Dwayne Janzen, D. O.
NPI 1659394765 · Family Medicine Physician · Enid, OK
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dwayne Janzen, D. O. is a Family Medicine Physician provider in Enid, OK (NPI 1659394765).
Provider details
- NPI number
- 1659394765
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D. O.
- Sex
- Male
- Sole proprietor
- No
- License
- 34426 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
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
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
Mailing address
Additional practice locations (1)
- 915 E Garriott Rd Ste aEnid, OK 73701-6153Phone: (580) 977-1910
Registry dates
- Enumerated
- 2006-07-26
- Last updated
- 2018-02-12
Frequently asked questions
- What is Dwayne Janzen's NPI number?
- Dwayne Janzen's National Provider Identifier (NPI) is 1659394765, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dwayne Janzen's specialty?
- Dwayne Janzen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dwayne Janzen located?
- Dwayne Janzen's practice location on file with NPPES is 915 E Garriott Rd Ste a, Enid, OK 73701-6153.
- What is Dwayne Janzen's phone number?
- The practice phone number listed in the NPPES registry for Dwayne Janzen is (580) 977-1910.
- Does Dwayne Janzen accept Medicare?
- Dwayne Janzen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dwayne Janzen's NPI active?
- Yes — Dwayne Janzen's NPI (1659394765) is active in the NPPES registry as of the last update on 2018-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.