NPPES file of Aug 9, 2026

Sandra Wong, D.O.

Family Medicine Physician · Fremont, CA

Sandra Wong, D.O. is a family medicine physician with a practice address in Fremont, California, and NPI 1275624942, issued on Sep 27, 2006. Check the license (California 20A8000, as entered in NPPES) 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
1275624942
Name
Sandra Wong
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20A8000 CA
Self-reported in NPPES; status is on the state search
Practice location
3200 Kearney St, Fremont, CA 94538
Phone
(510) 490-1222
Enumerated
Sep 27, 2006
Record last updated
May 14, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20050330001274); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 3200 Kearney St

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

  1. Jia Afnan, PAPhysician Assistant1376763698
  2. Jessica Aldaz, FNPFamily Nurse Practitioner1740467174
  3. Neha AnandFamily Medicine Physician1477810836
  4. Lauren Auerbach, MDEmergency Medicine Physician1033678990
  5. Ritika Aulakh, D.OFamily Medicine Physician1346335072
  6. Rupal Badani, M.D.Pediatrics Physician1598857765

Verify Sandra Wong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A8000
    Check 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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59% fewer Medicare Part D claims than the average family medicine physician in 2024

1,462 Medicare Part D claims for 130 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. 26 claims were for opioids.

  1. Sandra Wong1,462
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium129 claims
  2. Losartan Potassium102 claims
  3. Amlodipine Besylate100 claims
  4. Metformin Hcl78 claims
  5. Pravastatin Sodium64 claims
  6. Hydrochlorothiazide57 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: $22.14

1 payment: food and beverage; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sandra Wong$22.14
  2. Specialty average$902.55

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

  1. Sutter Bay Medical FoundationMilpitas, CA

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

Sandra Wong among 17,133 family medicine physician records in California

Sandra Wong, 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 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2000 · median 2005 among the 10,652 with a school on file
  • Record last updated2020 · 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).

90 family medicine physician records list a practice address in Fremont

They are 90 of the 4,749 NPPES records with a practice address in Fremont, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Arshia Arjumand, MDFremont, CA 945381215961917
  2. Jan Dickey, MDFremont, CA 945381134153752
  3. Gail Dressler, MDFremont, CA 945381821004847
  4. Caroline Garcia, MDFremont, CA 945381922114180
  5. Kelly Renee Miller, MDFremont, CA 945381841286705
  6. Durriyah Mogri, MDFremont, CA 945381386670784
  7. Aruna Reddy, MDFremont, CA 945381225034556
  8. Ranjana Sharma, MDFremont, CA 945381548270119

Common questions

What is Sandra Wong, D.O.'s NPI number?

Sandra Wong, D.O.'s National Provider Identifier (NPI) is 1275624942, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sandra Wong, D.O. located?

The NPPES record lists a practice address at 3200 Kearney St, Fremont, CA, 94538. Phone: (510) 490-1222. Providers update this record themselves, so call before visiting.

How can I verify Sandra Wong, D.O.'s license?

NPPES lists California license number 20A8000, 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 Sandra Wong, D.O. prescribe under Medicare Part D?

In 2024, Sandra Wong, D.O. had 1,462 Medicare Part D claims for 130 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.