Cathy Tong, M.D.
Family Medicine Physician · Whittier, CA
Cathy Tong, M.D. is a family medicine physician with a practice address in Whittier, California, and NPI 1558545277, issued on Dec 18, 2007. Check the license (California A102106, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cathy Tong
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A102106 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12291 Washington Blvd, Whittier, CA 90606
- Phone
- (562) 698-0811
- Enumerated
- Dec 18, 2007
- Record last updated
- Dec 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20091219000117); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 12291 Washington Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- America Amaro, RDNRegistered Dietitian1851096481
- John Anderson, PHARM.D.Pharmacist1023344850
- Ashwin Ashok, M.D.Gastroenterology Physician1134311236
- Fasiha Aziz, PHARM.D.Pharmacist1114983954
Verify Cathy Tong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A102106Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average family medicine physician in 2024
1,437 Medicare Part D claims for 381 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium140 claims
- Losartan Potassium74 claims
- Amlodipine Besylate72 claims
- Simvastatin55 claims
- Lisinopril47 claims
- Metformin Hcl46 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 GroupBaldwin Park, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cathy Tong among 17,133 family medicine physician records in California
Cathy Tong, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% 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 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2006 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 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 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
87 family medicine physician records list a practice address in Whittier
They are 87 of the 2,836 NPPES records with a practice address in Whittier, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Whittier → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- David Abiva, PA-CWhittier, CA 906061295858215
- Benjamin Birdsall, M.D.Whittier, CA 906061740458801
- Emanuela Bonfoco, MD, PHDWhittier, CA 906061699959973
- Alexis Cambanis, M.D., MTROPMEDWhittier, CA 906061598819419
- Nelson Dalla Tor, MDWhittier, CA 906061871634162
- Cesar Espiritu, M.D.Whittier, CA 906061144418104
- Ronald Galbreath, M.D.Whittier, CA 906061629160551
- David Gothard, M.D.Whittier, CA 906061417083999
Common questions
What is Cathy Tong, M.D.'s NPI number?
Cathy Tong, M.D.'s National Provider Identifier (NPI) is 1558545277, issued on Dec 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Cathy Tong, M.D. located?
The NPPES record lists a practice address at 12291 Washington Blvd, Whittier, CA, 90606. Phone: (562) 698-0811. Providers update this record themselves, so call before visiting.
How can I verify Cathy Tong, M.D.'s license?
NPPES lists California license number A102106, 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 Cathy Tong, M.D. prescribe under Medicare Part D?
In 2024, Cathy Tong, M.D. had 1,437 Medicare Part D claims for 381 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.