IndividualActive
William Stephan, M.D.
NPI 1033196720 · Pulmonary Disease Physician · Nashua, NH
Provider details
- NPI number
- 1033196720
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 10707 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
168 Kinsley St
Nashua, NH 03060-3634
Phone: (603) 889-4131
Street-level locationGet directions
Mailing address
Po Box 808
Nashua, NH 03061-0808
Registry dates
- Enumerated
- 2005-12-23
- Last updated
- 2013-05-13
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.