Ai Xia Joyce Li, MD
Obstetrics & Gynecology Physician · Fremont, CA
Ai Xia Joyce Li, MD is an obstetrics & gynecology physician with a practice address in Fremont, California, and NPI 1881746691, issued on Jan 18, 2007. Check the license (California A78733, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ai Xia Joyce Li
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A78733 CA
Self-reported in NPPES; status is on the state search - Practice location
- 39400 Paseo Padre Pkwy, Fremont, CA 94538
- Phone
- (510) 795-3000
- Enumerated
- Jan 18, 2007
- Record last updated
- Dec 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00A787330 CA
- Medicare enrollment
- Enrolled (PECOS I20040910001213); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 39400 Paseo Padre Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Dolly Ahluwalia, RDRegistered Dietitian1659429157
- Tabassum Alam, MDHospitalist Physician1306921069
- Mary Alyono, MDAnesthesiology Physician1477631059
- Stephanie Aoki, PHDPsychologist1427721216
Verify Ai Xia Joyce Li in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A78733Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
316 Medicare Part D claims for 120 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Estradiol119 claims
- Estring24 claims
- Oxybutynin Chloride Er23 claims
- Medroxyprogesterone Acetate17 claims
- Clobetasol Propionate14 claims
- Hydrocortisone14 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.
Bills Medicare through one group practice
- Permanente Medical Group IncFremont, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ai Xia Joyce Li among 5,088 obstetrics & gynecology physician records in California
Ai Xia Joyce Li, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 38% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2000 · median 2004 among the 2,700 with a school on file
- Record last updated2021 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Fremont → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Margie Aleman-Martin, MDFremont, CA 945381932180494
- Gene Barrie, MDFremont, CA 945381851369649
- Stacey Barrie, MDFremont, CA 945381841268646
- Irene Beissner, MDFremont, CA 945381922100908
- Siobhan Calhoun, MDFremont, CA 945381396726295
- Craig Johnson, MDFremont, CA 945381871561670
- Shakira Karipineni, MDFremont, CA 945381780684761
- Elizabeth Kurkjian, MDFremont, CA 945381598727414
Common questions
What is Ai Xia Joyce Li, MD's NPI number?
Ai Xia Joyce Li, MD's National Provider Identifier (NPI) is 1881746691, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ai Xia Joyce Li, MD located?
The NPPES record lists a practice address at 39400 Paseo Padre Pkwy, Fremont, CA, 94538. Phone: (510) 795-3000. Providers update this record themselves, so call before visiting.
How can I verify Ai Xia Joyce Li, MD's license?
NPPES lists California license number A78733, 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 Ai Xia Joyce Li, MD prescribe under Medicare Part D?
In 2024, Ai Xia Joyce Li, MD had 316 Medicare Part D claims for 120 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.