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NANCY H WIGGINTON MD
NPI 1396824173
Obstetrics & Gynecology in Castro Valley, CA

Active since November 03, 2006PECOS Enrolled
19845 LAKE CHABOT RD, SUITE 302, CASTRO VALLEY, CA 94546(510) 886-3400 Get Directions Write a Review

NPPES record last updated: December 1, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Nancy H Wigginton Md NPPES

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

NANCY H WIGGINTON MD (NPI 1396824173) is an individual obstetrics & gynecology provider in Castro Valley, California, licensed in California (A76070) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Castro Valley.

NPPES Registry Identity

NPI1396824173
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameNANCY H WIGGINTONCredential: MD
Location Address19845 LAKE CHABOT RD, SUITE 302Castro Valley, CA 94546-4055
Mailing Address3687 Mt Diablo Blvd Ste 200Lafayette, CA 94549-3746 · (510) 204-6660
Phone(510) 886-3400
Sole ProprietorNo
Enumeration DateNovember 3, 2006
Last NPPES UpdateDecember 1, 2017
✔ NPI 1396824173 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A76070
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
19845 LAKE CHABOT RD, Castro Valley, CA 94546
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Secondary Practice Location 1

Location 119845 Lake Chabot Rd, SUITE 302Castro Valley, CA 94546-4055 · Phone (510) 886-3400

Other Identifiers 1

Medicare UPINI04293CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nancy H Wigginton 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.

Medicare Billing Reassignment

Medicare enrollment records show Nancy Wigginton reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sutter Bay Medical Foundation
13 mi
Multi-Specialty
12 CAMINO ENCINAS
Orinda, CA 94563
  • Reassigned Medicare billing, California enrollment
  • 4,479 clinicians in this Medicare group
NPI 1366898538 (510) 204-8180

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

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.

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
38 services38 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
25 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94546 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
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.

ALAN R. SILVERMAN M.D. INC
Family Medicine
19845 LAKE CHABOT RD, SUITE 301
CASTRO VALLEY, CA 94546
Alameda County (510) 881-5203
VISHAL GHEVARIYA M.D.
Internal Medicine (Gastroenterology)
19845 LAKE CHABOT RD, STE 104
CASTRO VALLEY, CA 94546
Alameda County (510) 537-4415
DR. CAROLYN ELIZABETH MCALOON DPM
Podiatrist (Foot & Ankle Surgery)
19845 LAKE CHABOT RD, SUITE 301
CASTRO VALLEY, CA 94546
Alameda County (510) 581-1484
GEORGE D COWEN, MD PROFESSIONAL CORP
Internal Medicine
19845 LAKE CHABOT RD, SUITE 211
CASTRO VALLEY, CA 94546
Alameda County (510) 582-6966
MR. JEAN-PIERRE LOUIS VIEL PT, DPT, OCS
Physical Therapist
19845 LAKE CHABOT RD, SUITE 205
CASTRO VALLEY, CA 94546
Alameda County (510) 538-9558
DR. AMBER LOUISE JONES D.O., M.P.H.
Surgery (Trauma Surgery)
19845 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Alameda County (510) 538-5500
DR. TERENCE CHUCK WONG D.D.S.
Dentist (General Practice)
19845 LAKE CHABOT RD, SUITE #210
CASTRO VALLEY, CA 94546
Alameda County (510) 581-7788
SARAH H LINDAHL PAC
Physician Assistant
19845 LAKE CHABOT RD, SUITE #302
CASTRO VALLEY, CA 94546
Alameda County (510) 886-3400

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 Nancy Wigginton's NPI number?

The NPI number for Nancy Wigginton is 1396824173. It was assigned to this individual provider in the NPPES registry on November 3, 2006.

Where is Nancy Wigginton located?

Nancy Wigginton practices at 19845 Lake Chabot Rd Suite 302, Castro Valley, CA 94546. The listed phone number is (510) 886-3400.

What is Nancy Wigginton's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Nancy Wigginton enrolled in Medicare?

Yes. Nancy Wigginton is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nancy Wigginton's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Wigginton reassigns Medicare benefits to Sutter Bay Medical Foundation (Orinda, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nancy Wigginton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nancy Wigginton was last updated on December 1, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.