2026 NPPES data Registered Nurse NPI 1356520431 RN, NP
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KAY MARTTILA, RN, NP

Registered Nurse in RUTLAND, Vermont. 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
3K
Medicare Part D claims · 118 beneficiaries · Registered Nurse avg: 1K
Generic prescribing
95%
generic claims · 5% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

KAY MARTTILA, RN, NP filed 3,085 Medicare Part D claims in 2023 as a Registered Nurse in RUTLAND, Vermont, prescribing 95% generic.

3K
Part D claims, 2023
95%
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.

KAY MARTTILA, RN, NP's Medicare Part D volume vs every U.S. prescriber

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

3,085 Top 11% higher than 89% 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%). Below this entry. 600–800: 56,224 prescribers (4%). Below this entry. 800–1,000: 40,919 prescribers (3%). Below this entry. 1,000–1,200: 31,827 prescribers (2%). Below this entry. 1,200–1,400: 26,224 prescribers (2%). Below this entry. 1,400–1,600: 21,710 prescribers (2%). Below this entry. 1,600–1,800: 19,072 prescribers (1%). Below this entry. 1,800–2,000: 16,451 prescribers (1%). Below this entry. 2,000–2,200: 213,991 prescribers (16%). This entry sits in this band. 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 KAY MARTTILA, RN, NP?

Quality data not reported

NPI registry status

Active

Issued 10/25/2007

NPI 1356520431

Primary specialty

Registered Nurse

High-volume

175,652 US NPIs in this specialty

Medicare Part D claims

3,085 209% vs specialty avg

2023 prescription claims

Specialty avg: 1,000

Specialty distribution in Vermont

How Registered Nurse compares to other specialties among Vermont providers

Vermont providers

Registered Nurse share within Vermont

1. Registered Nurse42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Registered Nurse share within Vermont

Specialty board-certification context

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

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

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

0%100%78%
Est. board-certified rate (Registered Nurse) — 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).

KAY MARTTILA, RN, NP is a Registered Nurse provider practicing in RUTLAND, Vermont, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: RN, NP. NPI: 1356520431. 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.

KAY MARTTILA, RN, NP appears in the CMS NPPES registry as a Registered Nurse provider holding RN, NP credentials at 78 S MAIN ST, RUTLAND, VT, 05701, with a listed phone of (802) 775-8224. NPI 1356520431 was issued on 10/25/2007. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what MARTTILA 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 3,085 prescription claims written by this provider, covering 118 Medicare beneficiaries and totaling roughly $385K in drug spend, split 5% brand-name and 95% 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.

Registered Nurse is a high-volume specialty nationwide, with 175,652 enrolled providers across 56 states and an average of 1,000 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

78 S MAIN ST
RUTLAND, VT 05701

Provider Details

NPI 1356520431
Specialty Registered Nurse
Credentials RN, NP
Gender Female
NPI Issued 10/25/2007

Brand vs generic prescribing mix · Generic-heavy

KAY MARTTILA, RN, NP — brand share 5.0%
Specialty average (est.)

5% brand-name claims vs 95% generic, on 3,085 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.

3,085
Total Claims
$385K
Total Drug Cost
118
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
3,342
Total Day Supply
89,628
Brand vs Generic
5% brand / 95% generic
Brand Drug Cost
$214K
Generic Drug Cost
$171K

Patient Demographics

Average Patient Age
54.1 years
Avg HCC Risk Score
1.05
Gender Split
42% female / 58% male
Age Distribution
<65: 83, 65-74: 29, 75-84: N/A, 85+: N/A

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Aripiprazole
219
Escitalopram Oxalate
157
Clonazepam
149
Clozapine
131
Lorazepam
130
Quetiapine Fumarate
119
Risperidone
111
Trazodone Hcl
108
Fluoxetine Hcl
104
Benztropine Mesylate
85

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

Registered Nurse Overview

How KAY MARTTILA, RN, NP fits within the Registered Nurse landscape nationally.

175,652
Registered Nurse Providers in US
56
States with Registered Nurse
1,000
Avg Claims per Provider

KAY MARTTILA, RN, NP's 3,085 claims are above the specialty average of 1,000.

Nearby Registered Nurse Providers in Vermont

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

Compare Registered Nurse nationally: see state-by-state distribution →

Frequently Asked Questions

What is KAY MARTTILA, RN, NP's specialty?
KAY MARTTILA, RN, NP specializes in Registered Nurse and practices in RUTLAND, Vermont. Credentials: RN, NP.
How much does KAY MARTTILA, RN, NP prescribe under Medicare Part D?
In 2023, KAY MARTTILA, RN, NP wrote 3,085 Medicare Part D claims totaling $385K in drug costs for 118 beneficiaries.
Where is KAY MARTTILA, RN, NP located?
KAY MARTTILA, RN, NP is located at 78 S MAIN ST, RUTLAND, VT, 05701. Phone: (802) 775-8224.
What is KAY MARTTILA, RN, NP's NPI number?
KAY MARTTILA, RN, NP's National Provider Identifier (NPI) is 1356520431, issued on 10/25/2007.
Does KAY MARTTILA, RN, NP prescribe more brand-name or generic drugs?
KAY MARTTILA, RN, NP's prescribing is 5% brand-name and 95% generic drugs by claim count, with $214K in brand drug costs.
How many Registered Nurse providers are there in the US?
There are 175,652 Registered Nurse providers across 56 states in the US. The average Registered Nurse provider writes 1,000 Medicare Part D claims per year.
What drugs does KAY MARTTILA, RN, NP prescribe most often?
Based on 2023 Medicare Part D data, KAY MARTTILA, RN, NP's most frequently prescribed drugs include Aripiprazole, Escitalopram Oxalate, Clonazepam. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does KAY MARTTILA, RN, NP accept Medicare?
KAY MARTTILA, RN, NP appears in CMS Medicare data with 3,085 Part D claims and 118 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify KAY MARTTILA, RN, NP's credentials?
KAY MARTTILA, RN, NP's NPI is 1356520431 with credentials RN, NP. 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