Brain IschemiaMedication AdherencePatient Readmission
Dr. William Patrick Neil, MD
NPI1770791964PAC ID7416127964
- Medicare services, 2016
- 25
- Part D claims, 2024
- 75
- Publications
- 8
- Clinical trials
- 1
- Hospital affiliations
- 1
- Practice address
- 9455 Clairemont Mesa Blvd, San Diego, CA 92123
- Practice phone
- Call (619) 528-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente San Diego Medical Center
San Diego, California
Find Dr. Neil's professional email, personal email and mobile number
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Dr. William Patrick Neil is a neurologist in San Diego, California
Dr. Neil practices at Kaiser Permanente San Diego Medical Center in San Diego, California.
Dr. Neil's NPI, 1770791964, was assigned on May 19, 2007. Dr. Neil graduated from Albany Medical College in 2006. Dr. Neil holds California license A111200.
NPI and contact details
- NPI
- 1770791964NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416127964
- NPI enumeration date
- May 19, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (619) 528-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Patrick Neil practices at Kaiser Permanente San Diego Medical Center in San Diego, California
Dr. Neil's primary practice is Kaiser Permanente San Diego Medical Center, at 9455 Clairemont Mesa Blvd, San Diego, CA 92123 in San Diego County. The practice phone is (619) 528-5000.
- Kaiser Permanente San Diego Medical Center9455 Clairemont Mesa Blvd, San Diego, CA 92123 · San Diego CountyPhone(619) 528-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William Patrick Neil is affiliated with 3 sites of care and 1 medical group
Dr. Neil's primary practice is Kaiser Permanente San Diego Medical Center in San Diego, California. Dr. Neil is also affiliated with Kaiser Permanente Zion Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Neil to 1 more group practice or clinic, named with a free account.
Kaiser Permanente San Diego Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William Patrick Neil's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Neil practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente San Diego Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Patrick Neil is one of 2,207 neurologists in California
Neurology is Dr. Neil's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Neil is board certified in neurology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Neil's licenses on file in 2 states: California and Pennsylvania.
Specialties and state licenses
- Neurology, CaliforniaPrimary
- Pennsylvania license
Neurologists near Dr. Neil
Counts of neurologists 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. William Patrick Neil billed Medicare for 25 services in 2016
CMS data shows 25 Medicare services from Dr. Neil across 2 procedure codes in 2016. Medicare paid $1,908 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 201625
Paid by Medicare$1,908
Procedure codes2
Dr. Neil compared with the California median for neurologists, 2016
- Dr. Neil
- California median
- Medicare services
- 25vs 40494% below
- Part D claims
- 19vs 32494% below
Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.
Dr. Neil's most billed Medicare procedure codes, 2016
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. Neil and other neurologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Patrick Neil's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Neil's median patient age at 61, with 58% women.
Dr. Neil's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women58%
- Men41%
Source: Dmand AI Patient Panel Data
Dr. William Patrick Neil wrote 75 Medicare Part D claims in 2024
In 2024, Dr. Neil wrote 75 Medicare Part D claims for 20 patients. 96% of them were for generic drugs. CMS names the drug for 19 of them, across 1 drug with 11 or more claims each, at $753 in total drug cost. In 2023, CMS named 57 claims across 3 drugs.
Part D claims, 202475
Drugs named by CMS1
Total drug cost$753
Part D patients20
Dr. Neil's Part D claims by kind of drug, 2024
- Generic72 claims96%
- Brand-name and other3 claims4%
Dr. Neil'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: 572024: 1967%
Drugs named by CMS: 1 in 2024, 3 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
How Dr. William Patrick Neil takes part in Medicare
Dr. Neil accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. William Patrick Neil has 8 publications on record
Dmand AI links 8 papers to Dr. Neil, published from 2011 to 2018. 2011 was the busiest year, with 2. The most frequent topics are Brain Ischemia and Stroke. Dr. Neil's most frequent co-authors are Nhu T. Bruce, MD, Thomas Martin Hemmen, MD, PhD and Marcel M. Maya, MD.
Papers8
Years published2011 to 2018
Dr. Neil's papers by year, 2011 to 2018
Topics Dr. Neil writes about most
- Brain Ischemia
- Stroke
Dr. Neil's most frequent co-authors
- Nhu T. Bruce, MD2 shared papers
- Thomas Martin Hemmen, MD, PhD1 shared paper
- Marcel M. Maya, MD1 shared paper
Recent publications by Dr. Neil
Brain IschemiaCaliforniaHispanic or Latino
See who Dr. Neil researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Neil works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William Patrick Neil has worked on 1 clinical trial
Dmand AI links Dr. Neil to 1 clinical trial. Conditions studied include Ischemic Stroke and Stroke.
Conditions in Dr. Neil's trials
- Ischemic Stroke
- Stroke
Investigators on the most trials with Dr. Neil
- Peter Adamczyk, MD1 shared trial
- Amin Nima Aghaebrahim, MD1 shared trial
- Zahra A. Ajani, MD1 shared trial
Recent clinical trials with Dr. Neil
AtRial Cardiopathy and Antithrombotic Drugs In Prevention After Cryptogenic Stroke (opens in a new tab)
TerminatedPhase 3
Ischemic StrokeStrokeApixabanAspirin
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. William Patrick Neil received $130 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Neil from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $130.
Companies that paid Dr. Neil the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William Patrick Neil graduated from Albany Medical College
Dr. Neil graduated from Albany Medical College in 2006.
- Medical school
- Board certified in neurology
- Board certified in vascular neurology
Source: Dmand AI Professional Profile Data
Dr. William Patrick Neil accepts plans from 2 insurance carriers
Dr. Neil is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Neil accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. William Patrick Neil'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 Data |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. William Patrick Neil
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. William Patrick Neil's NPI number?
Dr. William Patrick Neil's NPI number is 1770791964. It was assigned on May 19, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. William Patrick Neil?
Dr. William Patrick Neil is a neurologist in San Diego, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. William Patrick Neil practice?
Dr. Neil practices at 9455 Clairemont Mesa Blvd, San Diego, CA 92123. Dr. Neil's primary practice is Kaiser Permanente San Diego Medical Center in San Diego, California. Dmand AI also links Dr. Neil to 1 group practice or clinic.
What is Dr. William Patrick Neil's office phone number?
The practice phone on file for Dr. Neil is (619) 528-5000.
What is Dr. William Patrick Neil's medical license number?
Dr. Neil holds California license A111200, one of the licenses on file in 2 states.
Which states has Dr. William Patrick Neil been licensed in?
Dmand AI has state licenses on file for Dr. Neil in California (2010 to 2027) and Pennsylvania (2006 to 2010).
Which hospitals is Dr. William Patrick Neil affiliated with?
Dr. Neil is affiliated with Kaiser Permanente Zion Medical Center.
What medical group is Dr. William Patrick Neil part of?
Dr. Neil is linked to Southern California Permanente Medical Group.
Does Dr. William Patrick Neil accept Medicare?
Yes. CMS data shows Dr. Neil billed Medicare for 25 services in 2016, and Dr. Neil accepts Medicare assignment.
Is Dr. William Patrick Neil board certified?
Yes. Dr. Neil is board certified in neurology by the American Board of Psychiatry and Neurology.
Show 8 more questionsShow fewer questions
What services does Dr. William Patrick Neil bill to Medicare?
In 2016, Dr. Neil's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99222).
Where did Dr. William Patrick Neil go to medical school?
Dr. Neil graduated from Albany Medical College in 2006.
What drugs does Dr. William Patrick Neil prescribe most?
In 2024 Medicare Part D data, Dr. Neil's most prescribed drugs by claims were Levetiracetam.
Has Dr. William Patrick Neil received payments from drug or device companies?
CMS Open Payments shows $130 in general payments to Dr. Neil from 1 company from 2018 to 2018. The largest total came from Abbott Laboratories.
How long has Dr. William Patrick Neil been practicing?
Dr. Neil graduated from medical school in 2006, 20 years ago.
Does Dr. William Patrick Neil do research?
Dmand AI links 8 publications to Dr. Neil, published from 2011 to 2018. Dr. Neil has worked on 1 clinical trial.
Who does Dr. William Patrick Neil publish with?
Dr. Neil's most frequent co-authors are Nhu T. Bruce, MD (2 shared papers), Thomas Martin Hemmen, MD, PhD (1 shared paper) and Marcel M. Maya, MD (1 shared paper).
What insurance does Dr. William Patrick Neil accept?
Dr. Neil is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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