IndividualActive
William Sprague, MD
NPI 1194729558 · Family Medicine Physician · Allentown, PA
William Sprague, MD is a Family Medicine Physician provider in Allentown, PA (NPI 1194729558).
Provider details
- NPI number
- 1194729558
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- MD051955L (PA)
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
21 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
1597 Lehigh Street
Allentown, PA 18103-3813
Phone: (610) 791-3801
Fax: (610) 791-4851
Street-level locationGet directions
Mailing address
42 South Best Ave. Po Box G
Walnutport, PA 18088
Registry dates
- Enumerated
- 2005-06-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Sprague's NPI number?
- William Sprague's National Provider Identifier (NPI) is 1194729558, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Sprague's specialty?
- William Sprague is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Sprague located?
- William Sprague's practice location on file with NPPES is 1597 Lehigh Street, Allentown, PA 18103-3813.
- What is William Sprague's phone number?
- The practice phone number listed in the NPPES registry for William Sprague is (610) 791-3801.
- Is William Sprague's NPI active?
- Yes — William Sprague's NPI (1194729558) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.