William Khieu, MD
NPI 1942203526 · Family Medicine Physician · Salinas, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Khieu, MD is a Family Medicine Physician provider in Salinas, CA (NPI 1942203526).
Provider details
- NPI number
- 1942203526
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G79719 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
21 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
913 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 377 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 98 | $89 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 97 | $43 |
| Complete Ultrasound Scan of Abdomen76700 | 57 | $127 |
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 54 | $115 |
| Advance Care Planning, First 30 Minutes99497 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 80 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrochlorothiazide | 296 | 115 |
| Naproxen | 229 | 115 |
| Metformin Hcl | 226 | 81 |
| Atorvastatin Calcium | 218 | 83 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 188 | 91 |
| Lisinopril | 171 | 59 |
| Cyclobenzaprine Hcl | 163 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-05-27
- Last updated
- 2026-01-12
- Certified
- 2026-01-12
Frequently asked questions
- What is William Khieu's NPI number?
- William Khieu's National Provider Identifier (NPI) is 1942203526, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Khieu's specialty?
- William Khieu is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Khieu located?
- William Khieu's practice location on file with NPPES is 335 Katherine Ave, Salinas, CA 93901-3176.
- What is William Khieu's phone number?
- The practice phone number listed in the NPPES registry for William Khieu is (831) 751-6222.
- Does William Khieu accept Medicare?
- William Khieu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Khieu's NPI active?
- Yes — William Khieu's NPI (1942203526) is active in the NPPES registry as of the last update on 2026-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.