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ERIC WILLIAMSON MD
NPI 1285374108
Internal Medicine in Travis Afb, CA

Active since March 30, 2022PECOS Enrolled
60 MDG/SGGX, 101 BODIN CIRCLE, TRAVIS AFB, CA 94535(707) 423-7342 Get Directions Write a Review

NPPES record last updated: July 25, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 7, 2025, Apr 26, 2022 (2 updates tracked since 2022).

About Eric Williamson Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ERIC WILLIAMSON MD (NPI 1285374108) is an individual internal medicine provider in Travis Afb, California, licensed in New York (328752) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS and is a graduate of New York University School Of Medicine (2022).

NPPES Registry Identity

NPI1285374108
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameERIC WILLIAMSONCredential: MD
Location Address60 MDG/SGGX, 101 BODIN CIRCLETravis Afb, CA 94535-1809
Mailing Address60 Mdg/sggx, 101 Bodin CircleTravis Afb, CA 94535-1809
Phone(707) 423-7342
Sole ProprietorNo
Medical School CMSNew York University School Of MedicineGraduated 2022
Enumeration DateMarch 30, 2022
Last NPPES UpdateJuly 25, 20252 updates tracked since enumeration
NPPES CertifiedJuly 22, 2025
✔ NPI 1285374108 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 328752
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
60 MDG/SGGX, Travis Afb, CA 94535
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Eric Williamson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3779053467
PECOS Enrollment IDI20260522001253
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94535 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$145.83 typical visit price
range $65.02 – $191.95
Typical copayment $36.45 (range $16.25 – $47.98)
Most-billed visit code 99204
Established Patient
$113.05 typical visit price
range $21.86 – $157.69
Typical copayment $28.26 (range $5.46 – $39.42)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JONATHAN CHRISTOPHER BANTA M.D.
Dermatology
60 MDG/SGGX, 101 BODIN CIR
TRAVIS AFB, CA 94535
Solano County (707) 423-5105
DR. MARK RUSSELL BROWN DO
Internal Medicine
60 MDG/SGGX, 101 BODIN CIRCLE
TRAVIS AFB, CA 94535
Solano County (707) 423-7342

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Eric Williamson's NPI number?

The NPI number for Eric Williamson is 1285374108. It was assigned to this individual provider in the NPPES registry on March 30, 2022.

Where is Eric Williamson located?

Eric Williamson practices at 60 Mdg/Sggx 101 Bodin Circle, Travis Afb, CA 94535. The listed phone number is (707) 423-7342.

What is Eric Williamson's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Eric Williamson enrolled in Medicare?

Yes. Eric Williamson is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Eric Williamson was last updated on July 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.