William Bassett
NPI 1407389984 · Pulmonary Disease Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Bassett is a Pulmonary Disease Physician provider in Palo Alto, CA (NPI 1407389984).
Provider details
- NPI number
- 1407389984
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 58717 (TN)
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 tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,639 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 247 | $19 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 219 | $77 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 187 | $109 |
| Test to Determine Lung Volumes Using Sensors94726 | 171 | $75 |
| Test to Measure Expiratory Airflow and Volume94010 | 149 | $36 |
| Critical Care, First 30-74 Minutes99291 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 107 | 28 |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 80 | 15 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 58 | 22 |
| Fluticasone Propionate | 41 | 21 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 33 | — |
| Prednisone | 31 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$400 across 14 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 300 Pasteur DrStanford, CA 94305-2200Phone: (650) 387-3584
Registry dates
- Enumerated
- 2017-04-11
- Last updated
- 2023-09-26
- Certified
- 2023-09-26
Frequently asked questions
- What is William Bassett's NPI number?
- William Bassett's National Provider Identifier (NPI) is 1407389984, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Bassett's specialty?
- William Bassett is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is William Bassett located?
- William Bassett's practice location on file with NPPES is 795 El Camino Real, Palo Alto, CA 94301-2302.
- What is William Bassett's phone number?
- The practice phone number listed in the NPPES registry for William Bassett is (650) 853-2232.
- Does William Bassett accept Medicare?
- William Bassett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Bassett's NPI active?
- Yes — William Bassett's NPI (1407389984) is active in the NPPES registry as of the last update on 2023-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.