Karen Jean Fong, MD
Otolaryngology Physician · Walnut Creek, CA
Karen Jean Fong, MD is an otolaryngology physician with a practice address in Walnut Creek, California, and NPI 1548275068, issued on Jul 31, 2006. Check the license (California A52969, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karen Jean Fong
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- A52969 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2637 Shadelands Dr, Walnut Creek, CA 94598
- Phone
- (925) 300-4680
- Enumerated
- Jul 31, 2006
- Record last updated
- May 1, 2025
- Fax
- (925) 906-9780
- Medicare enrollment
- Enrolled (PECOS I20080611000706); accepts Medicare assignment
- Medical or professional school
- Baylor College Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 1,212 in California → Look up another NPI →
Also registered at 2637 Shadelands Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anita Anand, NPFamily Nurse Practitioner1023993102
- Stacyann Andaya, NPFamily Nurse Practitioner1649893660
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- Anthony Bernens, MDInternal Medicine Physician1215983440
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- Heidi Chang, MDObstetrics & Gynecology Physician1649681982
Verify Karen Jean Fong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A52969Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average otolaryngology physician in 2024
330 Medicare Part D claims for 122 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Ipratropium Bromide75 claims
- Azelastine Hcl50 claims
- Fluticasone Propionate38 claims
- Prednisolone Acetate30 claims
- Mupirocin21 claims
- Montelukast Sodium19 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.
The MIPS final score for 2023 (Medicare payment program): 91.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $326.07
12 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Bass Medical GroupAlamo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Jean Fong among 1,212 otolaryngology physician records in California
Karen Jean Fong, MD is one of 1,212 otolaryngology physician records with a practice address in California. 80% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 52% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1992 · median 2004 among the 818 with a school on file
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in California
There are 1,212 otolaryngology physician records in California.
All 1,212 in California → Every provider in Walnut Creek → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Erica Bennett, MDWalnut Creek, CA 945981164438875
- Pamela Bohrer, MDWalnut Creek, CA 945981497839476
- Kyle Hannabass, M.D.Walnut Creek, CA 945981154784866
- Abraham Hsieh, MDWalnut Creek, CA 945981679520076
- Jeehong Kim, M.DWalnut Creek, CA 945981629423140
- Benjamin Loos, MDWalnut Creek, CA 945981457441214
- Michael Murphy, MDWalnut Creek, CA 945981013964410
- Timothy Scott, MDWalnut Creek, CA 945981760439160
Common questions
What is Karen Jean Fong, MD's NPI number?
Karen Jean Fong, MD's National Provider Identifier (NPI) is 1548275068, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Jean Fong, MD located?
The NPPES record lists a practice address at 2637 Shadelands Dr, Walnut Creek, CA, 94598. Phone: (925) 300-4680. Providers update this record themselves, so call before visiting.
How can I verify Karen Jean Fong, MD's license?
NPPES lists California license number A52969, 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 Jean Fong, MD prescribe under Medicare Part D?
In 2024, Karen Jean Fong, MD had 330 Medicare Part D claims for 122 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
What is Karen Jean Fong, MD's MIPS final score?
The 2023 MIPS final score is 91.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.