NPI registry status
Active
2026 NPPES data Specialist NPI 1285818682 PA-C
Verify on CMS → Danielle Chapin, PA-C
Specialist in Missoula, Montana.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 69,567 in 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
2K
Medicare Part D claims · 463 beneficiaries · Specialist avg: 2K
Generic prescribing
88%
generic claims · 12% 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
Danielle Chapin, PA-C filed 2,351 Medicare Part D claims in 2024 as a Specialist in Missoula, Montana, prescribing 88% generic.
- 2K
- Part D claims, 2024
- 88%
- generic prescribing
- ≥86th
- 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 Danielle Chapin, PA-C
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 1285818682), first enumerated 12/20/2007.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 2,351 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 1285818682 · Specialist
NPI-10 · ENUM-MID · TAX-MEGA · RX-MID · BOOK-THIN · PHOTO-ENUM
- NPI-10 1285818682
- ENUM-MID 2007
- TAX-MEGA 70K Specialist
- RX-MID 2,351
- BOOK-THIN 145 in Montana
- PHOTO-ENUM Aiyana Meadows, PT · 2007
Danielle Chapin, PA-C's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2024, across all CMS prescribers nationally
2,351 ≥ 86th percentile 86% 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 Danielle Chapin, PA-C?
Quality data not reportedPrimary specialty
Specialist
Medicare Part D claims
2,351 54% vs specialty avg
Specialty distribution in Montana
How Specialist compares to other specialties among Montana 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 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 | 1285818682 |
|---|---|
| Specialty | Specialist |
| Credentials | PA-C |
| Gender | Female |
| NPI Issued | 12/20/2007 |
Hospital and facility affiliations
Facilities where Danielle Chapin, PA-C 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.
Providence Health And Services Mt
Missoula, MT
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
Danielle Chapin, PA-C - brand share 12.0%
Specialist average
12% brand-name claims vs 88% generic, on 2,351 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.
2,351
Total Claims
$215K
Total Drug Cost
463
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 4,430.767
- Total Day Supply
- 129,036
- Brand vs Generic
- 12% brand / 88% generic
- Brand Drug Cost
- $189K
- Generic Drug Cost
- $24K
- Opioid Claims
- 60 (2.6% rate)
Patient Demographics
- Average Patient Age
- 72.1 years
- Avg HCC Risk Score
- 1.23
- Gender Split
- 66% female / 34% male
- Age Distribution
- <65: 60, 65-74: 210, 75-84: 156, 85+: 37
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
What Danielle Chapin, PA-C prescribes most
Top Medicare Part D drugs by claim count, 2024
- Atorvastatin Calcium
Atorvastatin Calcium
227 claims
- Lisinopril
Lisinopril
108 claims
- Omeprazole
Omeprazole
99 claims
- Levothyroxine Sodium
Levothyroxine Sodium
93 claims
- Amlodipine Besylate 82
Amlodipine Besylate
82 claims
- Metformin Hcl Er 68
Metformin Hcl Er
68 claims
- Losartan Potassium 61
Losartan Potassium
61 claims
- Irbesartan 44
Irbesartan
44 claims
| Drug | Claims |
|---|---|
| Atorvastatin Calcium | 227 |
| Lisinopril | 108 |
| Omeprazole | 99 |
| Levothyroxine Sodium | 93 |
| Amlodipine Besylate | 82 |
| Metformin Hcl Er Metformin Hcl | 68 |
| Losartan Potassium | 61 |
| Irbesartan | 44 |
| Rosuvastatin Calcium | 44 |
| Hydrochlorothiazide | 43 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Specialist Overview
How Danielle Chapin, PA-C fits within the Specialist landscape nationally.
69,567
Specialist Providers in US
55
States with Specialist
1,524
Avg Claims per Provider
Danielle Chapin, PA-C's 2,351 claims are above the specialty average of 1,524.
Nationwide Specialist peers with similar MIPS or enrollment year
Two federal-record peer sets for Chapin, both outside Montana so the neighborhoods are not geographic containment.
Same NPPES enumeration year (2007)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Specialist Providers in Montana
Other clinicians with the same primary specialty enrolled in Montana, drawn from the same CMS NPPES roster as Chapin.
One of 145 Specialist providers enrolled in Montana, 5 are shown here.
Donna Aline
PT
Helena, MT
Amber Ashby
LMT
Polson, MT
Dr. Matthew Bailey
M.D.
Kalispell, MT
Brittney Balbas
M.S., OTR/L
Columbia Falls, MT
Barbara Balko
Missoula, MT
Compare Specialist nationally: see state-by-state distribution →
Frequently Asked Questions
What is Danielle Chapin, PA-C's specialty? ▼
Danielle Chapin, PA-C specializes in Specialist and practices in Missoula, Montana. Credentials: PA-C.
How much does Danielle Chapin, PA-C prescribe under Medicare Part D? ▼
In 2024, Danielle Chapin, PA-C wrote 2,351 Medicare Part D claims totaling $215K in drug costs for 463 beneficiaries.
Where is Danielle Chapin, PA-C located? ▼
Danielle Chapin, PA-C is located at 500 W BROADWAY ST FL 4, Missoula, MT, 59802. Phone: (406) 327-1900.
What is Danielle Chapin, PA-C's NPI number? ▼
Danielle Chapin, PA-C's National Provider Identifier (NPI) is 1285818682, issued on 12/20/2007.
Does Danielle Chapin, PA-C prescribe more brand-name or generic drugs? ▼
Danielle Chapin, PA-C's prescribing is 12% brand-name and 88% generic drugs by claim count, with $189K in brand drug costs.
Does Danielle Chapin, PA-C prescribe opioids? ▼
Yes, Danielle Chapin, PA-C had 60 opioid claims in 2024 with an opioid prescribing rate of 2.6%.
How many Specialist providers are there in the US? ▼
There are 69,567 Specialist providers across 55 states in the US. The average Specialist provider writes 1,524 Medicare Part D claims per year.
What drugs does Danielle Chapin, PA-C prescribe most often? ▼
Based on 2024 Medicare Part D data, Danielle Chapin, PA-C's most frequently prescribed drugs include Atorvastatin Calcium, Lisinopril, Omeprazole. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Danielle Chapin, PA-C accept Medicare? ▼
Danielle Chapin, PA-C appears in CMS Medicare data with 2,351 Part D claims and 463 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Danielle Chapin, PA-C's credentials? ▼
Danielle Chapin, PA-C's NPI is 1285818682 with credentials PA-C. 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.