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CAROLINE GUEVARA YAP MD
NPI 1679580351
Pathology - Anatomic Pathology & Clinical Pathology in Vallejo, CA

Active since August 02, 2006PECOS Enrolled
2801 OLIVEWOOD LN, VALLEJO, CA 94591(707) 688-1833(707) 554-6883 Get Directions Write a Review

NPPES record last updated: September 20, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Caroline Guevara Yap Md NPPES

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

CAROLINE GUEVARA YAP MD (NPI 1679580351) is an individual anatomic pathology & clinical pathology provider in Vallejo, California, licensed in Nevada (10984) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1679580351
Entity TypeIndividualFemale
Primary Taxonomy207ZP0102X
Provider Legal NameCAROLINE GUEVARA YAPCredential: MD
Location Address2801 OLIVEWOOD LNVallejo, CA 94591-6369
Mailing Address2801 Olivewood LnVallejo, CA 94591-6369 · (707) 688-1833 · Fax (707) 554-6883
Phone(707) 688-1833
Fax(707) 554-6883
Sole ProprietorYes
Enumeration DateAugust 2, 2006
Last NPPES UpdateSeptember 20, 2007
✔ NPI 1679580351 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in NV · 10984
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
2801 OLIVEWOOD LN, Vallejo, CA 94591
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Other Identifiers 2

Medicare UPING70997
Medicare ID-Type Unspecified100203

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Caroline Guevara Yap 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 94591 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.

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 Caroline Yap's NPI number?

The NPI number for Caroline Yap is 1679580351. It was assigned to this individual provider in the NPPES registry on August 2, 2006.

Where is Caroline Yap located?

Caroline Yap practices at 2801 Olivewood Ln, Vallejo, CA 94591. The listed phone number is (707) 688-1833.

What is Caroline Yap's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Caroline Yap enrolled in Medicare?

Yes. Caroline Yap is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Caroline Yap was last updated on September 20, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.