Dr. William A. Pennant, MD
- Part D claims, 2024
- 20
- Hospital affiliations
- 1
- Industry payments
- $730
- Medical groups
- 2
- State licenses
- 3
- Practice address
- 900 E Hamilton Ave, Campbell, CA 95008
- Practice phone
- Call (469) 466-7007
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Signify Health
Campbell, California
Find Dr. Pennant'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 A. Pennant is a general practice physician in Campbell, California
Dr. Pennant practices at Signify Health in Campbell, California.
Dr. Pennant's NPI, 1811345184, was assigned on May 27, 2016. Dr. Pennant holds Wisconsin license 74216-20.
- NPI
- 1811345184NPI Registry (opens in a new tab)
- NPI enumeration date
- May 27, 2016
- NPI status
- Active
- Practice phone
- (469) 466-7007
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. William A. Pennant practices at Signify Health in Campbell, California
Dr. Pennant's primary practice is Signify Health, at 900 E Hamilton Ave, Campbell, CA 95008 in Santa Clara County. The practice phone is (469) 466-7007.
- Signify Health900 E Hamilton Ave, Campbell, CA 95008 · Santa Clara CountyPhone(469) 466-7007
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William A. Pennant is affiliated with 2 sites of care and 2 medical groups
Dr. Pennant's primary practice is Signify Health in Campbell, California. Dr. Pennant is also affiliated with Froedtert Hospital. The medical group on file is Signify Health. Dmand AI also links Dr. Pennant to 1 more medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William A. Pennant's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pennant practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Signify Health | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William A. Pennant is one of 1,526 general practice physicians in California
General practice is Dr. Pennant's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dmand AI has Dr. Pennant's licenses on file in 3 states: Wisconsin, Indiana and Pennsylvania.
Specialties and state licenses
- General practice, WisconsinPrimary
- Indiana license
- Surgery, Pennsylvania
General practice physicians near Dr. Pennant
Counts of general practice 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 A. Pennant's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. Pennant's median patient age at 73, with 52% women.
Dr. Pennant's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women52%
- Men46%
Source: Dmand AI Patient Panel Data
Dr. William A. Pennant wrote 20 Medicare Part D claims in 2024
In 2024, Dr. Pennant wrote 20 Medicare Part D claims. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. William A. Pennant received $730 in industry payments from 2023 to 2025
CMS Open Payments shows 6 general payments to Dr. Pennant from 2 drug and device companies from 2023 to 2025. Education make up the largest share, 57% of the total. Stryker Corporation paid the most, $501.
General payments to Dr. Pennant by program year, 2023 to 2025
General payments to Dr. Pennant by kind, 2023 to 2025
- Education$41557%
- Food and beverage$31543%
Companies that paid Dr. Pennant the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. William A. Pennant'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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 A. Pennant
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 A. Pennant's NPI number?
Dr. William A. Pennant's NPI number is 1811345184. It was assigned on May 27, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. William A. Pennant?
Dr. William A. Pennant is a general practice physician in Campbell, California. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. William A. Pennant practice?
Dr. Pennant practices at 900 E Hamilton Ave, Campbell, CA 95008. Dr. Pennant's primary practice is Signify Health in Campbell, California. Dmand AI also links Dr. Pennant to 1 medical group.
What is Dr. William A. Pennant's office phone number?
The practice phone on file for Dr. Pennant is (469) 466-7007.
What is Dr. William A. Pennant's medical license number?
Dr. Pennant holds Wisconsin license 74216-20, one of the licenses on file in 3 states.
Which states has Dr. William A. Pennant been licensed in?
Dmand AI has state licenses on file for Dr. Pennant in Wisconsin, Indiana and Pennsylvania.
Which hospitals is Dr. William A. Pennant affiliated with?
Dr. Pennant is affiliated with Froedtert Hospital.
What medical group is Dr. William A. Pennant part of?
Dr. Pennant is linked to Signify Health. Dmand AI links Dr. Pennant to 1 more medical group.
Has Dr. William A. Pennant received payments from drug or device companies?
CMS Open Payments shows $730 in general payments to Dr. Pennant from 2 companies from 2023 to 2025. The largest total came from Stryker Corporation.
How long has Dr. William A. Pennant been practicing?
Dr. Pennant's NPI was assigned in 2016.
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