Uta Guo
Family Medicine Physician · Irvine, CA
Uta Guo is a family medicine physician with a practice address in Irvine, California, and NPI 1225564172, issued on May 11, 2017. Check the license (California C202986, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Uta Guo
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- C202986 CA
306421 NY
Self-reported in NPPES; status is on the state search - Practice location
- 4050 Barranca Pkwy Ste 200, Irvine, CA 92604
- Phone
- (949) 551-1090
- Enumerated
- May 11, 2017
- Record last updated
- Sep 22, 2025
- Fax
- (949) 262-5500
- Medicare enrollment
- Enrolled (PECOS I20251006003021); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 4050 Barranca Pkwy Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Uta Guo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C202986Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average family medicine physician in 2024
361 Medicare Part D claims for 66 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium38 claims
- Amlodipine Besylate25 claims
- Metformin Hcl Er22 claims
- Lisinopril12 claims
- Atenolol11 claims
- Synthroid11 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.
Industry payments in 2024: $23.10
1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Icahn School OF Medicine AT Mount SinaiNew York, NY
- Memorialcare Medical FoundationIrvine, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Uta Guo among 17,133 family medicine physician records in California
Uta Guo is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 79% of them.
- NPI issued2017 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2016 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
148 family medicine physician records list a practice address in Irvine
They are 148 of the 7,778 NPPES records with a practice address in Irvine, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Irvine → Family Medicine Physician nationwide →
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Common questions
What is Uta Guo's NPI number?
Uta Guo's National Provider Identifier (NPI) is 1225564172, issued on May 11, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Uta Guo located?
The NPPES record lists a practice address at 4050 Barranca Pkwy Ste 200, Irvine, CA, 92604. Phone: (949) 551-1090. Providers update this record themselves, so call before visiting.
How can I verify Uta Guo's license?
NPPES lists California license number C202986, 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 Uta Guo prescribe under Medicare Part D?
In 2024, Uta Guo had 361 Medicare Part D claims for 66 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.