2026 NPPES data Specialist NPI 1396918603 CHAP
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LINDA MACK, CHAP

Specialist in NELSON LAGOON, Alaska. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
What the federal data reveals: LINDA MACK, CHAP is a Specialist ([object Object]) practicing in NELSON LAGOON, Alaska .

What stands out: LINDA MACK, CHAP specializes in Specialist and practices in NELSON LAGOON, Alaska, listed in the federal CMS National Provider Identifier registry. Every detail on this page comes straight from federal CMS records, with no proprietary rating applied.

LINDA MACK, CHAP at a glance

Quality data not reported

NPI registry status

Active

Issued 04/08/2008

NPI 1396918603

Primary specialty

Specialist

High-volume

69,658 US NPIs in this specialty

Specialty distribution in Alaska

How Specialist compares to other specialties among Alaska providers

Alaska providers

Specialist share within Alaska

1. Specialist42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Specialist share within Alaska

Specialty board-certification context

Estimated specialty board-certified rate — Specialist (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Specialist ABMS/AOA estimate

Est. board-certified rate (Specialist) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Specialist) — ABMS / AOA estimate

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

LINDA MACK, CHAP is a Specialist provider practicing in NELSON LAGOON, Alaska, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: CHAP. NPI: 1396918603. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

LINDA MACK, CHAP appears in the CMS NPPES registry as a Specialist provider holding CHAP credentials at 40 MAIN ST., NELSON LAGOON, AK, 99571, with a listed phone of (907) 989-2202. NPI 1396918603 was issued on 04/08/2008. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what MACK most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D prescribing data is not currently published for this NPI, which typically means the provider either wrote fewer than 11 Part D claims in the most recent reporting year, does not participate in Medicare, or practices in a specialty that rarely prescribes outpatient drugs. Absence of prescribing data is not a quality signal — many Specialist providers operate outside Part D entirely.

Specialist is a high-volume specialty nationwide, with 69,658 enrolled providers across 55 states and an average of 1,474 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

40 MAIN ST.
NELSON LAGOON, AK 99571

Provider Details

NPI 1396918603
Specialty Specialist
Credentials CHAP
Gender Female
NPI Issued 04/08/2008

Specialist Overview

How LINDA MACK, CHAP fits within the Specialist landscape nationally.

69,658
Specialist Providers in US
55
States with Specialist
1,474
Avg Claims per Provider

Nearby Specialist Providers in Alaska

Other clinicians with the same primary specialty enrolled in Alaska, drawn from the same CMS NPPES roster as MACK.

Compare Specialist nationally: see state-by-state distribution →

Frequently Asked Questions

What is LINDA MACK, CHAP's specialty?
LINDA MACK, CHAP specializes in Specialist and practices in NELSON LAGOON, Alaska. Credentials: CHAP.
Where is LINDA MACK, CHAP located?
LINDA MACK, CHAP is located at 40 MAIN ST., NELSON LAGOON, AK, 99571. Phone: (907) 989-2202.
What is LINDA MACK, CHAP's NPI number?
LINDA MACK, CHAP's National Provider Identifier (NPI) is 1396918603, issued on 04/08/2008.
How many Specialist providers are there in the US?
There are 69,658 Specialist providers across 55 states in the US. The average Specialist provider writes 1,474 Medicare Part D claims per year.
Does LINDA MACK, CHAP accept Medicare?
LINDA MACK, CHAP appears in CMS Medicare data. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify LINDA MACK, CHAP's credentials?
LINDA MACK, CHAP's NPI is 1396918603 with credentials CHAP. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology