Peggy Kwun, MD
Psychiatry Physician · San Rafael, CA
Peggy Kwun, MD is a psychiatry physician with a practice address in San Rafael, California, and NPI 1396774436, issued on Jul 1, 2006. Check the license (California G80768, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Peggy Kwun
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- G80768 CA
Self-reported in NPPES; status is on the state search - Practice location
- 111 Smith Ranch RD, San Rafael, CA 94903
- Phone
- (415) 491-3000
- Enumerated
- Jul 1, 2006
- Record last updated
- Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (415) 491-3170
- Medicare enrollment
- Enrolled (PECOS I20051004000574); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 111 Smith Ranch RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gurpreet Aujla, M.D.Psychiatry Physician1942696323
- Maxwell Berlyant, PHDPsychologist1295398519
- Laura BollesMarriage & Family Therapist1235788308
- Sara BrookerPsychologist1821353541
- Laura Cohen, PH.D.Counseling Psychologist1962063537
- Denise Coquia, PHDClinical Psychologist1477384337
Verify Peggy Kwun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G80768Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% more Medicare Part D claims than the average psychiatry physician in 2024
1,912 Medicare Part D claims for 496 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Lorazepam191 claims
- Trazodone Hcl117 claims
- Sertraline Hcl107 claims
- Duloxetine Hcl91 claims
- Escitalopram Oxalate89 claims
- Bupropion Xl86 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 one group practice
- Permanente Medical Group IncSan Rafael, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
33 psychiatry physician records list a practice address in San Rafael
They are 33 of the 3,159 NPPES records with a practice address in San Rafael, and 8,673 psychiatry physician records in California.
All 33 in San Rafael → All 8,673 in California → Every provider in San Rafael →
Other psychiatry physician records in California
- Nancy Aaen, MDNapa, CA1609816669
- Criselda Abad-Santos, M.D.Woodland Hills, CA1760461826
- Mekabiz Abaian, MDSan Bernardino, CA1891090163
- Brenda Abarca, MDTorrance, CA1407485527
- Pilar Abascal, M.D.Los Angeles, CA1730528191
- Michele Abbasi, M.D.Westlake Village, CA1093940330
- Zohaib AbbasiMartinez, CA1013392224
- Sandy Abdelkedous, MDFresno, CA1306093109
- Nancy Abdelmalak, M.D.Elk Grove, CA1912137498
- Ezzat Abdelmalek, M.DDana Point, CA1992828826
Common questions
What is Peggy Kwun, MD's NPI number?
Peggy Kwun, MD's National Provider Identifier (NPI) is 1396774436, issued on Jul 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peggy Kwun, MD located?
The NPPES record lists a practice address at 111 Smith Ranch RD, San Rafael, CA, 94903. Phone: (415) 491-3000. Providers update this record themselves, so call before visiting.
How can I verify Peggy Kwun, MD's license?
NPPES lists California license number G80768, 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 Peggy Kwun, MD prescribe under Medicare Part D?
In 2024, Peggy Kwun, MD had 1,912 Medicare Part D claims for 496 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.