Marcus Mallen, MD
NPI 1669132403 · Family Medicine Physician · Fayette, MO
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcus Mallen, MD is a Family Medicine Physician provider in Fayette, MO (NPI 1669132403).
Provider details
- NPI number
- 1669132403
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% 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)
- 1601 Kittyhawk Dr Apt 3Columbia, MO 65202-0955Phone: (816) 617-3870
Registry dates
- Enumerated
- 2021-12-21
- Last updated
- 2025-06-30
- Certified
- 2025-06-30
Frequently asked questions
- What is Marcus Mallen's NPI number?
- Marcus Mallen's National Provider Identifier (NPI) is 1669132403, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcus Mallen's specialty?
- Marcus Mallen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marcus Mallen located?
- Marcus Mallen's practice location on file with NPPES is 308 S Church St, Fayette, MO 65248-1243.
- What is Marcus Mallen's phone number?
- The practice phone number listed in the NPPES registry for Marcus Mallen is (660) 248-2217.
- Does Marcus Mallen accept Medicare?
- Marcus Mallen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcus Mallen's NPI active?
- Yes — Marcus Mallen's NPI (1669132403) is active in the NPPES registry as of the last update on 2025-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.