Xin Guan, MD
Obstetrics & Gynecology Physician · Ventura, CA
Xin Guan, MD is an obstetrics & gynecology physician with a practice address in Ventura, California, and NPI 1902269434, issued on Apr 1, 2016. Check the license (California A167401, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Xin Guan
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A167401 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Hillmont Ave Ste 401, Ventura, CA 93003
- Phone
- (805) 648-9830
- Enumerated
- Apr 1, 2016
- Record last updated
- Jul 13, 2023
- Medicare enrollment
- Enrolled (PECOS I20200826003353); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 2016
- Entity
- Type 1 · individual
Also registered at 300 Hillmont Ave Ste 401
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Duncan, DOSurgery Physician1316097439
- Hailey Eisner, D.O.Urology Physician1154771285
- Teresa Hong, NPFamily Nurse Practitioner1013251396
- Kenneth Leong, MDPlastic Surgery Physician1366519266
- Nathan Oh, D.O.Neurological Surgery Physician1992115778
- Nissar Shah, M.DEndocrinology, Diabetes & Metabolism Physician1407078215
Verify Xin Guan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A167401Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
60 Medicare Part D claims for 18 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol15 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 practice group's MIPS final score for 2023 (Medicare payment program): 87.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $142.03
2 payments; by number, the most common kind was food and beverage; the largest payer was Meditrina. The 21,429 providers of this specialty with any payment received $1,030.61 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 one group practice
- County OF VenturaVentura, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
Other obstetrics & gynecology physician records in California
- Ingrid Aalami, MDSan Jose, CA1952376550
- Avisa Abaian- Eagar, M.D.Orange, CA1316057755
- Derek Abbassi, MDWalnut Creek, CA1841364155
- Ahmed Abdelaziz, MDSanta Maria, CA1790039733
- Alireza Abdollah Shamshirsaz, M.D.Palo Alto, CA1881804235
- Nicole Abell, DOVentura, CA1811243603
- Zachary AbelsonLos Angeles, CA1689237414
- Ray Abinader, M.D.Loma Linda, CA1770901548
- Tarek Abou El Kheir, M.D.San Bernardino, CA1477521789
- Nada Abou-HaibaLos Angeles, CA1134067549
Common questions
What is Xin Guan, MD's NPI number?
Xin Guan, MD's National Provider Identifier (NPI) is 1902269434, issued on Apr 1, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Xin Guan, MD located?
The NPPES record lists a practice address at 300 Hillmont Ave Ste 401, Ventura, CA, 93003. Phone: (805) 648-9830. Providers update this record themselves, so call before visiting.
How can I verify Xin Guan, MD's license?
NPPES lists California license number A167401, 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 Xin Guan, MD prescribe under Medicare Part D?
In 2024, Xin Guan, MD had 60 Medicare Part D claims for 18 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Xin Guan, MD's MIPS final score?
The 2023 MIPS final score is 87.2 of 100, reported for the practice group. 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.