NPPES file of Aug 9, 2026

Betty Po Tsang, D.O.

Family Medicine Physician · Chino, CA

Betty Po Tsang, D.O. is a family medicine physician with a practice address in Chino, California, and NPI 1245620293, issued on Jan 29, 2015. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245620293
Name
Betty Po Tsang
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
Practice location
5451 Walnut Ave, Chino, CA 91710
Phone
(909) 464-9675
Enumerated
Jan 29, 2015
Record last updated
Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170509002549); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5451 Walnut Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ashraf Abdel-KerimEmergency Medicine Physician1396961538
  2. Udhaya AeletyFamily Medicine Physician1740815943
  3. Ahmet AhmadiStudent in an Organized Health Care Education/Training Program1043199532
  4. Brian Ahn, D.O.Student in an Organized Health Care Education/Training Program1265849749
  5. Randall Allred, D.O.Student in an Organized Health Care Education/Training Program1629427703
  6. Harikrishna Ambati, MDFamily Medicine Physician1154998730

Verify Betty Po Tsang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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83% fewer Medicare Part D claims than the average family medicine physician in 2024

616 Medicare Part D claims for 397 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Betty Tsang616
  2. Specialty average3,544

Most prescribed

  1. Prednisone92 claims
  2. Ibuprofen72 claims
  3. Albuterol Sulfate Hfa42 claims
  4. Doxycycline Monohydrate40 claims
  5. Cefadroxil34 claims
  6. Amoxicillin-Clavulanate Potass31 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

  1. Southern California Permanente Medical GroupGarden Grove, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Betty Po Tsang among 17,133 family medicine physician records in California

Betty Po Tsang, D.O. 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 2015, is newer than 74% of them.

  • NPI issued2015 · 74% of these records are older, 24% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2014 · 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).

45 family medicine physician records list a practice address in Chino

They are 45 of the 1,097 NPPES records with a practice address in Chino, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Jackson Alparce, M/D.Chino, CA 917101427162437
  2. Farah Ameeri, D.O.Chino, CA 917101023054699
  3. Subash Chander, M.DChino, CA 917101417003930
  4. Yolanda Grady, M.D.Chino, CA 917101235135518
  5. Pamela Harford, DOChino, CA 917101841299559
  6. Anita Kundi, D.OChino, CA 917101518933266
  7. Paul Lai, D.O.Chino, CA 917101508811514
  8. James Lally, D.O.Chino, CA 917101285633867

Common questions

What is Betty Po Tsang, D.O.'s NPI number?

Betty Po Tsang, D.O.'s National Provider Identifier (NPI) is 1245620293, issued on Jan 29, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Betty Po Tsang, D.O. located?

The NPPES record lists a practice address at 5451 Walnut Ave, Chino, CA, 91710. Phone: (909) 464-9675. Providers update this record themselves, so call before visiting.

How can I verify Betty Po Tsang, D.O.'s license?

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 Betty Po Tsang, D.O. prescribe under Medicare Part D?

In 2024, Betty Po Tsang, D.O. had 616 Medicare Part D claims for 397 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.