Mark Ahlenius, MD
NPI 1396278891 · Pediatrics Physician · Joint Base Lewis Mcchord, WA
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Ahlenius, MD is a Pediatrics Physician provider in Joint Base Lewis Mcchord, WA (NPI 1396278891).
Provider details
- NPI number
- 1396278891
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101266050 (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
9 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
- 2017-04-11
- Last updated
- 2024-10-17
- Certified
- 2024-10-17
Frequently asked questions
- What is Mark Ahlenius's NPI number?
- Mark Ahlenius's National Provider Identifier (NPI) is 1396278891, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Ahlenius's specialty?
- Mark Ahlenius is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Ahlenius located?
- Mark Ahlenius's practice location on file with NPPES is 9040 a Jackson Ave Madigan Army Medical Center, Joint Base Lewis Mcchord, WA 98431-4504.
- What is Mark Ahlenius's phone number?
- The practice phone number listed in the NPPES registry for Mark Ahlenius is (253) 968-1110.
- Does Mark Ahlenius accept Medicare?
- Mark Ahlenius is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Ahlenius's NPI active?
- Yes — Mark Ahlenius's NPI (1396278891) is active in the NPPES registry as of the last update on 2024-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.