Mai Gu, MD
Anatomic Pathology & Clinical Pathology Physician · Corona, CA
Mai Gu, MD is an anatomic pathology & clinical pathology physician with a practice address in Corona, California, and NPI 1821048257, issued on May 10, 2006. Check the license (California A68810, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mai Gu
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- A68810 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1810 Fullerton Ave Ste 102, Corona, CA 92881
- Phone
- (951) 808-8863
- Enumerated
- May 10, 2006
- Record last updated
- Aug 5, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (951) 808-0550
- Medicare enrollment
- Enrolled (PECOS I20080212000517); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 1,554 in California → Look up another NPI →
Verify Mai Gu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A68810Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 0 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).
Mai Gu among 1,554 anatomic pathology & clinical pathology physician records in California
Mai Gu, MD is one of 1,554 anatomic pathology & clinical pathology physician records with a practice address in California. 65% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 57% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1988 · median 2003 among the 891 with a school on file
- Record last updated2020 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in California
There are 1,554 anatomic pathology & clinical pathology physician records in California.
All 1,554 in California → Every provider in Corona → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Stephan Grigorian, M.D.Corona, CA 928821821129057
- Calvin Marantz, M.D.Corona, CA 928821639171788
- Ammar Matloob, MDCorona, CA 928821780051565
- Nawar Matti, M.D.Corona, CA 928821548624836
- Boris Shlopov, M.D., PH.D.Corona, CA 928821801088406
- Andy Hsi, M.D.Placentia, CA 928701366832032
- Bita Behjatnia, M.D.Orange, CA 928691396909966
- Ali Afsari, M.D.Orange, CA 928681275064362
Common questions
What is Mai Gu, MD's NPI number?
Mai Gu, MD's National Provider Identifier (NPI) is 1821048257, issued on May 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mai Gu, MD located?
The NPPES record lists a practice address at 1810 Fullerton Ave Ste 102, Corona, CA, 92881. Phone: (951) 808-8863. Providers update this record themselves, so call before visiting.
How can I verify Mai Gu, MD's license?
NPPES lists California license number A68810, 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.
What is Mai Gu, MD's MIPS final score?
The 2023 MIPS final score is 0 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.