IndividualActive
Sarah Johnson, P.A.
NPI 1639317647 · Dermatology Physician · Downers Grove, IL
Sarah Johnson, P.A. is a Dermatology Physician provider in Downers Grove, IL (NPI 1639317647).
Provider details
- NPI number
- 1639317647
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- P.A.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 085003336 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(86/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
3825 Highland Ave
Ste 5c
Downers Grove, IL 60515-1552
Phone: (630) 964-2000
Fax: (630) 964-6378
Street-level locationGet directions
Mailing address
3825 Highland Ave
Downers Grove, IL 60515-1552
Registry dates
- Enumerated
- 2009-01-29
- Last updated
- 2009-01-29
Frequently asked questions
- What is Sarah Johnson's NPI number?
- Sarah Johnson's National Provider Identifier (NPI) is 1639317647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Johnson's specialty?
- Sarah Johnson is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Sarah Johnson located?
- Sarah Johnson's practice location on file with NPPES is 3825 Highland Ave, Downers Grove, IL 60515-1552.
- What is Sarah Johnson's phone number?
- The practice phone number listed in the NPPES registry for Sarah Johnson is (630) 964-2000.
- Is Sarah Johnson's NPI active?
- Yes — Sarah Johnson's NPI (1639317647) is active in the NPPES registry as of the last update on 2009-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.