Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. KATHERINE LIBERTY DYER MD
NPI 1255016663
Family Medicine in Martinez, CA

Active since June 21, 2023PECOS Enrolled
2500 ALHAMBRA AVE, MARTINEZ, CA 94553(925) 370-5117 Get Directions Write a Review

NPPES record last updated: August 11, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 11, 2026, Jun 21, 2023 (2 updates tracked since 2023).

About Dr. Katherine Liberty Dyer Md NPPES

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

DR. KATHERINE LIBERTY DYER MD (NPI 1255016663) is an individual family medicine provider in Martinez, California, licensed in Louisiana (351371) and active in the NPI registry since June 2023. She is enrolled in Medicare PECOS and is a graduate of University Of Washington School Of Medicine (2023).

NPPES Registry Identity

NPI1255016663
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. KATHERINE LIBERTY DYERCredential: MD
Location Address2500 ALHAMBRA AVEMartinez, CA 94553-3156
Mailing Address2500 Alhambra AveMartinez, CA 94553-3156 · (925) 370-5117
Sole ProprietorNo
Medical School CMSUniversity Of Washington School Of MedicineGraduated 2023
Enumeration DateJune 21, 2023
Last NPPES UpdateAugust 11, 20262 updates tracked since enumeration
NPPES CertifiedAugust 11, 2026
NPI 1255016663 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in LA · 351371
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
2500 ALHAMBRA AVE, Martinez, CA 94553

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Katherine Liberty Dyer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3870948524
PECOS Enrollment IDI20260611004258
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 94553 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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 20

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

Family Medicine
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Student in an Organized Health Care Education/Training Program
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Dentist
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
General Practice
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Family Medicine
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Surgery
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Otolaryngology
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Psychiatry & Neurology (Psychiatry)
2500 ALHAMBRA AVE, PES
MARTINEZ, CA 94553

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 Katherine Dyer's NPI number?

The NPI number for Katherine Dyer is 1255016663. It was assigned to this individual provider in the NPPES registry on June 21, 2023.

Where is Katherine Dyer located?

Katherine Dyer practices at 2500 Alhambra Ave, Martinez, CA 94553. The listed phone number is (925) 370-5117.

What is Katherine Dyer's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Katherine Dyer enrolled in Medicare?

Yes. Katherine Dyer is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Katherine Dyer was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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.