WILLIAM KHIEU MD
NPI 1942203526
Family Medicine in Salinas, CA

Active since May 27, 2005PECOS EnrolledAccepts Medicare Assignment
335 KATHERINE AVE, SALINAS, CA 93901(831) 751-6222 Get Directions Write a Review

NPPES record last updated: January 12, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 12, 2026, Apr 7, 2021 (2 updates tracked since 2021).

About William Khieu Md NPPES

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

WILLIAM KHIEU MD (NPI 1942203526) is an individual family medicine provider in Salinas, California, licensed in California (G79719) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (1993).

NPPES Registry Identity

NPI1942203526
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameWILLIAM KHIEUCredential: MD
Location Address335 KATHERINE AVESalinas, CA 93901-3176
Mailing Address335 Katherine AveSalinas, CA 93901-3176 · (831) 422-7275
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 1993
Enumeration DateMay 27, 2005
Last NPPES UpdateJanuary 12, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 12, 2026
NPI 1942203526 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in CA · G79719
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedAcupuncturistTaxonomy 171100000X · License G79719 (CA)
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License G79719 (CA)
335 KATHERINE AVE, Salinas, CA 93901

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

William Khieu 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 ID2365438918
PECOS Enrollment IDI20040610000607
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 14

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.

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.
377 services197 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.
98 services79 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
97 services71 patients
Complete ultrasound scan of abdomen 76700
A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.
57 services57 patients
Complete ultrasound scan behind abdominal cavity 76770
A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.
54 services53 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
42 services41 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93901 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
$94.44 typical visit price
range $61.69 – $184.30
Typical copayment $23.61 (range $15.42 – $46.07)
Most-billed visit code 99203
Established Patient
$108.04 typical visit price
range $20.34 – $151.02
Typical copayment $27.01 (range $5.08 – $37.75)
Most-billed visit code 99214
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.

Reported Quality Measures

Breast Cancer Screening
Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer
54%233 patients3/55-star benchmark: 92%
Cervical Cancer Screening
Percentage of women 21-64 years of age who were screened for cervical cancer using either of the following criteria: - Women age 21-64 who had cervical cytology performed every 3 years - Women age 30-64 who had cervical cytology/human papillomavirus (HPV)…
70%1,131 patients
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
47%949 patients2/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients screenedForUse: 77% · 658 patients
Patients tobacco: 14% · 21 patients
74%872 patients4/55-star benchmark: 98%
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.

Other Providers at the Same Location NPPES 11

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

Chiropractor
335 KATHERINE AVE
SALINAS, CA 93901
Nurse Practitioner
335 KATHERINE AVE
SALINAS, CA 93901
Clinic/Center
335 KATHERINE AVE
SALINAS, CA 93901
Family Medicine
335 KATHERINE AVE
SALINAS, CA 93901
Nurse Practitioner (Women's Health)
335 KATHERINE AVE
SALINAS, CA 93901
Specialist
335 KATHERINE AVE
SALINAS, CA 93901
Pediatrics
335 KATHERINE AVE, SUITE 1
SALINAS, CA 93901
Physician Assistant (Medical)
335 KATHERINE AVE
SALINAS, CA 93901

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Khieu's NPI number?

The NPI number for William Khieu is 1942203526. It was assigned to this individual provider in the NPPES registry on May 27, 2005.

Where is William Khieu located?

William Khieu practices at 335 Katherine Ave, Salinas, CA 93901. The listed phone number is (831) 751-6222.

What is William Khieu's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is William Khieu enrolled in Medicare?

Yes. William Khieu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for William Khieu was last updated on January 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.