Dr. William Patrick Joseph, MD
- Part D claims, 2024
- 66
- Industry payments
- $471,937
- Affiliated sites
- 1
- Medical group
- 1
- Insurance carriers
- 2
- Practice address
- 5601 Norris Canyon Rd Suite 220 Suite 220, San Ramon, CA 94583
- Practice phone
- Call (925) 277-2050
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
International Travelers' Medical Clinic
Physician office · San Ramon, California
Find Dr. Joseph's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. William Patrick Joseph is an infectious disease specialist in San Ramon, California
Dr. Joseph practices at International Travelers' Medical Clinic in San Ramon, California.
Dr. Joseph's NPI, 1356423255, was assigned on October 19, 2006. Dr. Joseph graduated from West Virginia University School Of Medicine in 1973. Dr. Joseph holds California license G27536.
- NPI
- 1356423255NPI Registry (opens in a new tab)
- NPI enumeration date
- October 19, 2006
- NPI status
- Active
- Practice phone
- (925) 277-2050
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. William Patrick Joseph practices at 2 locations in San Ramon, California
Dr. Joseph's primary practice is International Travelers' Medical Clinic, at 5601 Norris Canyon Rd Suite 220 Suite 220, San Ramon, CA 94583. The practice phone is (925) 277-2050. The NPI Registry lists Dr. Joseph's practice address as 6001 Norris Canyon Rd, San Ramon, CA 94583.
- International Travelers' Medical ClinicPrimary5601 Norris Canyon Rd Suite 220 Suite 220, San Ramon, CA 94583Phone(925) 277-2050
- NPI Registry address6001 Norris Canyon Rd, San Ramon, CA 94583 · Contra Costa CountyPhone(925) 277-2050
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. William Patrick Joseph is affiliated with 1 site of care and 1 medical group
Dr. Joseph's primary practice is International Travelers' Medical Clinic in San Ramon, California. The medical group on file is Mayo Clinic.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William Patrick Joseph's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Joseph practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| International Travelers' Medical Clinic | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Patrick Joseph is one of 1,054 infectious disease specialists in California
Infectious disease is Dr. Joseph's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Joseph is board certified in infectious disease by the American Board of Internal Medicine. Dmand AI has Dr. Joseph's licenses on file in 4 states: California, Arizona, Florida and West Virginia.
Specialties and state licenses
- Infectious disease, CaliforniaPrimary
- Arizona license
- Florida license
- West Virginia license
Infectious disease specialists near Dr. Joseph
Counts of infectious disease specialists 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 Joseph's patients have a median age of 56
Across all payers, Dmand AI patient panel data puts Dr. Joseph's median patient age at 56, with 33% women.
Dr. Joseph's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Dr. William Patrick Joseph wrote 66 Medicare Part D claims in 2024
In 2024, Dr. Joseph wrote 66 Medicare Part D claims. 76% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $41 in total drug cost. In 2023, CMS named 26 claims across 2 drugs.
Dr. Joseph's Part D claims by kind of drug, 2024
- Generic50 claims76%
- Brand-name and other16 claims24%
Dr. Joseph'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: 262024: 1446%
Drugs named by CMS: 1 in 2024, 2 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
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Dr. William Patrick Joseph received $471,937 in industry payments from 2016 to 2022
CMS Open Payments shows 82 general payments to Dr. Joseph from 5 drug and device companies from 2016 to 2022. Speaker and faculty fees make up the largest share, 97% of the total. Siemens Medical Solutions USA, Inc. paid the most, $464,930.
General payments to Dr. Joseph by program year, 2016 to 2022
General payments to Dr. Joseph by kind, 2016 to 2022
- Speaker and faculty fees$459,26097%
- Consulting fees$8,4262%
- Grants$4,0141%
- Food and beverage$2370%
Companies that paid Dr. Joseph the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William Patrick Joseph graduated from West Virginia University School Of Medicine
Dr. Joseph graduated from West Virginia University School Of Medicine in 1973. Dr. Joseph is a member of Infectious Diseases Society of America and Society of Healthcare Epidemiologists of America.
- Medical school
- Board certified in infectious disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. William Patrick Joseph accepts plans from 2 insurance carriers
Dr. Joseph is in network with 2 carriers, including Elevance and NY State Medicaid. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Elevance
- NY State Medicaid
Plan types Dr. Joseph accepts, by number of carriers
- HMO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. William Patrick Joseph'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| 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) |
| 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 Joseph
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 Joseph's NPI number?
Dr. William Patrick Joseph's NPI number is 1356423255. It was assigned on October 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William Patrick Joseph?
Dr. William Patrick Joseph is an infectious disease specialist in San Ramon, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. William Patrick Joseph practice?
Dr. Joseph practices at 5601 Norris Canyon Rd Suite 220 Suite 220, San Ramon, CA 94583. Dr. Joseph also practices at 6001 Norris Canyon Rd, San Ramon, CA 94583. Dr. Joseph's primary practice is International Travelers' Medical Clinic in San Ramon, California.
What is Dr. William Patrick Joseph's office phone number?
The practice phone on file for Dr. Joseph is (925) 277-2050.
What is Dr. William Patrick Joseph's medical license number?
Dr. Joseph holds California license G27536, one of the licenses on file in 4 states.
Which states has Dr. William Patrick Joseph been licensed in?
Dmand AI has state licenses on file for Dr. Joseph in California (1974 to 2026), Arizona (2019 to 2027), Florida (2012 to 2027) and West Virginia (1973 to 2000).
What medical group is Dr. William Patrick Joseph part of?
Dr. Joseph is linked to Mayo Clinic.
Is Dr. William Patrick Joseph board certified?
Yes. Dr. Joseph is board certified in infectious disease by the American Board of Internal Medicine.
Where did Dr. William Patrick Joseph go to medical school?
Dr. Joseph graduated from West Virginia University School Of Medicine in 1973.
What drugs does Dr. William Patrick Joseph prescribe most?
In 2024 Medicare Part D data, Dr. Joseph's most prescribed drugs by claims were Clonazepam.
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Has Dr. William Patrick Joseph received payments from drug or device companies?
CMS Open Payments shows $471,937 in general payments to Dr. Joseph from 5 companies from 2016 to 2022. The largest total came from Siemens Medical Solutions USA, Inc.
How long has Dr. William Patrick Joseph been practicing?
Dr. Joseph graduated from medical school in 1973, 53 years ago.
What insurance does Dr. William Patrick Joseph accept?
Dr. Joseph is in network with 2 carriers, including Elevance and NY State Medicaid. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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