NPI registry status
Active
2026 NPPES data Adult Health Clinical Nurse Specialist NPI 1588289672 ARNP
Verify on CMS → Heidi Smith, ARNP
Adult Health Clinical Nurse Specialist in Mason City, Iowa.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 1,376 in Adult Health Clinical Nurse Specialist, 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
722
Medicare Part D claims · 144 beneficiaries · Adult Health Clinical Nurse Specialist avg: 1K
Generic prescribing
71%
generic claims · 29% brand-name · higher generic rates reduce patient out-of-pocket costs
Source: CMS Medicare Part D Prescriber Public Use File, 2024
What the federal data shows
Heidi Smith, ARNP filed 722 Medicare Part D claims in 2024 as an Adult Health Clinical Nurse Specialist in Mason City, Iowa, prescribing 71% generic.
- 722
- Part D claims, 2024
- 71%
- generic prescribing
- ≥70th
- pct by Part D claim volume (lower-bound band)
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.
Federal trust snapshot
What official records show about Heidi Smith, ARNP
Federal records show an active NPI with Medicare Part D prescribing activity — verifiable registry data, not a proprietary rating.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1588289672), first enumerated 06/15/2020.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 722 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- Reported
Hospital affiliations
1 CMS Care Compare hospital affiliation on record — practice footprint from the Doctors and Clinicians file.
Source: CMS Care Compare
- Not in federal data
Individual sanction lookup
PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.
Source: State medical board / FSMB
This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.
CMS NPPES provider registry desk
NPI 1588289672 · Adult Health Clinical Nurse Specialist
NPI-10 · ENUM-RECENT · TAX-NARROW · RX-LIGHT · BOOK-THIN · PHOTO-ENUM
- NPI-10 1588289672
- ENUM-RECENT 2020
- TAX-NARROW 1,376
- RX-LIGHT 722
- BOOK-THIN 8 in Iowa
- PHOTO-ENUM Kirby Lee · 2020
Heidi Smith, ARNP's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2024, across all CMS prescribers nationally
722 ≥ 70th percentile 70% of 1,416,883 prescribers are in lower value bands
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.
The percentile is a conservative 100-claim band: it counts only prescribers in lower claim-volume bands. Medicare Part D claim volume is activity context, not a quality measure or recommendation. See methodology § corpus placement.
Source CMS Medicare Part D Prescriber Public Use File · 2024
What does the federal data show about Heidi Smith, ARNP?
Quality data not reportedPrimary specialty
Adult Health Clinical Nurse Specialist
Medicare Part D claims
722 40% vs specialty avg
Specialty distribution in Iowa
How Adult Health Clinical Nurse Specialist compares to other specialties among Iowa 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 Adult Health Clinical Nurse Specialist. 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).
Practice Address
Provider Details
| NPI | 1588289672 |
|---|---|
| Specialty | Adult Health Clinical Nurse Specialist |
| Credentials | ARNP |
| Gender | Female |
| NPI Issued | 06/15/2020 |
Hospital and facility affiliations
Facilities where Heidi Smith, ARNP 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.
North Iowa Mercy Clinics
Mason City, IA
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 · Above average
Heidi Smith, ARNP - brand share 29.0%
Adult Health Clinical Nurse Specialist average
29% brand-name claims vs 71% generic, on 722 2024 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 2024.
722
Total Claims
$3.1M
Total Drug Cost
144
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 872.3
- Total Day Supply
- 23,784
- Brand vs Generic
- 29% brand / 71% generic
- Brand Drug Cost
- $2.9M
- Generic Drug Cost
- $129K
- Opioid Claims
- 32 (4.4% rate)
- Antibiotic Claims
- 44
Patient Demographics
- Average Patient Age
- 74.4 years
- Avg HCC Risk Score
- 2.62
- Gender Split
- 49% female / 51% male
- Age Distribution
- <65: 11, 65-74: 63, 75-84: 55, 85+: 15
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
What Heidi Smith, ARNP prescribes most
Top Medicare Part D drugs by claim count, 2024
- Hydroxyurea
Hydroxyurea
68 claims
- Sulfamethoxazole-T…
Sulfamethoxazole-Trimethoprim
34 claims
- Brukinsa
Brukinsa
33 claims
- Imbruvica
Imbruvica
28 claims
- Gabapentin 27
Gabapentin
27 claims
- Acyclovir 26
Acyclovir
26 claims
- Eliquis 25
Eliquis
25 claims
- Famotidine 22
Famotidine
22 claims
| Drug | Claims |
|---|---|
| Hydroxyurea | 68 |
| Sulfamethoxazole-Trimethoprim Sulfamethoxazole/Trimethoprim | 34 |
| Brukinsa Zanubrutinib | 33 |
| Imbruvica Ibrutinib | 28 |
| Gabapentin | 27 |
| Acyclovir | 26 |
| Eliquis Apixaban | 25 |
| Famotidine | 22 |
| Imatinib Mesylate | 22 |
| Xtandi Enzalutamide | 20 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Adult Health Clinical Nurse Specialist Overview
How Heidi Smith, ARNP fits within the Adult Health Clinical Nurse Specialist landscape nationally.
1,376
Adult Health Clinical Nurse Specialist Providers in US
49
States with Adult Health Clinical Nurse Specialist
1,202
Avg Claims per Provider
Heidi Smith, ARNP's 722 claims are below the specialty average of 1,202.
Nationwide Adult Health Clinical Nurse Specialist peers with similar MIPS or enrollment year
Two federal-record peer sets for Smith, both outside Iowa so the neighborhoods are not geographic containment.
Same NPPES enumeration year (2020)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Adult Health Clinical Nurse Specialist Providers in Iowa
Other clinicians with the same primary specialty enrolled in Iowa, drawn from the same CMS NPPES roster as Smith.
One of 8 Adult Health Clinical Nurse Specialist providers enrolled in Iowa, 5 are shown here.
Cynthia Doyle
ARNP
Iowa City, IA
Alyssa Grissom
APN, AGCNS
Cedar Rapids, IA
Dr. Amy Joslin
DNP, ARNP, AGCNS-BC
Mason City, IA
Dr. Danielle Malatek
DNP, PMHNP-BC, AGCNS
Johnston, IA
Jolyn Morgan
ARNP
Iowa City, IA
Compare Adult Health Clinical Nurse Specialist nationally: see state-by-state distribution →
Frequently Asked Questions
What is Heidi Smith, ARNP's specialty? ▼
Heidi Smith, ARNP specializes in Adult Health Clinical Nurse Specialist and practices in Mason City, Iowa. Credentials: ARNP.
How much does Heidi Smith, ARNP prescribe under Medicare Part D? ▼
In 2024, Heidi Smith, ARNP wrote 722 Medicare Part D claims totaling $3.1M in drug costs for 144 beneficiaries.
Where is Heidi Smith, ARNP located? ▼
Heidi Smith, ARNP is located at 1000 4TH ST SW, Mason City, IA, 50401. Phone: (641) 428-6300.
What is Heidi Smith, ARNP's NPI number? ▼
Heidi Smith, ARNP's National Provider Identifier (NPI) is 1588289672, issued on 06/15/2020.
Does Heidi Smith, ARNP prescribe more brand-name or generic drugs? ▼
Heidi Smith, ARNP's prescribing is 29% brand-name and 71% generic drugs by claim count, with $2.9M in brand drug costs.
Does Heidi Smith, ARNP prescribe opioids? ▼
Yes, Heidi Smith, ARNP had 32 opioid claims in 2024 with an opioid prescribing rate of 4.4%.
How many Adult Health Clinical Nurse Specialist providers are there in the US? ▼
There are 1,376 Adult Health Clinical Nurse Specialist providers across 49 states in the US. The average Adult Health Clinical Nurse Specialist provider writes 1,202 Medicare Part D claims per year.
What drugs does Heidi Smith, ARNP prescribe most often? ▼
Based on 2024 Medicare Part D data, Heidi Smith, ARNP's most frequently prescribed drugs include Hydroxyurea, Sulfamethoxazole-Trimethoprim, Brukinsa. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Heidi Smith, ARNP accept Medicare? ▼
Heidi Smith, ARNP appears in CMS Medicare data with 722 Part D claims and 144 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Heidi Smith, ARNP's credentials? ▼
Heidi Smith, ARNP's NPI is 1588289672 with credentials ARNP. 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 (2024). 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 August 2026 (NPPES) / 2024 (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
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 August 2026.