Emily Yu
Obstetrics & Gynecology Physician · San Mateo, CA
Emily Yu is an obstetrics & gynecology physician with a practice address in San Mateo, California, and NPI 1578776639, issued on May 7, 2007. Check the license (California A99819, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Emily Yu
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A99819 CA
Self-reported in NPPES; status is on the state search - Practice location
- 136 N San Mateo Dr, San Mateo, CA 94401
- Phone
- (650) 344-1114
- Enumerated
- May 7, 2007
- Record last updated
- Apr 15, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (650) 344-2274
- Medicare enrollment
- Enrolled (PECOS I20090904000415); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2005
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 136 N San Mateo Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Beatrice Burke, MDObstetrics & Gynecology Physician1033298625
- Nicholas BurleyCounselor1801919253
- Carolyn BurnsMarriage & Family Therapist1922146638
- Laura CarpenterCounselor1265696603
- Tracy CornerLicensed Psychiatric Technician1033258421
- Nicole DobelCounselor1588703805
Verify Emily Yu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A99819Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
58 Medicare Part D claims for 25 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol25 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: $213.29
11 payments; by number, the most common kind was food and beverage; the largest payer was Mayne Pharma Commercial LLC. 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 FoundationOakland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Emily Yu among 5,088 obstetrics & gynecology physician records in California
Emily Yu 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
- Graduated2005 · median 2004 among the 2,700 with a school on file
- Record last updated2015 · 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 San Mateo → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Shelley Adams, MDSan Mateo, CA 944011891801932
- Maryam Arjomand, M.D.San Mateo, CA 944011689763781
- Sandra Beretta, MDSan Mateo, CA 944011568573889
- Beatrice Burke, MDSan Mateo, CA 944011033298625
- Melissa Duncanson, MDSan Mateo, CA 944011144753443
- Alexandra Flessel, MDSan Mateo, CA 944011003493701
- Henry Hamilton, M.D.San Mateo, CA 944011417927534
- Elizabeth Murphy, MDSan Mateo, CA 944011942311261
Common questions
What is Emily Yu's NPI number?
Emily Yu's National Provider Identifier (NPI) is 1578776639, issued on May 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Emily Yu located?
The NPPES record lists a practice address at 136 N San Mateo Dr, San Mateo, CA, 94401. Phone: (650) 344-1114. Providers update this record themselves, so call before visiting.
How can I verify Emily Yu's license?
NPPES lists California license number A99819, 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 Emily Yu prescribe under Medicare Part D?
In 2024, Emily Yu had 58 Medicare Part D claims for 25 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.