NPI registry status
Active
2026 NPPES data Registered Nurse NPI 1811287642 FNP
Verify on CMS → Allison Bax, FNP
Registered Nurse in Jefferson Cty, Missouri.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 177,204 in Registered Nurse, 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
280
Medicare Part D claims · 189 beneficiaries · Registered Nurse avg: 1K
Generic prescribing
90%
generic claims · 6% 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
Allison Bax, FNP filed 280 Medicare Part D claims in 2023 as a Registered Nurse in Jefferson Cty, Missouri, prescribing 90% generic.
- 280
- Part D claims, 2023
- 90%
- 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.
Allison Bax, FNP's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
280 49th percentile higher than 49% 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 Allison Bax, FNP?
Quality data not reportedPrimary specialty
Registered Nurse
Medicare Part D claims
280 72% vs specialty avg
Specialty distribution in Missouri
How Registered Nurse compares to other specialties among Missouri 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 Registered Nurse. 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).
Allison Bax, FNP appears in the CMS NPPES registry as a Registered Nurse provider holding FNP credentials at 3308 W EDGEWOOD DR, Jefferson Cty, MO, 65109, with a listed phone of (573) 893-7848. NPI 1811287642 was issued on 04/13/2011.
Medicare Part D records for calendar year 2023 show 280 prescription claims written by this provider, covering 189 Medicare beneficiaries and totaling roughly $4K in drug spend, split 6% brand-name and 90% generic by claim count.
Registered Nurse is a high-volume specialty nationwide, with 177,204 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
Provider Details
| NPI | 1811287642 |
|---|---|
| Specialty | Registered Nurse |
| Credentials | FNP |
| Gender | Female |
| NPI Issued | 04/13/2011 |
Hospital and facility affiliations
Facilities where Allison Bax, FNP 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.
Ssm Regional Health Services
Jefferson City, MO
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 · Generic-heavy
Allison Bax, FNP - brand share 6.0%
Registered Nurse average
6% brand-name claims vs 90% generic, on 280 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.
280
Total Claims
$4K
Total Drug Cost
189
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 286
- Total Day Supply
- 2,880
- Brand vs Generic
- 6% brand / 90% generic
- Brand Drug Cost
- $756
- Generic Drug Cost
- $4K
- Antibiotic Claims
- 147
Patient Demographics
- Average Patient Age
- 69.6 years
- Avg HCC Risk Score
- 0.94
- Gender Split
- 68% female / 32% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Allison Bax, FNP prescribes most
Top Medicare Part D drugs by claim count, 2023
- Cefdinir
Cefdinir
27 claims
- Cephalexin
Cephalexin
27 claims
- Doxycycline Hyclate
Doxycycline Hyclate
24 claims
- Methylprednisolone
Methylprednisolone
22 claims
- Amoxicillin-Clavul…
Amoxicillin-Clavulanate Potass
21 claims
- Albuterol Sulfate …
Albuterol Sulfate Hfa
18 claims
- Prednisone
Prednisone
17 claims
- Azithromycin
Azithromycin
11 claims
| Drug | Claims |
|---|---|
| Cefdinir | 27 |
| Cephalexin | 27 |
| Doxycycline Hyclate | 24 |
| Methylprednisolone | 22 |
| Amoxicillin-Clavulanate Potass Amoxicillin/Potassium Clav | 21 |
| Albuterol Sulfate Hfa Albuterol Sulfate | 18 |
| Prednisone | 17 |
| Azithromycin | 11 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Registered Nurse Overview
How Allison Bax, FNP fits within the Registered Nurse landscape nationally.
177,204
Registered Nurse Providers in US
56
States with Registered Nurse
1,000
Avg Claims per Provider
Allison Bax, FNP's 280 claims are below the specialty average of 1,000.
Nearby Registered Nurse Providers in Missouri
Other clinicians with the same primary specialty enrolled in Missouri, drawn from the same CMS NPPES roster as Bax.
Dastan Abdulqader
Saint Louis, MO
Dr. Zara Abdush-Shakir Bever
FNP
Kansas City, MO
Dr. Brenda Abernathy
RN
Cape Girardeau, MO
Abisola Abimbola
Saint Louis, MO
Dr. Bonnie Abraham
RN
Springfield, MO
Compare Registered Nurse 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 Missouri medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Registered Nurse 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 Allison Bax, FNP's specialty? ▼
Allison Bax, FNP specializes in Registered Nurse and practices in Jefferson Cty, Missouri. Credentials: FNP.
How much does Allison Bax, FNP prescribe under Medicare Part D? ▼
In 2023, Allison Bax, FNP wrote 280 Medicare Part D claims totaling $4K in drug costs for 189 beneficiaries.
Where is Allison Bax, FNP located? ▼
Allison Bax, FNP is located at 3308 W EDGEWOOD DR, Jefferson Cty, MO, 65109. Phone: (573) 893-7848.
What is Allison Bax, FNP's NPI number? ▼
Allison Bax, FNP's National Provider Identifier (NPI) is 1811287642, issued on 04/13/2011.
Does Allison Bax, FNP prescribe more brand-name or generic drugs? ▼
Allison Bax, FNP's prescribing is 6% brand-name and 90% generic drugs by claim count, with $756 in brand drug costs.
How many Registered Nurse providers are there in the US? ▼
There are 177,204 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 Allison Bax, FNP prescribe most often? ▼
Based on 2023 Medicare Part D data, Allison Bax, FNP's most frequently prescribed drugs include Cefdinir, Cephalexin, Doxycycline Hyclate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Allison Bax, FNP accept Medicare? ▼
Allison Bax, FNP appears in CMS Medicare data with 280 Part D claims and 189 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Allison Bax, FNP's credentials? ▼
Allison Bax, FNP's NPI is 1811287642 with credentials FNP. 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.