Karen Fong Wu, MD
Family Medicine Physician · Fresno, CA
Karen Fong Wu, MD is a family medicine physician with a practice address in Fresno, California, and NPI 1912401993, issued on Mar 22, 2018. Check the license (California A173723, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karen Fong Wu
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A173723 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7300 N Fresno St, Fresno, CA 93720
- Phone
- (559) 448-4500
- Enumerated
- Mar 22, 2018
- Record last updated
- Aug 16, 2024
- Medicare enrollment
- Enrolled (PECOS I20220422001836); 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 7300 N Fresno St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karen Fong Wu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A173723Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average family medicine physician in 2024
655 Medicare Part D claims for 167 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 13 claims were for opioids.
Most prescribed
- Atorvastatin Calcium56 claims
- Metformin Hcl39 claims
- Lisinopril38 claims
- Amlodipine Besylate35 claims
- Glipizide22 claims
- Fluticasone Propionate21 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
- Permanente Medical Group IncClovis, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Fong Wu among 17,133 family medicine physician records in California
Karen Fong Wu, MD 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 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2017 · median 2005 among the 10,652 with a school on file
- Record last updated2024 · 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).
237 family medicine physician records list a practice address in Fresno
They are 237 of the 19,440 NPPES records with a practice address in Fresno, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Fresno → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Richard Berquist, MDFresno, CA 937201588659718
- Eric Bridgnell, MDFresno, CA 937201639164197
- Gary Critser, D.O.Fresno, CA 937201154392892
- Michael Dayton, M.D.Fresno, CA 937201790715548
- Ahmad Emami, M.D.Fresno, CA 937201760463558
- Mary Hill, MDFresno, CA 937201356335053
- Christopher Horton, MDFresno, CA 937201619951654
- Sami Issa, MDFresno, CA 937201558356014
Common questions
What is Karen Fong Wu, MD's NPI number?
Karen Fong Wu, MD's National Provider Identifier (NPI) is 1912401993, issued on Mar 22, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Karen Fong Wu, MD located?
The NPPES record lists a practice address at 7300 N Fresno St, Fresno, CA, 93720. Phone: (559) 448-4500. Providers update this record themselves, so call before visiting.
How can I verify Karen Fong Wu, MD's license?
NPPES lists California license number A173723, 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 Karen Fong Wu, MD prescribe under Medicare Part D?
In 2024, Karen Fong Wu, MD had 655 Medicare Part D claims for 167 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.