William Hui, MD
NPI 1457857831 · Family Medicine Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Hui, MD is a Family Medicine Physician provider in Stanford, CA (NPI 1457857831).
Provider details
- NPI number
- 1457857831
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD473425 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
313 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 | 144 | $92 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 72 | $71 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 40 | $54 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 22 | $89 |
| Ultrasound Study of One Arm Or Leg Veins With Compression and Maneuvers93971 | 21 | $23 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 99 | 48 |
| Levothyroxine Sodium | 57 | 27 |
| Amlodipine Besylate | 48 | 20 |
| Tamsulosin Hcl | 43 | 20 |
| Lisinopril | 43 | 19 |
| Hydrochlorothiazide | 38 | 17 |
| Gabapentin | 38 |
Practice location
Mailing address
Additional practice locations (1)
- 3737 Market Street9th FloorPhiladelphia, PA 19104-5548Phone: (215) 662-8777Fax: (215) 243-4601
Registry dates
- Enumerated
- 2018-04-04
- Last updated
- 2024-04-26
- Certified
- 2024-04-26
Frequently asked questions
- What is William Hui's NPI number?
- William Hui's National Provider Identifier (NPI) is 1457857831, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Hui's specialty?
- William Hui is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Hui located?
- William Hui's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is William Hui's phone number?
- The practice phone number listed in the NPPES registry for William Hui is (650) 723-4000.
- Does William Hui accept Medicare?
- William Hui is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Hui's NPI active?
- Yes — William Hui's NPI (1457857831) is active in the NPPES registry as of the last update on 2024-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.