NPI registry status
Active
2026 NPPES data Family Nurse Practitioner NPI 1235861758 APRN, CNP
Verify on CMS → Joslyn Cook, APRN, CNP
Family Nurse Practitioner in Hibbing, Minnesota.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 210,832 in Family Nurse Practitioner, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
2K
Medicare Part D claims · 196 beneficiaries · Family Nurse Practitioner avg: 1K
Generic prescribing
88%
generic claims · 10% brand-name · higher generic rates reduce patient out-of-pocket costs
Source: CMS Medicare Part D Prescriber Public Use File, 2023
Compiled from official public sources by the PlainDoctor editorial team.
What the federal data shows
Joslyn Cook, APRN, CNP filed 1,754 Medicare Part D claims in 2023 as a Family Nurse Practitioner in Hibbing, Minnesota, prescribing 88% generic.
- 2K
- Part D claims, 2023
- 88%
- 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.
Joslyn Cook, APRN, CNP's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
1,754 Top 17% higher than 83% of 1,370,886 prescribers
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 Joslyn Cook, APRN, CNP?
Quality data not reportedPrimary specialty
Family Nurse Practitioner
Medicare Part D claims
1,754 44% vs specialty avg
Specialty distribution in Minnesota
How Family Nurse Practitioner compares to other specialties among Minnesota providers
Board certification
Not published by CMS
CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Family Nurse Practitioner. Verify directly:
How MIPS and board certification work
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).
Joslyn Cook, APRN, CNP appears in the CMS NPPES registry as a Family Nurse Practitioner provider holding APRN, CNP credentials at 730 E 34TH ST, Hibbing, MN, 55746, with a listed phone of (218) 262-3425. NPI 1235861758 was issued on 06/24/2022.
Medicare Part D records for calendar year 2023 show 1,754 prescription claims written by this provider, covering 196 Medicare beneficiaries and totaling roughly $189K in drug spend, split 10% brand-name and 88% generic by claim count, with an opioid prescribing rate of 2.7%.
Family Nurse Practitioner is a high-volume specialty nationwide, with 210,832 enrolled providers across 56 states and an average of 1,222 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
Provider Details
| NPI | 1235861758 |
|---|---|
| Specialty | Family Nurse Practitioner |
| Credentials | APRN, CNP |
| Gender | Female |
| NPI Issued | 06/24/2022 |
Hospital and facility affiliations
Facilities where Joslyn Cook, APRN, CNP 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.
The Duluth Clinic Ltd
Hibbing, MN
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
Joslyn Cook, APRN, CNP - brand share 10.0%
Family Nurse Practitioner average
10% brand-name claims vs 88% generic, on 1,754 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.
1,754
Total Claims
$189K
Total Drug Cost
196
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 3,408
- Total Day Supply
- 97,299
- Brand vs Generic
- 10% brand / 88% generic
- Brand Drug Cost
- $151K
- Generic Drug Cost
- $37K
- Opioid Claims
- 48 (2.7% rate)
- Antibiotic Claims
- 55
Patient Demographics
- Average Patient Age
- 69.5 years
- Avg HCC Risk Score
- 1.29
- Gender Split
- 60% female / 40% male
- Age Distribution
- <65: 46, 65-74: 89, 75-84: 46, 85+: 15
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Joslyn Cook, APRN, CNP prescribes most
Top Medicare Part D drugs by claim count, 2023
- Atorvastatin Calcium
Atorvastatin Calcium
111 claims
- Amlodipine Besylate
Amlodipine Besylate
72 claims
- Sertraline Hcl
Sertraline Hcl
61 claims
- Metoprolol Succinate
Metoprolol Succinate
54 claims
- Levothyroxine Sodium
Levothyroxine Sodium
53 claims
- Lisinopril
Lisinopril
49 claims
- Metformin Hcl Er 38
Metformin Hcl Er
38 claims
- Losartan Potassium 37
Losartan Potassium
37 claims
| Drug | Claims |
|---|---|
| Atorvastatin Calcium | 111 |
| Amlodipine Besylate | 72 |
| Sertraline Hcl | 61 |
| Metoprolol Succinate | 54 |
| Levothyroxine Sodium | 53 |
| Lisinopril | 49 |
| Metformin Hcl Er Metformin Hcl | 38 |
| Losartan Potassium | 37 |
| Furosemide | 36 |
| Metformin Hcl | 35 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Family Nurse Practitioner Overview
How Joslyn Cook, APRN, CNP fits within the Family Nurse Practitioner landscape nationally.
210,832
Family Nurse Practitioner Providers in US
56
States with Family Nurse Practitioner
1,222
Avg Claims per Provider
Joslyn Cook, APRN, CNP's 1,754 claims are above the specialty average of 1,222.
Nearby Family Nurse Practitioner Providers in Minnesota
Other clinicians with the same primary specialty enrolled in Minnesota, drawn from the same CMS NPPES roster as Cook.
Dr. Christine Aas-Larson
RN, CNP
Duluth, MN
Dr. Joeanna Aasen
APRN, CNP, DNP
Minneapolis, MN
Rodney Abary
Minneapolis, MN
Dr. Hamdi Abdi
ARNP
Minneapolis, MN
Nimo Abdi
Eden Prairie, MN
Compare Family Nurse Practitioner nationally: see state-by-state distribution →
Before you book an appointment
Use this federal record as your verification checklist, not as a recommendation.
- Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
- Check the active license and any disciplinary history with the Minnesota medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Family Nurse Practitioner peer on Medicare volume and prescribing patterns. Compare providers
Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.
Healthcare Guides
Learn more about finding, verifying, and understanding healthcare providers.
How to Find a Doctor
Step-by-step guide to choosing a provider
Verify Credentials
Check NPI, board certification & license status
Medical Specialties Explained
Who treats what and how specialties differ
Understanding Medicare Claims Data
What prescribing data reveals about a provider
In-Network vs Out-of-Network
How insurance networks affect your costs
Telehealth Guide
Virtual care options and coverage in 2026
Explore Minnesota
Frequently Asked Questions
What is Joslyn Cook, APRN, CNP's specialty? ▼
Joslyn Cook, APRN, CNP specializes in Family Nurse Practitioner and practices in Hibbing, Minnesota. Credentials: APRN, CNP.
How much does Joslyn Cook, APRN, CNP prescribe under Medicare Part D? ▼
In 2023, Joslyn Cook, APRN, CNP wrote 1,754 Medicare Part D claims totaling $189K in drug costs for 196 beneficiaries.
Where is Joslyn Cook, APRN, CNP located? ▼
Joslyn Cook, APRN, CNP is located at 730 E 34TH ST, Hibbing, MN, 55746. Phone: (218) 262-3425.
What is Joslyn Cook, APRN, CNP's NPI number? ▼
Joslyn Cook, APRN, CNP's National Provider Identifier (NPI) is 1235861758, issued on 06/24/2022.
Does Joslyn Cook, APRN, CNP prescribe more brand-name or generic drugs? ▼
Joslyn Cook, APRN, CNP's prescribing is 10% brand-name and 88% generic drugs by claim count, with $151K in brand drug costs.
Does Joslyn Cook, APRN, CNP prescribe opioids? ▼
Yes, Joslyn Cook, APRN, CNP had 48 opioid claims in 2023 with an opioid prescribing rate of 2.7%.
How many Family Nurse Practitioner providers are there in the US? ▼
There are 210,832 Family Nurse Practitioner providers across 56 states in the US. The average Family Nurse Practitioner provider writes 1,222 Medicare Part D claims per year.
What drugs does Joslyn Cook, APRN, CNP prescribe most often? ▼
Based on 2023 Medicare Part D data, Joslyn Cook, APRN, CNP's most frequently prescribed drugs include Atorvastatin Calcium, Amlodipine Besylate, Sertraline Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Joslyn Cook, APRN, CNP accept Medicare? ▼
Joslyn Cook, APRN, CNP appears in CMS Medicare data with 1,754 Part D claims and 196 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Joslyn Cook, APRN, CNP's credentials? ▼
Joslyn Cook, APRN, CNP's NPI is 1235861758 with credentials APRN, CNP. 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
View source datasets and methodology notes
- 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
Compiled from official public sources by the PlainDoctor editorial team.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.