Christa Caroline Defries
Psychiatry Physician · San Francisco, CA
Christa Caroline Defries is a psychiatry physician with a practice address in San Francisco, California, and NPI 1881190742, issued on Mar 31, 2018. Check the license (California A195854, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christa Caroline Defries
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- A195854 CA
313976 NY
S7197 TX
Self-reported in NPPES; status is on the state search - Practice location
- 100 Pine St Ste 1250, San Francisco, CA 94111
- Phone
- (833) 351-8255
- Enumerated
- Mar 31, 2018
- Record last updated
- Oct 27, 2025
- Medicare enrollment
- Enrolled (PECOS I20240517001543); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 100 Pine St Ste 1250
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kerstin AsquithPsychiatry Physician1689069981
- Kamyl Bogan, MDPsychiatry Physician1598343576
- Robynn Cavaliere, DNP, PMHNPPsychiatric/Mental Health Nurse Practitioner1932524303
- Megan Crochet, M.D.Psychiatry Physician1730321399
- Austin Presley Davidson, DOPsychiatry Physician1235718511
- Nikita Dixon, M.D.Child & Adolescent Psychiatry Physician1477725984
Verify Christa Caroline Defries in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A195854Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average psychiatry physician in 2024
138 Medicare Part D claims for 15 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Bupropion Xl19 claims
- Clonazepam16 claims
- Dextroamphetamine-Amphet Er12 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.
Bills Medicare through 2 group practices
- Mccd CA Psychiatry Services PCSan Francisco, CA
- Mccd FL Psychiatry Services PAMcKinney, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christa Caroline Defries among 8,673 psychiatry physician records in California
Christa Caroline Defries is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2018 · median 2005 among the 3,295 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
763 psychiatry physician records list a practice address in San Francisco
They are 763 of the 38,143 NPPES records with a practice address in San Francisco, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in San Francisco → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Samih Boutros, MDSan Francisco, CA 941111811022064
- Megan Crochet, M.D.San Francisco, CA 941111730321399
- Jeffrey Hays, MDSan Francisco, CA 941111578798237
- James Hutchinson, M.D.San Francisco, CA 941111437177607
- Robert Johnson, M.D., J.D., LL.M.San Francisco, CA 941111043505936
- Lawrence Kaplan, D.O.San Francisco, CA 941111144540451
- Felicitas Koster, D.O.San Francisco, CA 941111295025005
- Sherrell Lam, M.D.San Francisco, CA 941111487817797
Common questions
What is Christa Caroline Defries's NPI number?
Christa Caroline Defries's National Provider Identifier (NPI) is 1881190742, issued on Mar 31, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Christa Caroline Defries located?
The NPPES record lists a practice address at 100 Pine St Ste 1250, San Francisco, CA, 94111. Phone: (833) 351-8255. Providers update this record themselves, so call before visiting.
How can I verify Christa Caroline Defries's license?
NPPES lists California license number A195854, 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 Christa Caroline Defries prescribe under Medicare Part D?
In 2024, Christa Caroline Defries had 138 Medicare Part D claims for 15 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.