Yun Tong
Dermatology Physician · Fontana, CA
Yun Tong is a dermatology physician with a practice address in Fontana, California, and NPI 1700220902, issued on Apr 18, 2013. Check the license (California A145059, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Yun Tong
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- A145059 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9961 Sierra Ave, Fontana, CA 92335
- Phone
- (833) 574-2273
- Enumerated
- Apr 18, 2013
- Record last updated
- May 6, 2026
- Medicare enrollment
- Enrolled (PECOS I20220119001798); accepts Medicare assignment
- Medical or professional school
- University Of Nebraska College Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 9961 Sierra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jenny Abouelsood, M.D.Family Medicine Physician1457638512
- Marla Abrolat, MDPediatrics Physician1164593133
- Eduardo Acosta, MDPediatrics Physician1497803324
- Michael Adair, MDFamily Medicine Physician1780732651
- Berneva Adams, MDObstetrics & Gynecology Physician1376602987
Verify Yun Tong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A145059Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% more Medicare Part D claims than the average dermatology physician in 2024
1,034 Medicare Part D claims for 388 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Triamcinolone Acetonide146 claims
- Clobetasol Propionate137 claims
- Ketoconazole125 claims
- Fluorouracil95 claims
- Betamethasone Diprop Augmented87 claims
- Hydrocortisone49 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 GroupOntario, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yun Tong among 2,083 dermatology physician records in California
Yun Tong is one of 2,083 dermatology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 72% of them.
- NPI issued2013 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2013 · median 2006 among the 1,450 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in California
There are 2,083 dermatology physician records in California.
All 2,083 in California → Every provider in Fontana → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Monika Curlin, MDFontana, CA 923351023189081
- Phillip Hsu, M.D.Fontana, CA 923351366400574
- Lewis Kramer, MDFontana, CA 923351255408266
- Linh Lu, MDFontana, CA 923351548316144
- William Sharra III, MDFontana, CA 923351376610246
- Emily Tang, MDFontana, CA 923351598824153
- Walter Tjoa, MDFontana, CA 923351801955463
- Zhi-Gang Wei, MDFontana, CA 923351831258417
Common questions
What is Yun Tong's NPI number?
Yun Tong's National Provider Identifier (NPI) is 1700220902, issued on Apr 18, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Yun Tong located?
The NPPES record lists a practice address at 9961 Sierra Ave, Fontana, CA, 92335. Phone: (833) 574-2273. Providers update this record themselves, so call before visiting.
How can I verify Yun Tong's license?
NPPES lists California license number A145059, 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 Yun Tong prescribe under Medicare Part D?
In 2024, Yun Tong had 1,034 Medicare Part D claims for 388 beneficiaries; the average among dermatology physician prescribers was 797. 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.