Haiyan Guo, DO
Anesthesiology Physician · Fresno, CA
Haiyan Guo, DO is an anesthesiology physician with a practice address in Fresno, California, and NPI 1881223444, issued on Apr 6, 2020. Check the license (California 20A21435, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Haiyan Guo
- Credential
- DO
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 20A21435 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7300 N Fresno St, Fresno, CA 93720
- Phone
- (559) 448-4500
- Enumerated
- Apr 6, 2020
- Record last updated
- Oct 12, 2024
- Medicare enrollment
- Enrolled (PECOS I20241106003031); accepts Medicare assignment
- Medical or professional school
- Touro Un College Of Osteopathic Medicine, Vallejo, 2020
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 7300 N Fresno St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Israa Al-Ani, MDStudent in an Organized Health Care Education/Training Program1639707052
- Ahmed Alqaysi, MDInternal Medicine Physician1861995813
Verify Haiyan Guo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A21435Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Permanente Medical Group IncFresno, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Haiyan Guo among 7,571 anesthesiology physician records in California
Haiyan Guo, DO is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 92% of them.
- NPI issued2020 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2020 · median 2006 among the 4,868 with a school on file
- Record last updated2024 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in California
There are 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in Fresno → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Lars Bjorkman, M.D.Fresno, CA 937201285666941
- Sung Chae, M.D.Fresno, CA 937201518999200
- Tara Chaudhari, M.D.Fresno, CA 937201548292253
- Byung Chung, MDFresno, CA 937201295786176
- John Corbin, M.D.Fresno, CA 937201811929425
- Mark Hafner, M.D.Fresno, CA 937201952382095
- Kenneth Ikemiya, MDFresno, CA 937201396777801
- Maciej Kopacz, M.D.Fresno, CA 937201912948258
Common questions
What is Haiyan Guo, DO's NPI number?
Haiyan Guo, DO's National Provider Identifier (NPI) is 1881223444, issued on Apr 6, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Haiyan Guo, DO located?
The NPPES record lists a practice address at 7300 N Fresno St, Fresno, CA, 93720. Phone: (559) 448-4500. Providers update this record themselves, so call before visiting.
How can I verify Haiyan Guo, DO's license?
NPPES lists California license number 20A21435, 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.
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.