Stephanie Wyckoff
Obstetrics Physician · Fountain Valley, CA
Stephanie Wyckoff is an obstetrics physician with a practice address in Fountain Valley, California, and NPI 1679659080, issued on Oct 27, 2006. Check the license (California A69149, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephanie Wyckoff
- Primary taxonomy
- Obstetrics Physician 207VX0000X
- License number
- A69149 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18035 Brookhurst Street, Fountain Valley, CA 92708
- Phone
- (657) 241-9090
- Enumerated
- Oct 27, 2006
- Record last updated
- Oct 14, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid ID
- 00A691490 CA
- Entity
- Type 1 · individual
Also registered at 18035 Brookhurst Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gerardo Bustillo, M.D.Obstetrics & Gynecology Physician1972631786
- Denise CastellanosMidwife1356587042
- Patricia Evans, CNMMidwife1760488126
- Lynn Hansen, CNMMidwife1063597219
- Annette McConnaughey, CNMMidwife1851398002
- G. Thomas Ruiz, MDObstetrics & Gynecology Physician1518967330
Verify Stephanie Wyckoff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A69149Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average obstetrics physician in 2024
151 Medicare Part D claims for 50 beneficiaries, against an average of 218 among the 863 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Estradiol43 claims
- Progesterone17 claims
- Estradiol (Twice Weekly)14 claims
- Medroxyprogesterone Acetate14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Obstetrics Physician providers in California
There are 174 obstetrics physician records in California.
Other obstetrics physician records in California
- Kate Adkins, M.D.Hemet, CA1023205408
- Nayeema Ahmed, M.D.Riverside, CA1063410280
- Rimsha Ahmed, M.D.Los Angeles, CA1770927899
- Mohsin Ali, M.D.Cerritos, CA1811990708
- Maryam Ardalan, MDSanta Clarita, CA1396936217
- Omar Aziz, M.D.El Centro, CA1548662182
- Secily Bason-Mitchell, M.D.San Francisco, CA1992872089
- Stephen Belton, M.D.San Jose, CA1992764773
- Christina Bennett-Stewart, M.D.Redlands, CA1134162225
- Megan BernsteinSanta Monica, CA1659830610
Common questions
What is Stephanie Wyckoff's NPI number?
Stephanie Wyckoff's National Provider Identifier (NPI) is 1679659080, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie Wyckoff located?
The NPPES record lists a practice address at 18035 Brookhurst Street, Fountain Valley, CA, 92708. Phone: (657) 241-9090. Providers update this record themselves, so call before visiting.
How can I verify Stephanie Wyckoff's license?
NPPES lists California license number A69149, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephanie Wyckoff prescribe under Medicare Part D?
In 2024, Stephanie Wyckoff had 151 Medicare Part D claims for 50 beneficiaries; the average among obstetrics physician prescribers was 218. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.