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Complex Family Planning Specialists in California

Data updated monthly · Last refresh October 2026

23 Complex Family Planning providers practice in California, including 6 (26%) offering telehealth. The largest concentration is in Sacramento. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

23providers
6telehealth
Sacramentotop city

Complex Family Planning by city in California

Choose a city to see providers there.

Complex Family Planning in Sacramento9 providers
Complex Family Planning in Stanford6 providers
Complex Family Planning in San Francisco1 providers
Complex Family Planning in La Jolla1 providers
Complex Family Planning in San Jose1 providers
Complex Family Planning in Los Angeles1 providers
Complex Family Planning in Riverside1 providers
Complex Family Planning in Santa Barbara1 providers
Complex Family Planning in Baldwin Park1 providers
Complex Family Planning in Palo Alto1 providers

Where Complex Family Planning Specialists in California practice

From CMS Medicare enrollment records covering 17 of the 23 providers listed here (74%). Providers who do not bill Medicare are not included in these figures.

6%solo or small practice (under 10 clinicians)
6%mid-size group (10 to 99)
88%large group or health system (100+)

Largest practice groups

Group (as registered with Medicare)Complex Family Planning SpecialistsAll clinicians in groupMain city
Regents of the Univ of Ca71,571Sacramento
Stanford Health Care53,152Stanford

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingComplex Family Planning Specialists affiliated
University of California Davis Medical CenterSacramentoGovernment4 of 57
Stanford Health CareStanfordNonprofit5 of 55

Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.

Complex Family Planning providers in California

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Tara Peterson, PA-C
Baldwin Park, CA · No drug or device payments recorded (2025) · (626) 798-0706
Dr. Karen Greiner, MD, MPH
La Jolla, CA · No drug or device payments recorded (2025) · (858) 249-0158
Dr. Heather Sweeney, MD
Los Angeles, CA · $119 in drug and device payments (2025) · (310) 794-7274
Dr. Neha Thawani, MD
Palo Alto, CA · No drug or device payments recorded (2025) · (650) 498-0698
Dr. Jaclyn Grentzer, MD, MSCI
Riverside, CA · No drug or device payments recorded (2025) · (833) 574-2273
Dr. Anne Flynn, MD
Sacramento, CA · No drug or device payments recorded (2025) · (167) 346-9009
Dr. Blake Zwerling, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 734-6968
Dr. Ciara Hutchison
Sacramento, CA · No drug or device payments recorded (2025) · (404) 712-2000
Dr. Holly Rankin, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-6952
Dr. Melissa Chen, M.D., M.P.H.
Sacramento, CA · $99 in drug and device payments (2025) · Telehealth · (916) 734-6554
Dr. Melissa Matulich
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-6900
Dr. Melody Hou, M.D., M.P.H.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-6900
Dr. Mitchell Creinin, MD
Sacramento, CA · $8,504 in drug and device payments (2025) · (916) 734-6670
Dr. Natalie Dicenzo, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-6978
Dr. Jennifer Kerns, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (628) 206-8358
Dr. Alexandra Woodcock, MD
San Jose, CA · No drug or device payments recorded (2025) · (408) 885-5558
Dr. Maryam Guiahi, M.D.
Santa Barbara, CA · $126 in drug and device payments (2025) · (805) 243-8034
Dr. Andrea Henkel, MD
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Erica Cahill, MD
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Jade Shorter, MD
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Kate Shaw, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Paul Blumenthal, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Suji Uhm, MD
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000

Common questions

How many Complex Family Planning providers are in California?

There are 23 Complex Family Planning providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.

Do Complex Family Planning providers in California offer telehealth?

Yes. 6 of the 23 Complex Family Planning providers in California (about 26%) report offering telehealth services in CMS data.

Which cities in California have the most Complex Family Planning providers?

Sacramento (9), Stanford (6), San Francisco (1) have the highest concentration of Complex Family Planning providers in California.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

Do most Complex Family Planning Specialists in California work in independent practices or large health systems?

Among 17 Complex Family Planning Specialists in California enrolled in Medicare, 6% bill through a solo or small practice with fewer than 10 clinicians, 6% through a mid-size group of 10 to 99, and 88% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Complex Family Planning Specialists in California work at?

According to CMS facility affiliation records, the California hospitals where the most Complex Family Planning Specialists hold privileges are University of California Davis Medical Center in Sacramento; Stanford Health Care in Stanford.

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Complex Family Planning in California? Get featured.