2026 NPPES data Advanced Practice Midwife NPI 1679029953 CNM
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SHANNON WALKER, CNM

Advanced Practice Midwife in WASILLA, 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.
Prescribing volume
476
Medicare Part D claims · 211 beneficiaries · Advanced Practice Midwife avg: 99
Generic prescribing
76%
generic claims · 24% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

SHANNON WALKER, CNM filed 476 Medicare Part D claims in 2023 as a Advanced Practice Midwife in WASILLA, Alaska, prescribing 76% generic.

476
Part D claims, 2023
76%
generic prescribing

Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) — no proprietary rating or editorial opinion is applied.

SHANNON WALKER, CNM's Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2023 — across all CMS prescribers nationally

476 Top 38% higher than 62% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). Below this entry. 400–600: 90,619 prescribers (7%). This entry sits in this band. 600–800: 56,224 prescribers (4%). Above this entry. 800–1,000: 40,919 prescribers (3%). Above this entry. 1,000–1,200: 31,827 prescribers (2%). Above this entry. 1,200–1,400: 26,224 prescribers (2%). Above this entry. 1,400–1,600: 21,710 prescribers (2%). Above this entry. 1,600–1,800: 19,072 prescribers (1%). Above this entry. 1,800–2,000: 16,451 prescribers (1%). Above this entry. 2,000–2,200: 213,991 prescribers (16%). Above this entry. This provider 0 2K+ every Part D prescriber (claims/yr), bucketed by value

Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source CMS Medicare Part D Prescriber Public Use File · 2023

What does the federal data show about SHANNON WALKER, CNM?

Quality data not reported

NPI registry status

Active

Issued 08/28/2016

NPI 1679029953

Primary specialty

Advanced Practice Midwife

Mid-sized

10,893 US NPIs in this specialty

Medicare Part D claims

476 381% vs specialty avg

2023 prescription claims

Specialty avg: 99

Specialty distribution in Alaska

How Advanced Practice Midwife compares to other specialties among Alaska providers

Alaska providers

Advanced Practice Midwife share within Alaska

1. Advanced Practice Midwife42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Advanced Practice Midwife share within Alaska

Specialty board-certification context

Estimated specialty board-certified rate — Advanced Practice Midwife (ABMS / AOA reference)

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

Est. board-certified rate (Advanced Practice Midwife) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Advanced Practice Midwife) — 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).

SHANNON WALKER, CNM appears in the CMS NPPES registry as a Advanced Practice Midwife provider holding CNM credentials at 1001 S KNIK GOOSE BAY RD, WASILLA, AK, 99654, with a listed phone of (907) 631-7800. NPI 1679029953 was issued on 08/28/2016. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what WALKER 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 records for calendar year 2023 show 476 prescription claims written by this provider, covering 211 Medicare beneficiaries and totaling roughly $75K in drug spend, split 24% brand-name and 76% generic by claim count. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Advanced Practice Midwife is a mid-sized specialty nationwide, with 10,893 enrolled providers across 55 states and an average of 99 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

1001 S KNIK GOOSE BAY RD
WASILLA, AK 99654

Provider Details

NPI 1679029953
Specialty Advanced Practice Midwife
Credentials CNM
Gender Female
NPI Issued 08/28/2016

Hospital and facility affiliations

Facilities where SHANNON WALKER, CNM bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" — a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

SOUTHCENTRAL FOUNDATION
ANCHORAGE, AK

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

Brand vs generic prescribing mix · Typical

SHANNON WALKER, CNM — brand share 24.0%
Specialty average (est.)

24% brand-name claims vs 76% generic, on 476 2023 Medicare Part D claims.

The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

476
Total Claims
$75K
Total Drug Cost
211
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
1,169
Total Day Supply
33,473
Brand vs Generic
24% brand / 76% generic
Brand Drug Cost
$70K
Generic Drug Cost
$5K

Patient Demographics

Average Patient Age
73.5 years
Avg HCC Risk Score
1.34
Gender Split
57% female / 43% male

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

What SHANNON WALKER, CNM prescribes most

Top Medicare Part D drugs by claim count, 2023

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2023
Drug Claims
Lisinopril
48
Humulin N
Insulin Nph Human Isophane
37
Atorvastatin Calcium
29
Hydrochlorothiazide
29
Alendronate Sodium
28
Losartan Potassium
26
Amlodipine Besylate
18
Metformin Hcl Er
Metformin Hcl
14
Allopurinol
12
Gavilyte-C
"Peg3350/Sod Sulf
N/A

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Advanced Practice Midwife Overview

How SHANNON WALKER, CNM fits within the Advanced Practice Midwife landscape nationally.

10,893
Advanced Practice Midwife Providers in US
55
States with Advanced Practice Midwife
99
Avg Claims per Provider

SHANNON WALKER, CNM's 476 claims are above the specialty average of 99.

Nearby Advanced Practice Midwife Providers in Alaska

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

Compare Advanced Practice Midwife nationally: see state-by-state distribution →

Frequently Asked Questions

What is SHANNON WALKER, CNM's specialty?
SHANNON WALKER, CNM specializes in Advanced Practice Midwife and practices in WASILLA, Alaska. Credentials: CNM.
How much does SHANNON WALKER, CNM prescribe under Medicare Part D?
In 2023, SHANNON WALKER, CNM wrote 476 Medicare Part D claims totaling $75K in drug costs for 211 beneficiaries.
Where is SHANNON WALKER, CNM located?
SHANNON WALKER, CNM is located at 1001 S KNIK GOOSE BAY RD, WASILLA, AK, 99654. Phone: (907) 631-7800.
What is SHANNON WALKER, CNM's NPI number?
SHANNON WALKER, CNM's National Provider Identifier (NPI) is 1679029953, issued on 08/28/2016.
Does SHANNON WALKER, CNM prescribe more brand-name or generic drugs?
SHANNON WALKER, CNM's prescribing is 24% brand-name and 76% generic drugs by claim count, with $70K in brand drug costs.
How many Advanced Practice Midwife providers are there in the US?
There are 10,893 Advanced Practice Midwife providers across 55 states in the US. The average Advanced Practice Midwife provider writes 99 Medicare Part D claims per year.
What drugs does SHANNON WALKER, CNM prescribe most often?
Based on 2023 Medicare Part D data, SHANNON WALKER, CNM's most frequently prescribed drugs include Lisinopril, Humulin N, Atorvastatin Calcium. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does SHANNON WALKER, CNM accept Medicare?
SHANNON WALKER, CNM appears in CMS Medicare data with 476 Part D claims and 211 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify SHANNON WALKER, CNM's credentials?
SHANNON WALKER, CNM's NPI is 1679029953 with credentials CNM. 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.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
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