NANCY WU M.D.
NPI 1609895358
Pathology - Anatomic Pathology & Clinical Pathology in Pomona, CA

Q: What is Nancy Wu's NPI number?

The NPI number for Nancy Wu is 1609895358. It was assigned to this individual provider in the NPPES registry on July 19, 2006.

Q: What is Nancy Wu's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Nancy Wu was last updated on March 31, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since July 19, 2006PECOS EnrolledAccepts Medicare Assignment

1798 N GAREY AVE, POMONA, CA 91767(949) 643-3345(949) 643-3560 Get Directions Write a Review

NPPES record last updated: March 31, 2009. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Nancy Wu M.d. NPPES

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

NANCY WU M.D. (NPI 1609895358) is an individual anatomic pathology & clinical pathology provider in Pomona, California, licensed in California (A64787) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1991).

NPPES Registry Identity

NPI1609895358

Entity TypeIndividualFemale

Primary Taxonomy207ZP0102X

Provider Legal NameNANCY WUCredential: M.D.

Location Address1798 N GAREY AVEPomona, CA 91767-2918

Mailing AddressPo Box 7630Laguna Niguel, CA 92607-7630 · (949) 643-3345 · Fax (949) 643-3560

Phone(949) 643-3345

Fax(949) 643-3560

Sole ProprietorNo

Medical School CMSOtherGraduated 1991

Enumeration DateJuly 19, 2006

Last NPPES UpdateMarch 31, 2009

✔ NPI 1609895358 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in CA · A64787

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.

Also ListedSpecialistTaxonomy 174400000X · License A02900 (CA)

1798 N GAREY AVE, Pomona, CA 91767

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Other Identifiers 2

Medicare UPINH02900CA

Medicare PINWA64787DCA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nancy Wu M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9638065105

PECOS Enrollment IDI20040223001285

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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

41 services34 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

36 services16 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.

20 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91767 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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.

MARIA CONSUELO CASTELAN RD

Dietitian, Registered