Jia Guo, MD
Psychiatry Physician · San Jose, CA
Jia Guo, MD is a psychiatry physician with a practice address in San Jose, California, and NPI 1508443235, issued on Mar 27, 2021. Check the license (California A201442, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jia Guo
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- A201442 CA
MD215932 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2101 Alexian Dr Ste D, San Jose, CA 95116
- Phone
- (408) 885-5000
- Enumerated
- Mar 27, 2021
- Record last updated
- Oct 23, 2025
- Medicare enrollment
- Enrolled (PECOS I20230719004274); accepts Medicare assignment
- Medical or professional school
- Wake Forest University School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 2101 Alexian Dr Ste D
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacqueline Alba-Nguyen, MD, MPHInternal Medicine Physician1144545302
- Ginny Estupinian, PH.D.Mental Health Counselor1134351653
- Maryam Nazian Najafi, MDPsychiatry Physician1679860464
- Sophie Nguyen, PHARM.D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1316561137
Verify Jia Guo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A201442Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average psychiatry physician in 2024
59 Medicare Part D claims for 16 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Lorazepam16 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
- Cascadia HealthPortland, OR
- County OF Santa ClaraSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jia Guo among 8,673 psychiatry physician records in California
Jia Guo, 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 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2021 · 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).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in San Jose → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Syed Afroz, M.D.San Jose, CA 951161033249099
- Normita Ayupan, M.D.San Jose, CA 951161215143961
- Ashley Chen, M.D.San Jose, CA 951161619941721
- Phuong-Thuy Le, MDSan Jose, CA 951161659457315
- Francis Lu, MDSan Jose, CA 951161366471401
- Jennifer Narvaez, M.D.San Jose, CA 951161225164908
- Maryam Nazian Najafi, MDSan Jose, CA 951161679860464
- Antonio Nolasco, M.D.San Jose, CA 951161528192481
Common questions
What is Jia Guo, MD's NPI number?
Jia Guo, MD's National Provider Identifier (NPI) is 1508443235, issued on Mar 27, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Jia Guo, MD located?
The NPPES record lists a practice address at 2101 Alexian Dr Ste D, San Jose, CA, 95116. Phone: (408) 885-5000. Providers update this record themselves, so call before visiting.
How can I verify Jia Guo, MD's license?
NPPES lists California license number A201442, 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 Jia Guo, MD prescribe under Medicare Part D?
In 2024, Jia Guo, MD had 59 Medicare Part D claims for 16 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.