Elena Luo Chan, MD
Obstetrics & Gynecology Physician · Hayward, CA
Elena Luo Chan, MD is an obstetrics & gynecology physician with a practice address in Hayward, California, and NPI 1346738267, issued on Apr 26, 2018. Check the license (California A163465, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Elena Luo Chan
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A163465 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27225 Calaroga Ave, Hayward, CA 94545
- Phone
- (408) 259-5950
- Enumerated
- Apr 26, 2018
- Record last updated
- Feb 20, 2023
- Medicare enrollment
- Enrolled (PECOS I20230707000951); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 27225 Calaroga Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Malcolm Garfinkle, M.D.Surgery Physician1215125638
- Senzan Hsu, M.D.Obstetrics & Gynecology Physician1184677940
- Kenya Numan, M.D.Obstetrics Physician1568501948
- Anjalika Pattanaik, MDObstetrics & Gynecology Physician1831294339
- Pamela Simons, MDObstetrics & Gynecology Physician1124188115
- Daphne Singh, NP-CObstetrics & Gynecology Physician1386288090
Verify Elena Luo Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A163465Check 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 30 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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: $43.12
2 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, Inc. 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
- Ucsf Health Medical FoundationRedwood City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elena Luo Chan among 5,088 obstetrics & gynecology physician records in California
Elena Luo Chan, 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 2018, is newer than 90% of them.
- NPI issued2018 · 90% of these records are older, 8% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2018 · median 2004 among the 2,700 with a school on file
- Record last updated2023 · 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 Hayward → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Marc Anker, MDHayward, CA 945451376621128
- Daksha Barot, MDHayward, CA 945451700958535
- Beth Cowan, MDHayward, CA 945451376552059
- Michael Fogarty, DOHayward, CA 945451194803957
- Robyn Goodfellow, MDHayward, CA 945451740368505
- Setareh Hafezi, M.D.Hayward, CA 945451285807495
- Robert Hosang, MDHayward, CA 945451558449306
- Senzan Hsu, M.D.Hayward, CA 945451184677940
Common questions
What is Elena Luo Chan, MD's NPI number?
Elena Luo Chan, MD's National Provider Identifier (NPI) is 1346738267, issued on Apr 26, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Elena Luo Chan, MD located?
The NPPES record lists a practice address at 27225 Calaroga Ave, Hayward, CA, 94545. Phone: (408) 259-5950. Providers update this record themselves, so call before visiting.
How can I verify Elena Luo Chan, MD's license?
NPPES lists California license number A163465, 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 Elena Luo Chan, MD prescribe under Medicare Part D?
In 2024, Elena Luo Chan, MD had 60 Medicare Part D claims for 30 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.