Jee Hyun Guss, MD
Psychiatry Physician · Concord, CA
Jee Hyun Guss, MD is a psychiatry physician with a practice address in Concord, California, and NPI 1932265600, issued on Dec 28, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jee Hyun Guss
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- MT180486 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1420 Willow Pass RD, Concord, CA 94520
- Phone
- (925) 646-5480
- Enumerated
- Dec 28, 2006
- Record last updated
- Jan 10, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110519000218); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2002
- 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 1420 Willow Pass RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John AllenMarriage & Family Therapist1225183643
- Leticia Ballesteros, RNAdult Psychiatric/Mental Health Registered Nurse1912051442
- Cheryl Berriman, RNAdult Psychiatric/Mental Health Registered Nurse1568516003
- Elma BesirovicRehabilitation Practitioner1427812627
- Jeffrey BockserMental Health Counselor1285788299
- Candelario Castillo, LCSWClinical Social Worker1730540782
Verify Jee Hyun Guss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% more Medicare Part D claims than the average psychiatry physician in 2024
1,599 Medicare Part D claims for 172 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Olanzapine114 claims
- Sertraline Hcl106 claims
- Risperidone85 claims
- Invega Sustenna83 claims
- Quetiapine Fumarate80 claims
- Benztropine Mesylate77 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
- Contra Costa CountyConcord, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jee Hyun Guss among 8,673 psychiatry physician records in California
Jee Hyun Guss, MD 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2002 · median 2005 among the 3,295 with a school on file
- Record last updated2011 · 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).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Concord → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Marie Champlin, D.O.Concord, CA 945201164718276
- Arman Danielyan, MDConcord, CA 945201306035050
- Daniel Forkin, M.D.Concord, CA 945201639320674
- Douglas Hanlin, M.D.Concord, CA 945201447342902
- Ajani Jackson, MDConcord, CA 945201740411214
- Shahbaz KhanConcord, CA 945201619048295
- Jessica Lee, M.D., MPHConcord, CA 945201265693485
- Sunita Mall, MDConcord, CA 945201548473218
Common questions
What is Jee Hyun Guss, MD's NPI number?
Jee Hyun Guss, MD's National Provider Identifier (NPI) is 1932265600, issued on Dec 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jee Hyun Guss, MD located?
The NPPES record lists a practice address at 1420 Willow Pass RD, Concord, CA, 94520. Phone: (925) 646-5480. Providers update this record themselves, so call before visiting.
How can I verify Jee Hyun Guss, MD's license?
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 Jee Hyun Guss, MD prescribe under Medicare Part D?
In 2024, Jee Hyun Guss, MD had 1,599 Medicare Part D claims for 172 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.