Dr. Eric Williamson, MD
- Part D claims, 2024
- 44
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 101 Bodin Cir Bldg 777, Travis Afb, CA 94535
- Practice phone
- Call (707) 423-7300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Williamson'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. Eric Williamson is an internist in Travis Afb, California
Dr. Williamson practices at David Grant USAF Medical Center in Travis Afb, California, part of United States Department of War.
Dr. Williamson's NPI, 1285374108, was assigned on March 30, 2022. Dr. Williamson holds New York license 328752.
- NPI
- 1285374108NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779053467
- NPI enumeration date
- March 30, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 423-7300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eric Williamson practices at David Grant USAF Medical Center in Travis Afb, California
Dr. Williamson's primary practice is David Grant USAF Medical Center, at 101 Bodin Cir Bldg 777, Travis Afb, CA 94535 in Solano County. The practice phone is (707) 423-7300.
- David Grant USAF Medical Center101 Bodin Cir Bldg 777, Travis Afb, CA 94535 · Solano CountyPhone(707) 423-7300
Source: Dmand AI Affiliation Data
Dr. Eric Williamson is affiliated with 1 site of care and 1 medical group
Dr. Williamson's primary practice is David Grant USAF Medical Center in Travis Afb, California, part of United States Department of War. The medical group on file is The Permanente Medical Group, Inc. Dr. Williamson's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Eric Williamson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williamson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| David Grant USAF Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Eric Williamson is one of 16,751 internists in California
Internal medicine is Dr. Williamson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Williamson is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Williamson
Counts of internists 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. Eric Williamson's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. Williamson's median patient age at 73, with 14% women.
Dr. Williamson'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
- Women14%
- Men86%
Source: Dmand AI Patient Panel Data
Dr. Eric Williamson wrote 44 Medicare Part D claims in 2024
In 2024, Dr. Williamson wrote 44 Medicare Part D claims for 18 patients. 89% of them were for generic drugs.
Dr. Williamson's Part D claims by kind of drug, 2024
- Generic39 claims89%
- Brand-name and other5 claims11%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Eric Williamson takes part in Medicare
Dr. Williamson 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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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Dr. Eric Williamson'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Eric Williamson
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. Eric Williamson's NPI number?
Dr. Eric Williamson's NPI number is 1285374108. It was assigned on March 30, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric Williamson?
Dr. Eric Williamson is an internist in Travis Afb, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Eric Williamson practice?
Dr. Williamson practices at 101 Bodin Cir Bldg 777, Travis Afb, CA 94535. Dr. Williamson's primary practice is David Grant USAF Medical Center in Travis Afb, California, part of United States Department of War.
What is Dr. Eric Williamson's office phone number?
The practice phone on file for Dr. Williamson is (707) 423-7300.
What is Dr. Eric Williamson's medical license number?
Dr. Williamson holds New York license 328752.
Which hospitals is Dr. Eric Williamson affiliated with?
Dr. Williamson practices at David Grant USAF Medical Center in Travis Afb, California.
What medical group is Dr. Eric Williamson part of?
Dr. Williamson is linked to The Permanente Medical Group, Inc.
Does Dr. Eric Williamson accept Medicare?
Yes. CMS lists Dr. Williamson as accepting Medicare assignment.
How long has Dr. Eric Williamson been practicing?
Dr. Williamson's NPI was assigned in 2022.
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