AlcoholismAmino AcidsBehavior, Addictive
Dr. William B. Downs, MD
NPI1851593636
- Part D claims, 2024
- 12
- Publications
- 7
- Industry payments
- $24
- Affiliated sites
- 1
- Insurance carriers
- 4
- Practice address
- 542 Broadway, Chula Vista, CA 91910
- Practice phone
- Call (972) 364-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Concentra Urgent Care - Chula Vista
Urgent Care Center · Chula Vista, California
Find Dr. Downs' professional email, personal email and mobile number
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Dr. William B. Downs is an occupational medicine physician in Chula Vista, California
Dr. Downs practices at Concentra Urgent Care - Chula Vista in Chula Vista, California.
Dr. Downs' NPI, 1851593636, was assigned on June 4, 2007. Dr. Downs graduated from Loma Linda University School Of Medicine in 1978. Dr. Downs holds California license G39617.
NPI and contact details
- NPI
- 1851593636NPI Registry (opens in a new tab)
- NPI enumeration date
- June 4, 2007
- NPI status
- Active
- Practice phone
- (972) 364-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. William B. Downs practices at Concentra Urgent Care - Chula Vista in Chula Vista, California
Dr. Downs' primary practice is Concentra Urgent Care - Chula Vista, at 542 Broadway, Chula Vista, CA 91910. The practice phone is (972) 364-8000.
- Concentra Urgent Care - Chula Vista542 Broadway, Chula Vista, CA 91910Phone(972) 364-8000
Source: Dmand AI Affiliation Data
Dr. William B. Downs is affiliated with 1 site of care
Dr. Downs' primary practice is Concentra Urgent Care - Chula Vista in Chula Vista, California. Dr. Downs' employer is on file too: an urgent care center.
Concentra Urgent Care - Chula VistaPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William B. Downs' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Downs practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Concentra Urgent Care - Chula Vista | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William B. Downs is one of 252 occupational medicine physicians in California
Occupational medicine is Dr. Downs' primary specialty in the NPI Registry, under taxonomy code 2083X0100X. Dr. Downs is licensed in California.
Specialties and state licenses
- Occupational medicine, CaliforniaPrimary
Occupational medicine physicians near Dr. Downs
Counts of occupational medicine physicians 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 B. Downs' patients have a median age of 38
Across all payers, Dmand AI patient panel data puts Dr. Downs' median patient age at 38, with 67% women.
Dr. Downs' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Dr. William B. Downs wrote 12 Medicare Part D claims in 2024
In 2024, Dr. Downs wrote 12 Medicare Part D claims. 100% of them were for generic drugs.
Part D claims, 202412
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Find occupational medicine physicians like Dr. Downs by procedure volume and prescribing
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Dr. William B. Downs has 7 publications on record
Dmand AI links 7 papers to Dr. Downs. The most frequent topics are Amino Acids, Reward and Substance-Related Disorders. Dr. Downs has published most often in J Addict Res Ther. Dr. Downs' most frequent co-authors are Thomas A. Simpatico, MD, John Anthony Bailey, MD and Rajendra D. Badgaiyan, MD.
Papers7
Topics Dr. Downs writes about most
- Amino Acids
- Reward
- Substance-Related Disorders
Dr. Downs' most frequent co-authors
- Thomas A. Simpatico, MD3 shared papers
- John Anthony Bailey, MD2 shared papers
- Rajendra D. Badgaiyan, MD1 shared paper
Recent publications by Dr. Downs
Administration, OralAmino AcidsBehavior
See who Dr. Downs researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Downs works with, so you can find a warm path to the right occupational medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William B. Downs received $24 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Downs from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Melinta Therapeutics, Inc. paid the most, $24.
Companies that paid Dr. Downs 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 B. Downs graduated from Loma Linda University School Of Medicine
Dr. Downs graduated from Loma Linda University School Of Medicine in 1978.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. William B. Downs accepts plans from 4 insurance carriers
Dr. Downs is in network with 4 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
Plan types Dr. Downs accepts, by number of carriers
- Medicare4
- PPO4
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. William B. Downs'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 |
| 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 B. Downs
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 B. Downs' NPI number?
Dr. William B. Downs' NPI number is 1851593636. It was assigned on June 4, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. William B. Downs?
Dr. William B. Downs is an occupational medicine physician in Chula Vista, California. The primary specialty in the NPI Registry is Occupational Medicine Physician (taxonomy code 2083X0100X).
Where does Dr. William B. Downs practice?
Dr. Downs practices at 542 Broadway, Chula Vista, CA 91910. Dr. Downs' primary practice is Concentra Urgent Care - Chula Vista in Chula Vista, California.
What is Dr. William B. Downs' office phone number?
The practice phone on file for Dr. Downs is (972) 364-8000.
What is Dr. William B. Downs' medical license number?
Dr. Downs holds California license G39617.
Where did Dr. William B. Downs go to medical school?
Dr. Downs graduated from Loma Linda University School Of Medicine in 1978.
Has Dr. William B. Downs received payments from drug or device companies?
CMS Open Payments shows $24 in general payments to Dr. Downs from 1 company from 2018 to 2018. The largest total came from Melinta Therapeutics, Inc.
How long has Dr. William B. Downs been practicing?
Dr. Downs graduated from medical school in 1978, 48 years ago.
Does Dr. William B. Downs do research?
Dmand AI links 7 publications to Dr. Downs.
Who does Dr. William B. Downs publish with?
Dr. Downs' most frequent co-authors are Thomas A. Simpatico, MD (3 shared papers), John Anthony Bailey, MD (2 shared papers) and Rajendra D. Badgaiyan, MD (1 shared paper).
What insurance does Dr. William B. Downs accept?
Dr. Downs is in network with 4 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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