KAREN JEAN FONG MD
NPI 1548275068
Otolaryngology in Walnut Creek, CA

Q: What is Karen Fong's NPI number?

The NPI number for Karen Fong is 1548275068. It was assigned to this individual provider in the NPPES registry on July 31, 2006.

Q: What is Karen Fong's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Q: When was this NPI record last updated?

The NPPES record for Karen Fong was last updated on May 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 31, 2006PECOS EnrolledAccepts Medicare Assignment

91.88/100

CMS Quality Rating

2637 SHADELANDS DR, WALNUT CREEK, CA 94598(925) 300-4680(925) 906-9780 Get Directions Write a Review

NPPES record last updated: May 1, 2025. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Jan 3, 2025, Feb 11, 2021, Feb 7, 2020 and 1 more (4 updates tracked since 2016).

On this page

About Karen Jean Fong Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KAREN JEAN FONG MD (NPI 1548275068) is an individual otolaryngology provider in Walnut Creek, California, licensed in California (A52969) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Pleasanton, and is a graduate of Baylor College Of Medicine (1992).

NPPES Registry Identity

NPI1548275068

Entity TypeIndividualFemale

Primary Taxonomy207Y00000X

Provider Legal NameKAREN JEAN FONGCredential: MD

Location Address2637 SHADELANDS DRWalnut Creek, CA 94598-2512

Mailing Address2637 Shadelands DrWalnut Creek, CA 94598-2512

Phone(925) 300-4680

Fax(925) 906-9780

Sole ProprietorNo

Medical School CMSBaylor College Of MedicineGraduated 1992

Enumeration DateJuly 31, 2006

Last NPPES UpdateMay 1, 20254 updates tracked since enumeration

NPPES CertifiedMay 1, 2025

✔ NPI 1548275068 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians

Taxonomy Code207Y00000X

License✔ Licensed in CA · A52969

Definition

An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.

2637 SHADELANDS DR, Walnut Creek, CA 94598

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Secondary Practice Location 1

Location 15924 Stoneridge Dr Ste 108Pleasanton, CA 94588-5400 · Phone (925) 300-4680 · Fax (925) 906-9780

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Karen Jean Fong Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID42381519

PECOS Enrollment IDI20080611000706

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Diagnostic exam of nasal passages using an endoscope 31231

A diagnostic exam of nasal passages using an endoscope is a non-invasive procedure. A small, flexible tube with a light and camera at the end, called an endoscope, is inserted into the nose. This allows the doctor to view the nasal passages and sinuses, helping to identify any issues.

328 services186 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

290 services141 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

100 services100 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

20 services18 patients

Biopsy or removal of nasal polyp or tissue using an endoscope 31237

A nasal biopsy or polyp removal is a procedure where an endoscope, a thin tube with a light and camera, is inserted into the nose. This allows the doctor to see and remove abnormal tissues or polyps, which are small growths. This procedure helps diagnose or treat nasal issues.

17 services15 patients

Diagnostic exam of voice box using a flexible endoscope 31575

This procedure involves a doctor examining your voice box using a flexible endoscope, a thin tube with a light and camera. It's inserted through your nose or mouth to visualize your throat area. It helps detect any abnormalities in your voice box, ensuring optimal vocal health.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94598 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.88/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

85.25

Promoting Interoperability

100

Improvement Activities

Reported Quality Measures

Breast Cancer Screening

88%154 patients4/55-star benchmark: 93%

Cervical Cancer Screening

59%174 patients3/55-star benchmark: 98%

Colorectal Cancer Screening

66%319 patients4/55-star benchmark: 88%

Controlling High Blood Pressure

70%141 patients4/55-star benchmark: 91%

Diabetes: Eye Exam

28%25 patients2/55-star benchmark: 100%

Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)

Lower rates are better for this measure.

44%25 patients3/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

84%1,083 patients4/55-star benchmark: 100%

e-Prescribing

100%225 patients5/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

43%223 patients2/55-star benchmark: 100%

HIV Screening

29%345 patients2/55-star benchmark: 60%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

44%536 patients2/55-star benchmark: 98%

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

30%394 patients2/55-star benchmark: 97%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients screened: 79% · 281 patients

78%281 patients

Provide Patients Electronic Access to Their Health Information

100%224 patients5/55-star benchmark: 100%

Statin Therapy for the Prevention and Treatment of Cardiovascular Disease

77%141 patients4/55-star benchmark: 91%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

1 supplier11 claims11 services$3.17 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MICHAELA STRAZNICKA M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery)