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MARY P. DEMERS, D.O., & ASSOCIATES, LLC
NPI 1801912902
Internal Medicine in Anchorage, AK

Active since March 21, 2007
4001 DALE ST STE 201, ANCHORAGE, AK 99508(907) 263-2201(907) 276-0366 Get Directions Write a Review

NPPES record last updated: March 30, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mary P. Demers, D.o., & Associates, Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY P. DEMERS, D.O., & ASSOCIATES, LLC (NPI 1801912902) is a healthcare organization registered as an internal medicine in Anchorage, Alaska and active in the NPI registry since March 2007. The organization lists Mary P Demers, Manager, as its authorized official.

NPPES Registry Identity

NPI1801912902
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMARY P. DEMERS, D.O., & ASSOCIATES, LLC
Location Address4001 DALE ST STE 201Anchorage, AK 99508-5445
Mailing Address4001 Dale St Ste 201Anchorage, AK 99508-5445 · (907) 263-2201 · Fax (907) 276-0366
Phone(907) 263-2201
Fax(907) 276-0366
Organization SubpartNo
Authorized OfficialMary P DemersManager · (907) 263-2200
Enumeration DateMarch 21, 2007
Last NPPES UpdateMarch 30, 2023
NPPES CertifiedMarch 30, 2023
✔ NPI 1801912902 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in AK · 3359
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPreventive Medicine · Occupational MedicineTaxonomy 2083X0100X · License 3359 (AK)
4001 DALE ST STE 201, Anchorage, AK 99508
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary P. Demers, D.o., & Associates, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Mary P. Demers, D.O., & Associates, LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Mary Demers, DO
Internal Medicine
NPI 1649236084
3340 PROVIDENCE DR STE 466
Anchorage, AK 99508
(907) 263-2200
✔ PECOS✔ Accepts Medicare0.3 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary P. Demers, D.O., & Associates, LLC's NPI number?

The NPI number for Mary P. Demers, D.O., & Associates, LLC is 1801912902. It was assigned to this organization in the NPPES registry on March 21, 2007.

Where is Mary P. Demers, D.O., & Associates, LLC located?

Mary P. Demers, D.O., & Associates, LLC is located at 4001 Dale St Ste 201, Anchorage, AK 99508. The listed phone number is (907) 263-2201.

What is Mary P. Demers, D.O., & Associates, LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mary P. Demers, D.O., & Associates, LLC enrolled in Medicare?

Yes. Mary P. Demers, D.O., & Associates, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mary P. Demers, D.O., & Associates, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Mary P. Demers, D.O., & Associates, LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Mary P. Demers, D.O., & Associates, LLC accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Mary P. Demers, D.O., & Associates, LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mary P. Demers, D.O., & Associates, LLC was last updated on March 30, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.