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STEPHANIE WYCKOFF
NPI 1679659080
Obstetrics & Gynecology - Obstetrics in Fountain Valley, CA

Active since October 27, 2006PECOS Enrolled
18035 BROOKHURST STREET, SUITE 2100, FOUNTAIN VALLEY, CA 92708(657) 241-9090 Get Directions Write a Review

NPPES record last updated: October 14, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Stephanie Wyckoff NPPES

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

STEPHANIE WYCKOFF (NPI 1679659080) is an individual obstetrics provider in Fountain Valley, California, licensed in California (A69149) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1679659080
Entity TypeIndividualFemale
Primary Taxonomy207VX0000X
Provider Legal NameSTEPHANIE WYCKOFF
Location Address18035 BROOKHURST STREET, SUITE 2100Fountain Valley, CA 92708
Mailing Address17360 Brookhurst St, Attn: Credentialing DepartmentFountain Valley, CA 92708-3720
Phone(657) 241-9090
Sole ProprietorNo
Enumeration DateOctober 27, 2006
Last NPPES UpdateOctober 14, 2016
✔ NPI 1679659080 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · ObstetricsAllopathic & Osteopathic Physicians
Taxonomy Code207VX0000X
License✔ Licensed in CA · A69149
Definition
A physician who specializes in diagnosis, treatment, and management of patients with obstetric conditions. Source: National Uniform Claim Committee
18035 BROOKHURST STREET, Fountain Valley, CA 92708
Open in Google Maps ↗

Other Identifiers 1

Medicaid00A691490CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stephanie Wyckoff 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 Reassignments

3

Medicare enrollment records show Stephanie Wyckoff reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Memorialcare Medical Foundation
0.8 mi
Clinic/Center
17360 BROOKHURST ST
Fountain Valley, CA 92708
  • Reassigned Medicare billing, California enrollment
  • 948 clinicians in this Medicare group
NPI 1205167350 (877) 696-3622
Healthcare Partners Affiliates Medical Group
7.5 mi
Addiction Medicine
14591 NEWPORT AVE
Tustin, CA 92780
  • Reassigned Medicare billing, California enrollment
  • 2,052 clinicians in this Medicare group
NPI 1891981502 (714) 442-4864
Obhg California, P.C.
2,028 mi
Obstetrics & Gynecology
777 LOWNDES HILL RD BLDG 1
Greenville, SC 29607
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Obhg California PC
  • 711 clinicians in this Medicare group
NPI 1215258892 (800) 967-2289

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.
16 services16 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.
13 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92708 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
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LYNN C. HANSEN CNM
Midwife
18035 BROOKHURST STREET, STE 2100
FOUNTAIN VALLEY, CA 92708
Orange County (657) 241-9090
DENISE GASTELUM CASTELLANOS
Midwife
18035 BROOKHURST STREET, SUITE 2100
FOUNTAIN VALLEY, CA 92708
Orange County (657) 241-9090
CORRY ANN VARNER CNM
Advanced Practice Midwife
18035 BROOKHURST STREET, STE 2100
FOUNTAIN VALLEY, CA 92708
Orange County (657) 241-9090
G. THOMAS RUIZ MD
Obstetrics & Gynecology
18035 BROOKHURST STREET, SUITE 2100
FOUNTAIN VALLEY, CA 92708
Orange County (657) 241-9090
PATRICIA A. EVANS CNM
Midwife
18035 BROOKHURST STREET, STE 2100
FOUNTAIN VALLEY, CA 92708
Orange County (657) 241-9090
MRS. ANNETTE LOUISE MCCONNAUGHEY CNM
Midwife
18035 BROOKHURST STREET, SUITE 2100
FOUNTAIN VALLEY, CA 92708
Orange County (657) 241-9090
GERARDO BUSTILLO M.D.
Obstetrics & Gynecology
18035 BROOKHURST STREET, SUITE 2100
FOUNTAIN VALLEY, CA 92708
Orange County (657) 241-9090

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 Stephanie Wyckoff's NPI number?

The NPI number for Stephanie Wyckoff is 1679659080. It was assigned to this individual provider in the NPPES registry on October 27, 2006.

Where is Stephanie Wyckoff located?

Stephanie Wyckoff practices at 18035 Brookhurst Street Suite 2100, Fountain Valley, CA 92708. The listed phone number is (657) 241-9090.

What is Stephanie Wyckoff's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Obstetrics, with taxonomy code 207VX0000X.

Is Stephanie Wyckoff enrolled in Medicare?

Yes. Stephanie Wyckoff is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Stephanie Wyckoff's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Wyckoff reassigns Medicare benefits to 3 organizations: Memorialcare Medical Foundation (Fountain Valley, CA), Healthcare Partners Affiliates Medical Group (Tustin, CA) and Obhg California, P.C. (Greenville, SC). Each 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 Stephanie Wyckoff'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 Stephanie Wyckoff was last updated on October 14, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.