DR. KATHERINE CAROL THOMAS MD
NPI 1033555354
Internal Medicine in Bakersfield, CA

Q: What is Katherine Thomas's NPI number?

The NPI number for Katherine Thomas is 1033555354. It was assigned to this individual provider in the NPPES registry on May 14, 2013.

Q: What is Katherine Thomas's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Katherine Thomas was last updated on February 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since May 14, 2013PECOS Enrolled

96.5/100

CMS Quality Rating

420 34TH ST, BAKERSFIELD, CA 93301(661) 327-5350(661) 321-9803 Get Directions Write a Review

NPPES record last updated: February 11, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. Katherine Carol Thomas Md NPPES

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

DR. KATHERINE CAROL THOMAS MD (NPI 1033555354) is an individual internal medicine provider in Bakersfield, California, licensed in California (A135391) and active in the NPI registry since May 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1033555354

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. KATHERINE CAROL THOMASCredential: MD

Location Address420 34TH STBakersfield, CA 93301-2237

Mailing Address420 34th StBakersfield, CA 93301-2237 · (661) 327-5350 · Fax (661) 321-9803

Phone(661) 327-5350

Fax(661) 321-9803

Sole ProprietorYes

Enumeration DateMay 14, 2013

Last NPPES UpdateFebruary 11, 2026

NPPES CertifiedFebruary 11, 2026

✔ NPI 1033555354 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · A135391

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.

420 34TH ST, Bakersfield, CA 93301

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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)

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

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 93301 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

$135.05 typical visit price

range $59.26 – $178.09

Typical copayment $33.76 (range $14.81 – $44.52)

Most-billed visit code 99204

Established Patient

$104.09 typical visit price

range $19.34 – $145.64

Typical copayment $26.02 (range $4.83 – $36.41)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

96.5/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

80.34

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers11 claims11 services$43.14 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

SOUTH VALLEY PATHOLOGY ASSOCIATES

Pathology (Anatomic Pathology & Clinical Pathology)