Warren Johnson, M.D.
NPI 1538595103 · General Practice Physician · Purcellville, VA
Warren Johnson, M.D. is a General Practice Physician provider in Purcellville, VA (NPI 1538595103).
Provider details
- NPI number
- 1538595103
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0101020831 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
Mailing address
Registry dates
- Enumerated
- 2013-09-16
- Last updated
- 2013-09-16
Frequently asked questions
- What is Warren Johnson's NPI number?
- Warren Johnson's National Provider Identifier (NPI) is 1538595103, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Warren Johnson's specialty?
- Warren Johnson is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Warren Johnson located?
- Warren Johnson's practice location on file with NPPES is 16013 Purcellville Rd, Purcellville, VA 20132-2801.
- What is Warren Johnson's phone number?
- The practice phone number listed in the NPPES registry for Warren Johnson is (540) 338-2441.
- Is Warren Johnson's NPI active?
- Yes — Warren Johnson's NPI (1538595103) is active in the NPPES registry as of the last update on 2013-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.