NPI registry status
Active
2026 NPPES data Acute Care Nurse Practitioner NPI 1538562426 ACNP
Verify on CMS → Jennifer Armfield, ACNP
Acute Care Nurse Practitioner in Phoenix, Arizona.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 24,697 in Acute Care 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
841
Medicare Part D claims · 186 beneficiaries · Acute Care Nurse Practitioner avg: 576
Generic prescribing
89%
generic claims · 11% 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
Jennifer Armfield, ACNP filed 841 Medicare Part D claims in 2023 as a Acute Care Nurse Practitioner in Phoenix, Arizona, prescribing 89% generic.
- 841
- Part D claims, 2023
- 89%
- 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.
Jennifer Armfield, ACNP's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
841 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 Jennifer Armfield, ACNP?
Quality data not reportedPrimary specialty
Acute Care Nurse Practitioner
Medicare Part D claims
841 46% vs specialty avg
Specialty distribution in Arizona
How Acute Care Nurse Practitioner compares to other specialties among Arizona 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 Acute Care 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).
Jennifer Armfield, ACNP appears in the CMS NPPES registry as an Acute Care Nurse Practitioner provider holding ACNP credentials at 240 W THOMAS RD # 301, Phoenix, AZ, 85013, with a listed phone of (602) 406-6262. NPI 1538562426 was issued on 10/06/2014.
Medicare Part D records for calendar year 2023 show 841 prescription claims written by this provider, covering 186 Medicare beneficiaries and totaling roughly $382K in drug spend, split 11% brand-name and 89% generic by claim count, with an opioid prescribing rate of 2.3%.
Acute Care Nurse Practitioner is a mid-sized specialty nationwide, with 24,697 enrolled providers across 53 states and an average of 576 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 | 1538562426 |
|---|---|
| Specialty | Acute Care Nurse Practitioner |
| Credentials | ACNP |
| Gender | Female |
| NPI Issued | 10/06/2014 |
Brand vs generic prescribing mix · Typical
Jennifer Armfield, ACNP - brand share 11.0%
Acute Care Nurse Practitioner average
11% brand-name claims vs 89% generic, on 841 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.
841
Total Claims
$382K
Total Drug Cost
186
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 1,786
- Total Day Supply
- 52,883
- Brand vs Generic
- 11% brand / 89% generic
- Brand Drug Cost
- $273K
- Generic Drug Cost
- $109K
- Opioid Claims
- 19 (2.3% rate)
Patient Demographics
- Average Patient Age
- 71.9 years
- Avg HCC Risk Score
- 1.61
- Gender Split
- 42% female / 58% male
- Age Distribution
- <65: 26, 65-74: 79, 75-84: 68, 85+: 13
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Jennifer Armfield, ACNP prescribes most
Top Medicare Part D drugs by claim count, 2023
- Carbidopa-Levodopa
Carbidopa-Levodopa
165 claims
- Carbidopa-Levodopa… 64
Carbidopa-Levodopa Er
64 claims
- Clonazepam 52
Clonazepam
52 claims
- Primidone 42
Primidone
42 claims
- Rytary 41
Rytary
41 claims
- Gabapentin 37
Gabapentin
37 claims
- Quetiapine Fumarate 32
Quetiapine Fumarate
32 claims
- Ropinirole Hcl 30
Ropinirole Hcl
30 claims
| Drug | Claims |
|---|---|
| Carbidopa-Levodopa Carbidopa/Levodopa | 165 |
| Carbidopa-Levodopa Er Carbidopa/Levodopa | 64 |
| Clonazepam | 52 |
| Primidone | 42 |
| Rytary Carbidopa/Levodopa | 41 |
| Gabapentin | 37 |
| Quetiapine Fumarate | 32 |
| Ropinirole Hcl | 30 |
| Amantadine Amantadine Hcl | 28 |
| Mirtazapine | 22 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Acute Care Nurse Practitioner Overview
How Jennifer Armfield, ACNP fits within the Acute Care Nurse Practitioner landscape nationally.
24,697
Acute Care Nurse Practitioner Providers in US
53
States with Acute Care Nurse Practitioner
576
Avg Claims per Provider
Jennifer Armfield, ACNP's 841 claims are above the specialty average of 576.
Nearby Acute Care Nurse Practitioner Providers in Arizona
Other clinicians with the same primary specialty enrolled in Arizona, drawn from the same CMS NPPES roster as Armfield.
Dr. Jane Abucha
DNP, ACNP-BC
Surprise, AZ
Andrew Acevedo
Bullhead City, AZ
Winifred Adebiyi
Phoenix, AZ
Dr. Cassandra Albrecht
AGACNP
Chandler, AZ
Dr. Robert Alexander
ACNP-BC, FNP-BC
Gilbert, AZ
Compare Acute Care 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 Arizona medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Acute Care 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 Jennifer Armfield, ACNP's specialty? ▼
Jennifer Armfield, ACNP specializes in Acute Care Nurse Practitioner and practices in Phoenix, Arizona. Credentials: ACNP.
How much does Jennifer Armfield, ACNP prescribe under Medicare Part D? ▼
In 2023, Jennifer Armfield, ACNP wrote 841 Medicare Part D claims totaling $382K in drug costs for 186 beneficiaries.
Where is Jennifer Armfield, ACNP located? ▼
Jennifer Armfield, ACNP is located at 240 W THOMAS RD # 301, Phoenix, AZ, 85013. Phone: (602) 406-6262.
What is Jennifer Armfield, ACNP's NPI number? ▼
Jennifer Armfield, ACNP's National Provider Identifier (NPI) is 1538562426, issued on 10/06/2014.
Does Jennifer Armfield, ACNP prescribe more brand-name or generic drugs? ▼
Jennifer Armfield, ACNP's prescribing is 11% brand-name and 89% generic drugs by claim count, with $273K in brand drug costs.
Does Jennifer Armfield, ACNP prescribe opioids? ▼
Yes, Jennifer Armfield, ACNP had 19 opioid claims in 2023 with an opioid prescribing rate of 2.3%.
How many Acute Care Nurse Practitioner providers are there in the US? ▼
There are 24,697 Acute Care Nurse Practitioner providers across 53 states in the US. The average Acute Care Nurse Practitioner provider writes 576 Medicare Part D claims per year.
What drugs does Jennifer Armfield, ACNP prescribe most often? ▼
Based on 2023 Medicare Part D data, Jennifer Armfield, ACNP's most frequently prescribed drugs include Carbidopa-Levodopa, Carbidopa-Levodopa Er, Clonazepam. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Jennifer Armfield, ACNP accept Medicare? ▼
Jennifer Armfield, ACNP appears in CMS Medicare data with 841 Part D claims and 186 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Jennifer Armfield, ACNP's credentials? ▼
Jennifer Armfield, ACNP's NPI is 1538562426 with credentials ACNP. 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.