Dr. William S. Samuel, MD

  • Escondido, CA
  • Neurologist
NPI1396709382
Medicare services, 2023
123
Part D claims, 2024
236
Publications
29
Industry payments
$780
Affiliated sites
1
Practice address
661 E Pennsylvania Ave, Escondido, CA 92025-3003
Practice phone
Call (760) 746-5813
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Southwest Neurology Medical Group A Medical Corp

Physician office · Escondido, California

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Dr. William S. Samuel is a neurologist in Escondido, California

Dr. Samuel practices at Southwest Neurology Medical Group A Medical Corp in Escondido, California.

Dr. Samuel's NPI, 1396709382, was assigned on April 14, 2006. Dr. Samuel graduated from Keck School of Medicine of USC in 1989. Dr. Samuel's California license number on file is G70307.

NPI and contact details
NPI enumeration date
April 14, 2006
NPI status
Active
Practice phone
(760) 746-5813
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
63
Medical school graduation
1989

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. William S. Samuel practices at 2 locations in Escondido, California

Dr. Samuel's primary practice is Southwest Neurology Medical Group A Medical Corp, at 661 E Pennsylvania Ave, Escondido, CA 92025-3003. The practice phone is (760) 746-5813. The NPI Registry lists Dr. Samuel's practice address as 555 E Valley Pkwy, Escondido, CA 92025.

  • Southwest Neurology Medical Group A Medical CorpPrimary
    661 E Pennsylvania Ave, Escondido, CA 92025-3003Phone(760) 746-5813
  • NPI Registry address
    555 E Valley Pkwy, Escondido, CA 92025 · San Diego CountyPhone(760) 746-5813

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Dr. William S. Samuel is affiliated with 1 site of care

Dr. Samuel's primary practice is Southwest Neurology Medical Group A Medical Corp in Escondido, California.

Southwest Neurology Medical Group A Medical CorpPhysician office · Escondido, CaliforniaPrimary

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. William S. Samuel's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Samuel practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Southwest Neurology Medical Group A Medical CorpAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William S. Samuel is one of 2,207 neurologists in California

Neurology is Dr. Samuel's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Samuel is board certified in neurology by the American Board of Psychiatry and Neurology. Dr. Samuel has a license on file in California.

Specialties and state licenses

  • Neurology, CaliforniaPrimaryLicense G70307 · 1990 to 2024 · taxonomy 2084N0400X

Clinical focus

Dmand AI lists encephalopathy, epilepsy, head injury, lower back pain, migraine and chronic headache, muscle pain, fibromyalgia, and limb pain and parkinson's disease among the conditions Dr. Samuel treats.

Neurologists near Dr. Samuel

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 S. Samuel billed Medicare for 123 services in 2023

CMS data shows 123 Medicare services from Dr. Samuel across 2 procedure codes in 2023, all of them office visits. Medicare paid $17,501 for them. Every service was in an office.

Medicare services, 2023123
Paid by Medicare$17,501
Procedure codes2

Dr. Samuel's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Office and hospital visits
2022: 1362023: 12310%

Dr. Samuel compared with the California median for neurologists, 2023

  • Dr. Samuel
  • California median
Medicare services
123vs 40470% below
Part D claims
160vs 32451% below

Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.

Dr. Samuel's most billed Medicare procedure codes, 2023

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Samuel

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Samuel and other neurologists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. William S. Samuel's patients have a median age of 69

Across all payers, Dmand AI patient panel data puts Dr. Samuel's median patient age at 69, with 76% women.

Dr. Samuel's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women76%
  • Men22%

Source: Dmand AI Patient Panel Data

Dr. William S. Samuel wrote 236 Medicare Part D claims in 2024

In 2024, Dr. Samuel wrote 236 Medicare Part D claims for 75 patients. 98% of them were for generic drugs. CMS names the drug for 160 of them, across 9 drugs with 11 or more claims each, at $6,015 in total drug cost. In 2023, CMS named 765 claims across 20 drugs.

Part D claims, 2024236
Drugs named by CMS9
Total drug cost$6,015
Part D patients75

Dr. Samuel's Part D claims by kind of drug, 2024

  • Generic231 claims98%
  • Brand-name and other5 claims2%

Dr. Samuel'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: 7652024: 16079%

Drugs named by CMS: 9 in 2024, 20 in 2023.

See all prescribing by Dr. Samuel

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

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Dr. William S. Samuel has 29 publications on record

Dmand AI links 29 papers to Dr. Samuel, published from 2000 to 2019. 2006 was the busiest year, with 2. The most frequent topics are Cell Line, Alzheimer Disease and Retinal Pigment Epithelium. Dr. Samuel has published most often in Biochem Biophys Res Commun. Dr. Samuel's most frequent co-authors are Lawrence A. Hansen, MD and Eliezer Masliah, MD.

Papers29
Years published2000 to 2019

Dr. Samuel's papers by year, 2000 to 2019

Topics Dr. Samuel writes about most

  • Cell Line
  • Alzheimer Disease
  • Retinal Pigment Epithelium
  • Cells, Cultured
  • Gene Expression Regulation
  • Molecular Sequence Data
  • Amino Acid Sequence
  • Fenretinide

Dr. Samuel's most frequent co-authors

Recent publications by Dr. Samuel

See all 29 publications and co-authors

See who Dr. Samuel researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Samuel works with, so you can find a warm path to the right neurologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. William S. Samuel received $780 in industry payments from 2017 to 2021

CMS Open Payments shows 51 general payments to Dr. Samuel from 4 drug and device companies from 2017 to 2021. Food and beverage make up the largest share, 99% of the total. Sunovion Pharmaceuticals Inc. paid the most, $367.

General payments to Dr. Samuel by program year, 2017 to 2021

General payments to Dr. Samuel by kind, 2017 to 2021

$780in total
  • Food and beverage$77499%
  • Education$61%

Companies that paid Dr. Samuel the most, 2017 to 2021

Share is of all general payments to this clinician.

See all payments to Dr. Samuel

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. William S. Samuel graduated from Keck School of Medicine of USC

Dr. Samuel graduated from Keck School of Medicine of USC in 1989.

  1. Medical schoolKeck School of Medicine of USC
  2. Board certified in neurologyAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Dr. William S. Samuel accepts plans from 5 insurance carriers

Dr. Samuel is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Elevance and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • Elevance
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans

Plan types Dr. Samuel accepts, by number of carriers

  1. PPO5
  2. Medicare4
  3. POS2
  4. EPO1
  5. HMO1

Source: Dmand AI Insurance Network Data

Sources for Dr. William S. Samuel's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. William S. Samuel

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 S. Samuel's NPI number?

Dr. William S. Samuel's NPI number is 1396709382. It was assigned on April 14, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. William S. Samuel?

Dr. William S. Samuel is a neurologist in Escondido, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. William S. Samuel practice?

Dr. Samuel practices at 661 E Pennsylvania Ave, Escondido, CA 92025-3003. Dr. Samuel also practices at 555 E Valley Pkwy, Escondido, CA 92025. Dr. Samuel's primary practice is Southwest Neurology Medical Group A Medical Corp in Escondido, California.

What is Dr. William S. Samuel's office phone number?

The practice phone on file for Dr. Samuel is (760) 746-5813.

What is Dr. William S. Samuel's medical license number?

Dr. Samuel's California license number on file is G70307.

Does Dr. William S. Samuel accept Medicare?

Yes. CMS data shows Dr. Samuel billed Medicare for 123 services in 2023.

Is Dr. William S. Samuel board certified?

Yes. Dr. Samuel is board certified in neurology by the American Board of Psychiatry and Neurology.

What services does Dr. William S. Samuel bill to Medicare?

In 2023, Dr. Samuel's most billed Medicare services were office visit, established patient (99215) and office visit, new patient (99205).

Where did Dr. William S. Samuel go to medical school?

Dr. Samuel graduated from Keck School of Medicine of USC in 1989.

What drugs does Dr. William S. Samuel prescribe most?

In 2024 Medicare Part D data, Dr. Samuel's most prescribed drugs by claims were Levetiracetam, Carbidopa-Levodopa ER and Carbidopa-Levodopa.

Show 5 more questionsShow fewer questions

Has Dr. William S. Samuel received payments from drug or device companies?

CMS Open Payments shows $780 in general payments to Dr. Samuel from 4 companies from 2017 to 2021. The largest total came from Sunovion Pharmaceuticals Inc.

How long has Dr. William S. Samuel been practicing?

Dr. Samuel graduated from medical school in 1989, 37 years ago.

Does Dr. William S. Samuel do research?

Dmand AI links 29 publications to Dr. Samuel, published from 2000 to 2019.

Who does Dr. William S. Samuel publish with?

Dr. Samuel's most frequent co-authors are Lawrence A. Hansen, MD (1 shared paper) and Eliezer Masliah, MD (1 shared paper).

What insurance does Dr. William S. Samuel accept?

Dr. Samuel is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Elevance and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.

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