below
Medians across 3,734 diagnostic radiologists in California with Dmand AI profiles that report each measure.
Dr. Fennell'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 Dr. Fennell and other diagnostic radiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Vincent R. Fennell treated 5,503 Medicare patients in 2024, average age 73
CMS counts 5,503 Medicare patients who saw Dr. Fennell in 2024. The largest group is 65 to 74, with 2,864 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 44% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Fennell's median patient age at 60, with 83% women.
Dr. Fennell's Medicare patients by age, 2024
Dr. Fennell's Medicare patients by sex, 2024
- Women4,35879%
- Men1,14521%
Chronic conditions among Dr. Fennell's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Diabetes39%
- Osteoporosis33%
- Ischemic heart disease31%
- Mood disorders29%
- Depression27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fennell'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
- Women83%
- Men16%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Vincent R. Fennell wrote 19 Medicare Part D claims in 2024
In 2024, Dr. Fennell wrote 19 Medicare Part D claims. 95% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $1,299 in total drug cost.
Dr. Fennell's Part D claims by kind of drug, 2024
- Generic18 claims95%
- Brand-name and other1 claims5%
Dr. Fennell'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.
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. Vincent R. Fennell scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Fennell for performance year 2024, reported as part of a group. Dr. Fennell accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Fennell's MIPS scores, performance year 2024
- 92of 100Final score
- 75of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Vincent R. Fennell received $35 in industry payments from 2022 to 2024
CMS Open Payments shows 2 general payments to Dr. Fennell from 2 drug and device companies from 2022 to 2024. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $23.
General payments to Dr. Fennell by program year, 2022 to 2024
Companies that paid Dr. Fennell the most, 2022 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Vincent R. Fennell graduated from David Geffen School of Medicine at UCLA
Dr. Fennell graduated from David Geffen School of Medicine at UCLA in 1965.
- Medical school
- Board certified in nuclear medicine
- Board certified in diagnostic radiology
Source: Dmand AI Professional Profile Data
Dr. Vincent R. Fennell accepts plans from 3 insurance carriers
Dr. Fennell is in network with 3 carriers, including Blue Cross Blue Shield of Massachusetts, Blue Cross Blue Shield of Michigan and CMS Medicare. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- CMS Medicare
Plan types Dr. Fennell accepts, by number of carriers
- Medicare3
- PPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Vincent R. Fennell'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Vincent R. Fennell
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. Vincent R. Fennell's NPI number?
Dr. Vincent R. Fennell's NPI number is 1497798839. It was assigned on June 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Vincent R. Fennell?
Dr. Vincent R. Fennell is a diagnostic radiologist in Tarzana, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Vincent R. Fennell practice?
Dr. Fennell practices at 18133 Ventura Blvd. Ste 400, Tarzana, CA 91356. Dr. Fennell's primary practice is United Pacific Surgery Center in Tarzana, California. Dmand AI also links Dr. Fennell to 9 group practices and clinics and 8 medical groups.
What is Dr. Vincent R. Fennell's office phone number?
The practice phone on file for Dr. Fennell is (714) 635-6272.
What is Dr. Vincent R. Fennell's medical license number?
Dr. Fennell's California license number on file is A22155, one of the licenses on file in 3 states.
Which states has Dr. Vincent R. Fennell been licensed in?
Dmand AI has state licenses on file for Dr. Fennell in California (1966 to 2025), Arizona (since 1995) and Colorado (2005 to 2015).
What medical group is Dr. Vincent R. Fennell part of?
Dr. Fennell is linked to Cedars-Sinai Medical Group. Dmand AI links Dr. Fennell to 8 more medical groups.
Does Dr. Vincent R. Fennell accept Medicare?
Yes. CMS data shows Dr. Fennell billed Medicare for 5,826 services in 2024, and Dr. Fennell accepts Medicare assignment.
What is Dr. Vincent R. Fennell's MIPS score?
Dr. Fennell's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.
How many Medicare patients does Dr. Vincent R. Fennell see?
CMS counts 5,503 Medicare patients who saw Dr. Fennell in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
Is Dr. Vincent R. Fennell board certified?
Yes. Dr. Fennell is board certified in nuclear medicine by the American Board of Nuclear Medicine.
What services does Dr. Vincent R. Fennell bill to Medicare?
In 2024, Dr. Fennell's most billed Medicare services were radiation oncology (77080), ultrasound (76536) and blood vessel study (93925).
Where did Dr. Vincent R. Fennell go to medical school?
Dr. Fennell graduated from David Geffen School of Medicine at UCLA in 1965.
What drugs does Dr. Vincent R. Fennell prescribe most?
In 2016 Medicare Part D data, Dr. Fennell's most prescribed drugs by claims were Zolmitriptan.
Has Dr. Vincent R. Fennell received payments from drug or device companies?
CMS Open Payments shows $35 in general payments to Dr. Fennell from 2 companies from 2022 to 2024. The largest total came from Medtronic, Inc.
How long has Dr. Vincent R. Fennell been practicing?
Dr. Fennell graduated from medical school in 1965, 61 years ago.
What insurance does Dr. Vincent R. Fennell accept?
Dr. Fennell is in network with 3 carriers, including Blue Cross Blue Shield of Massachusetts, Blue Cross Blue Shield of Michigan and CMS Medicare. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
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