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Justin Ferkin, DO
NPI 1770386633 · Family Medicine Physician · Waukesha, WI
Justin Ferkin, DO is a Family Medicine Physician provider in Waukesha, WI (NPI 1770386633).
Provider details
- NPI number
- 1770386633
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- PAR-0000650229 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(59/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
210 Nw Barstow St
Waukesha, WI 53188-3771
Phone: (262) 548-6903
Street-level locationGet directions
Mailing address
1409 Chapman Dr
Waukesha, WI 53189-7258
Additional practice locations (1)
- 725 American AveWaukesha, WI 53188-5099Phone: (262) 928-1000
Registry dates
- Enumerated
- 2025-03-28
- Last updated
- 2025-03-28
- Certified
- 2025-03-28
Frequently asked questions
- What is Justin Ferkin's NPI number?
- Justin Ferkin's National Provider Identifier (NPI) is 1770386633, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Ferkin's specialty?
- Justin Ferkin is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Ferkin located?
- Justin Ferkin's practice location on file with NPPES is 210 Nw Barstow St, Waukesha, WI 53188-3771.
- What is Justin Ferkin's phone number?
- The practice phone number listed in the NPPES registry for Justin Ferkin is (262) 548-6903.
- Is Justin Ferkin's NPI active?
- Yes — Justin Ferkin's NPI (1770386633) is active in the NPPES registry as of the last update on 2025-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.