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William Seibert, DO
NPI 1588620272 · Family Medicine Physician · Littlestown, PA
William Seibert, DO is a Family Medicine Physician provider in Littlestown, PA (NPI 1588620272).
Provider details
- NPI number
- 1588620272
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- OS004409L (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
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
340 Lumber St
Littlestown, PA 17340-1668
Phone: (717) 359-1331
Fax: (717) 359-1337
Street-level locationGet directions
Mailing address
340 Lumber St
Littlestown, PA 17340-1668
Registry dates
- Enumerated
- 2006-04-22
- Last updated
- 2010-08-20
Frequently asked questions
- What is William Seibert's NPI number?
- William Seibert's National Provider Identifier (NPI) is 1588620272, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Seibert's specialty?
- William Seibert is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Seibert located?
- William Seibert's practice location on file with NPPES is 340 Lumber St, Littlestown, PA 17340-1668.
- What is William Seibert's phone number?
- The practice phone number listed in the NPPES registry for William Seibert is (717) 359-1331.
- Is William Seibert's NPI active?
- Yes — William Seibert's NPI (1588620272) is active in the NPPES registry as of the last update on 2010-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.