William Wong, D.O.
NPI 1376839100 · Pulmonary Disease Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Wong, D.O. is a Pulmonary Disease Physician provider in Worcester, MA (NPI 1376839100).
Provider details
- NPI number
- 1376839100
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 273923 (MA)
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
15 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
558 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 134 | $209 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 92 | $78 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 79 | $65 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 79 | $117 |
| 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 | 57 | $16 |
| 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 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 134 | 37 |
| Azithromycin | 92 | 22 |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 88 | 21 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 80 | 16 |
| Umeclidinium Bromidebrand: Incruse Ellipta | 58 | 15 |
| Prednisone | 55 | 31 |
Practice location
Mailing address
Additional practice locations (1)
- 119 Belmont StWorcester, MA 01605-2903Phone: (508) 334-1975Fax: (774) 442-3999
Registry dates
- Enumerated
- 2011-06-20
- Last updated
- 2024-06-06
- Certified
- 2024-06-06
Frequently asked questions
- What is William Wong's NPI number?
- William Wong's National Provider Identifier (NPI) is 1376839100, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Wong's specialty?
- William Wong is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is William Wong located?
- William Wong's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is William Wong's phone number?
- The practice phone number listed in the NPPES registry for William Wong is (508) 334-1975.
- Does William Wong accept Medicare?
- William Wong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Wong's NPI active?
- Yes — William Wong's NPI (1376839100) is active in the NPPES registry as of the last update on 2024-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.