NPI registry status
Active
2026 NPPES data Gerontology Nurse Practitioner NPI 1144741257 NURSE PRACTITIONER
Verify on CMS → Josephine Krizek, NURSE PRACTITIONER
Gerontology Nurse Practitioner in Milwaukee, Wisconsin.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 9,706 in Gerontology 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
815
Medicare Part D claims · 361 beneficiaries · Gerontology Nurse Practitioner avg: 1K
Compiled from official public sources by the PlainDoctor editorial team.
What the federal data shows
Josephine Krizek, NURSE PRACTITIONER filed 815 Medicare Part D claims in 2023 as a Gerontology Nurse Practitioner in Milwaukee, Wisconsin.
- 815
- Part D claims, 2023
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.
Josephine Krizek, NURSE PRACTITIONER's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
815 Top 27% higher than 73% 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 Josephine Krizek, NURSE PRACTITIONER?
Quality data not reportedPrimary specialty
Gerontology Nurse Practitioner
Medicare Part D claims
815 36% vs specialty avg
Specialty distribution in Wisconsin
How Gerontology Nurse Practitioner compares to other specialties among Wisconsin 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 Gerontology 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).
Josephine Krizek, NURSE PRACTITIONER appears in the CMS NPPES registry as a Gerontology Nurse Practitioner provider holding NURSE PRACTITIONER credentials at 5380 W FOND DU LAC AVE, Milwaukee, WI, 53216, with a listed phone of (844) 493-1052. NPI 1144741257 was issued on 06/28/2017.
Medicare Part D records for calendar year 2023 show 815 prescription claims written by this provider, covering 361 Medicare beneficiaries and totaling roughly $52K in drug spend, with an opioid prescribing rate of 6.1%.
Gerontology Nurse Practitioner is a mid-sized specialty nationwide, with 9,706 enrolled providers across 54 states and an average of 1,283 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 | 1144741257 |
|---|---|
| Specialty | Gerontology Nurse Practitioner |
| Credentials | NURSE PRACTITIONER |
| Gender | Female |
| NPI Issued | 06/28/2017 |
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
815
Total Claims
$52K
Total Drug Cost
361
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 1,210
- Total Day Supply
- 27,642
- Generic Drug Cost
- $15K
- Opioid Claims
- 50 (6.1% rate)
- Antibiotic Claims
- 103
Patient Demographics
- Average Patient Age
- 72.0 years
- Avg HCC Risk Score
- 2.04
- Gender Split
- 65% female / 35% male
- Age Distribution
- <65: 68, 65-74: 148, 75-84: 97, 85+: 48
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Josephine Krizek, NURSE PRACTITIONER prescribes most
Top Medicare Part D drugs by claim count, 2023
- Amlodipine Besylate
Amlodipine Besylate
28 claims
- Tizanidine Hcl
Tizanidine Hcl
28 claims
- Tramadol Hcl
Tramadol Hcl
27 claims
- Amoxicillin-Clavul…
Amoxicillin-Clavulanate Potass
25 claims
- Nitrofurantoin Mon…
Nitrofurantoin Mono-Macro
22 claims
- Prednisone
Prednisone
22 claims
- Hydrocodone-Acetam…
Hydrocodone-Acetaminophen
21 claims
- Methylprednisolone
Methylprednisolone
21 claims
| Drug | Claims |
|---|---|
| Amlodipine Besylate | 28 |
| Tizanidine Hcl | 28 |
| Tramadol Hcl | 27 |
| Amoxicillin-Clavulanate Potass Amoxicillin/Potassium Clav | 25 |
| Nitrofurantoin Mono-Macro Nitrofurantoin Monohyd/M-Cryst | 22 |
| Prednisone | 22 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 21 |
| Methylprednisolone | 21 |
| Albuterol Sulfate Hfa Albuterol Sulfate | 18 |
| Atorvastatin Calcium | 18 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Gerontology Nurse Practitioner Overview
How Josephine Krizek, NURSE PRACTITIONER fits within the Gerontology Nurse Practitioner landscape nationally.
9,706
Gerontology Nurse Practitioner Providers in US
54
States with Gerontology Nurse Practitioner
1,283
Avg Claims per Provider
Josephine Krizek, NURSE PRACTITIONER's 815 claims are below the specialty average of 1,283.
Nearby Gerontology Nurse Practitioner Providers in Wisconsin
Other clinicians with the same primary specialty enrolled in Wisconsin, drawn from the same CMS NPPES roster as Krizek.
Dr. Blaire Adkins
DNP
Madison, WI
Dr. Fatima Ali
NP
Mequon, WI
Dr. Nina Alioto
NP
Milwaukee, WI
Dr. Patricia Angelucci
NP
Appleton, WI
Dr. Jessica Angove
APNP
Waukesha, WI
Compare Gerontology 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 Wisconsin medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Gerontology 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.
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Frequently Asked Questions
What is Josephine Krizek, NURSE PRACTITIONER's specialty? ▼
Josephine Krizek, NURSE PRACTITIONER specializes in Gerontology Nurse Practitioner and practices in Milwaukee, Wisconsin. Credentials: NURSE PRACTITIONER.
How much does Josephine Krizek, NURSE PRACTITIONER prescribe under Medicare Part D? ▼
In 2023, Josephine Krizek, NURSE PRACTITIONER wrote 815 Medicare Part D claims totaling $52K in drug costs for 361 beneficiaries.
Where is Josephine Krizek, NURSE PRACTITIONER located? ▼
Josephine Krizek, NURSE PRACTITIONER is located at 5380 W FOND DU LAC AVE, Milwaukee, WI, 53216. Phone: (844) 493-1052.
What is Josephine Krizek, NURSE PRACTITIONER's NPI number? ▼
Josephine Krizek, NURSE PRACTITIONER's National Provider Identifier (NPI) is 1144741257, issued on 06/28/2017.
Does Josephine Krizek, NURSE PRACTITIONER prescribe opioids? ▼
Yes, Josephine Krizek, NURSE PRACTITIONER had 50 opioid claims in 2023 with an opioid prescribing rate of 6.1%.
How many Gerontology Nurse Practitioner providers are there in the US? ▼
There are 9,706 Gerontology Nurse Practitioner providers across 54 states in the US. The average Gerontology Nurse Practitioner provider writes 1,283 Medicare Part D claims per year.
What drugs does Josephine Krizek, NURSE PRACTITIONER prescribe most often? ▼
Based on 2023 Medicare Part D data, Josephine Krizek, NURSE PRACTITIONER's most frequently prescribed drugs include Amlodipine Besylate, Tizanidine Hcl, Tramadol Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Josephine Krizek, NURSE PRACTITIONER accept Medicare? ▼
Josephine Krizek, NURSE PRACTITIONER appears in CMS Medicare data with 815 Part D claims and 361 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Josephine Krizek, NURSE PRACTITIONER's credentials? ▼
Josephine Krizek, NURSE PRACTITIONER's NPI is 1144741257 with credentials NURSE PRACTITIONER. 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.