IndividualActive
William Harper, M.D.
NPI 1861598062 · Family Medicine Physician · Thurmont, MD
William Harper, M.D. is a Family Medicine Physician provider in Thurmont, MD (NPI 1861598062).
Provider details
- NPI number
- 1861598062
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0017549 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
100 S Center St
Thurmont, MD 21788-1910
Phone: (301) 271-4333
Fax: (301) 271-7486
Street-level locationGet directions
Mailing address
100 S Center St
Thurmont, MD 21788-1910
Registry dates
- Enumerated
- 2006-09-15
- Last updated
- 2008-07-03
Frequently asked questions
- What is William Harper's NPI number?
- William Harper's National Provider Identifier (NPI) is 1861598062, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Harper's specialty?
- William Harper is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Harper located?
- William Harper's practice location on file with NPPES is 100 S Center St, Thurmont, MD 21788-1910.
- What is William Harper's phone number?
- The practice phone number listed in the NPPES registry for William Harper is (301) 271-4333.
- Is William Harper's NPI active?
- Yes — William Harper's NPI (1861598062) is active in the NPPES registry as of the last update on 2008-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.