Gemma Deguzman Espejo, M.D.
Psychiatry Physician · Orange, CA
Gemma Deguzman Espejo, M.D. is a psychiatry physician with a practice address in Orange, California, and NPI 1164837035, issued on Jun 30, 2014. Check the license (California A180296, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gemma Deguzman Espejo
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- A180296 CA
2014018192 MO
Self-reported in NPPES; status is on the state search - Practice location
- 3800 W Chapman Ave Ste 500, Orange, CA 92868
- Phone
- (714) 456-5902
- Enumerated
- Jun 30, 2014
- Record last updated
- Feb 7, 2023
- Medicare enrollment
- Enrolled (PECOS I20220913001282); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 2014
- 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 3800 W Chapman Ave Ste 500
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fatimah Aftab, MDStudent in an Organized Health Care Education/Training Program1831031970
- Jacob AlbrittonStudent in an Organized Health Care Education/Training Program1780438820
- Christy Alhannat, MDStudent in an Organized Health Care Education/Training Program1003758608
- Alvaro Alvarez, MDPsychiatry Physician1356196893
- Lydia AnnPsychiatry Physician1316433303
- Austin BuckStudent in an Organized Health Care Education/Training Program1043064728
Verify Gemma Deguzman Espejo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A180296Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average psychiatry physician in 2024
123 Medicare Part D claims for 25 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Clonazepam23 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.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Department OF PsychiatryOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gemma Deguzman Espejo among 8,673 psychiatry physician records in California
Gemma Deguzman Espejo, M.D. 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 2014, is newer than 71% of them.
- NPI issued2014 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2014 · median 2005 among the 3,295 with a school on file
- Record last updated2023 · 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).
116 psychiatry physician records list a practice address in Orange
They are 116 of the 13,245 NPPES records with a practice address in Orange, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Orange → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Daniel Chueh, M.D.Orange, CA 928681174589642
- K De Silva, MDOrange, CA 928681992730170
- Constance De Silva, MDOrange, CA 928681912922634
- Lianjie Du, M.D.Orange, CA 928681255331385
- Gaurav Gandotra, MDOrange, CA 928681386617421
- Carla Hammond, M.D.Orange, CA 928681407889355
- Alan Hanft, M.D.Orange, CA 928681376599076
- Joshua Israel, MDOrange, CA 928681689628265
Common questions
What is Gemma Deguzman Espejo, M.D.'s NPI number?
Gemma Deguzman Espejo, M.D.'s National Provider Identifier (NPI) is 1164837035, issued on Jun 30, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Gemma Deguzman Espejo, M.D. located?
The NPPES record lists a practice address at 3800 W Chapman Ave Ste 500, Orange, CA, 92868. Phone: (714) 456-5902. Providers update this record themselves, so call before visiting.
How can I verify Gemma Deguzman Espejo, M.D.'s license?
NPPES lists California license number A180296, 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 Gemma Deguzman Espejo, M.D. prescribe under Medicare Part D?
In 2024, Gemma Deguzman Espejo, M.D. had 123 Medicare Part D claims for 25 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Gemma Deguzman Espejo, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.