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

DR. KATHLEEN H. CHAO M.D.
NPI 1538130430
Internal Medicine in San Diego, CA

Q: What is Kathleen Chao's NPI number?

The NPI number for Kathleen Chao is 1538130430. It was assigned to this individual provider in the NPPES registry on January 30, 2006.

Q: What is Kathleen Chao'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 Kathleen Chao was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 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.

Active since January 30, 2006PECOS Enrolled

34800 BOB WILSON DR, NMCSD,ATTN:MEDICAL STAFF SERVICES, SAN DIEGO, CA 92134(619) 532-6460(619) 532-6299 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Kathleen H. Chao M.d. NPPES

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

DR. KATHLEEN H. CHAO M.D. (NPI 1538130430) is an individual internal medicine provider in San Diego, California, licensed in California (A74567) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1538130430

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. KATHLEEN H. CHAOCredential: M.D.

Location Address34800 BOB WILSON DR, NMCSD,ATTN:MEDICAL STAFF SERVICESSan Diego, CA 92134-1098

Mailing Address34800 Bob Wilson Dr, Nmcsd,attn:medical Staff ServicesSan Diego, CA 92134-1098 · (619) 532-6460 · Fax (619) 532-6299

Phone(619) 532-6460

Fax(619) 532-6299

Sole ProprietorNo

Enumeration DateJanuary 30, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1538130430 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 · A74567

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.

34800 BOB WILSON DR, San Diego, CA 92134

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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. Kathleen H. Chao M.d. 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 92134 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

$140.22 typical visit price

range $62.10 – $184.71

Typical copayment $35.05 (range $15.52 – $46.17)

Most-billed visit code 99204

Established Patient

$108.42 typical visit price

range $20.62 – $151.42

Typical copayment $27.10 (range $5.15 – $37.85)

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.

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.

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

1 supplier98 claims98 services$178.15 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.

LORENA MARIE FUJII N.P.

Nurse Practitioner (Pediatrics)