Emily Tan
Endocrinology, Diabetes & Metabolism Physician · Garden Grove, CA
Emily Tan is an endocrinology, diabetes & metabolism physician with a practice address in Garden Grove, California, and NPI 1306010947, issued on Apr 15, 2008. Check the license (California A93419, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Emily Tan
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- A93419 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12100 Euclid St, Garden Grove, CA 92840
- Phone
- (888) 988-2800
- Enumerated
- Apr 15, 2008
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20081020000168); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Also registered at 12100 Euclid St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maydole Aldalur, NURSE PRACTITIONERPediatric Nurse Practitioner1811317001
- Christine AtallaPharmacist1154860070
- Yvonne Bach, M.D.Pediatrics Physician1396967337
- Ashley Brown, M.D.Dermatology Physician1245591783
- Tuan Cao, PHARM.DPharmacist1679011571
- Jennifer Chan, D.O.Family Medicine Physician1821433830
Verify Emily Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A93419Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
771 Medicare Part D claims for 185 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Levothyroxine Sodium294 claims
- Methimazole69 claims
- Ozempic37 claims
- Liothyronine Sodium31 claims
- Alendronate Sodium21 claims
- Nano 2nd Gen Pen Needle20 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
- Southern California Permanente Medical GroupAnaheim, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Emily Tan among 1,131 endocrinology, diabetes & metabolism physician records in California
Emily Tan is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 58% of them.
- NPI issued2008 · 58% of these records are older, 36% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2002 · median 2003 among the 779 with a school on file
- Record last updated2021 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in Garden Grove → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Hyunju Lee, M.D.Garden Grove, CA 928431629483102
- Ole Saetrum Opgaard, M.D., PH.DGarden Grove, CA 928441649211012
- Serhat Aytug, M.D.Fullerton, CA 928351194707471
- Jeffrey Bodwin, MDFullerton, CA 928351932195476
- John Gilbert, M.D.Fullerton, CA 928351588650667
- Maximiliano Hyon, D.O.Fullerton, CA 928351942626767
- Michael Kuo, MDFullerton, CA 928351033593744
- Jason Ling, MDFullerton, CA 928351154664597
Common questions
What is Emily Tan's NPI number?
Emily Tan's National Provider Identifier (NPI) is 1306010947, issued on Apr 15, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Emily Tan located?
The NPPES record lists a practice address at 12100 Euclid St, Garden Grove, CA, 92840. Phone: (888) 988-2800. Providers update this record themselves, so call before visiting.
How can I verify Emily Tan's license?
NPPES lists California license number A93419, 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 Tan prescribe under Medicare Part D?
In 2024, Emily Tan had 771 Medicare Part D claims for 185 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.