NPI registry status
Active
2026 NPPES data Adult Health Nurse Practitioner NPI 1396272894 NP-C
Verify on CMS → David Marsh, NP-C
Adult Health Nurse Practitioner in Roseburg, Oregon.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 29,811 in Adult Health 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
2K
Medicare Part D claims · 338 beneficiaries · Adult Health Nurse Practitioner avg: 1K
Generic prescribing
84%
generic claims · 15% 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
David Marsh, NP-C filed 1,667 Medicare Part D claims in 2024 as an Adult Health Nurse Practitioner in Roseburg, Oregon, prescribing 84% generic.
- 2K
- Part D claims, 2024
- 84%
- generic prescribing
- ≥81st
- 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 David Marsh, NP-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 1396272894), first enumerated 05/15/2017.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 1,667 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 1396272894 · Adult Health Nurse Practitioner
NPI-10 · ENUM-RECENT · TAX-MID · RX-MID · BOOK-THIN · PHOTO-ENUM
- NPI-10 1396272894
- ENUM-RECENT 2017
- TAX-MID 30K Adult Health
- RX-MID 1,667
- BOOK-THIN 301 in Oregon
- PHOTO-ENUM Laura Wetzel · 2017
David Marsh, NP-C's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2024, across all CMS prescribers nationally
1,667 ≥ 81st percentile 81% 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 David Marsh, NP-C?
Quality data not reportedPrimary specialty
Adult Health Nurse Practitioner
Medicare Part D claims
1,667 29% vs specialty avg
Specialty distribution in Oregon
How Adult Health Nurse Practitioner compares to other specialties among Oregon 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 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).
Practice Address
Provider Details
| NPI | 1396272894 |
|---|---|
| Specialty | Adult Health Nurse Practitioner |
| Credentials | NP-C |
| Gender | Male |
| NPI Issued | 05/15/2017 |
Hospital and facility affiliations
Facilities where David Marsh, NP-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.
Crm Physicians LLC
Gresham, OR
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
David Marsh, NP-C - brand share 15.0%
Adult Health Nurse Practitioner average
15% brand-name claims vs 84% generic, on 1,667 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.
1,667
Total Claims
$87K
Total Drug Cost
338
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 1,679.333
- Total Day Supply
- 29,624
- Brand vs Generic
- 15% brand / 84% generic
- Brand Drug Cost
- $47K
- Generic Drug Cost
- $31K
- Opioid Claims
- 401 (24.1% rate)
- Antibiotic Claims
- 35
Patient Demographics
- Average Patient Age
- 75.9 years
- Avg HCC Risk Score
- 3.08
- Gender Split
- 58% female / 42% male
- Age Distribution
- <65: 39, 65-74: 110, 75-84: 123, 85+: 66
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
What David Marsh, NP-C prescribes most
Top Medicare Part D drugs by claim count, 2024
- Oxycodone Hcl
Oxycodone Hcl
156 claims
- Pregabalin
Pregabalin
86 claims
- Tramadol Hcl
Tramadol Hcl
72 claims
- Hydrocodone-Acetam…
Hydrocodone-Acetaminophen
71 claims
- Gabapentin
Gabapentin
66 claims
- Amlodipine Besylate 47
Amlodipine Besylate
47 claims
- Eliquis 42
Eliquis
42 claims
- Levothyroxine Sodium 42
Levothyroxine Sodium
42 claims
| Drug | Claims |
|---|---|
| Oxycodone Hcl | 156 |
| Pregabalin | 86 |
| Tramadol Hcl | 72 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 71 |
| Gabapentin | 66 |
| Amlodipine Besylate | 47 |
| Eliquis Apixaban | 42 |
| Levothyroxine Sodium | 42 |
| Lisinopril | 42 |
| Lorazepam | 41 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Adult Health Nurse Practitioner Overview
How David Marsh, NP-C fits within the Adult Health Nurse Practitioner landscape nationally.
29,811
Adult Health Nurse Practitioner Providers in US
55
States with Adult Health Nurse Practitioner
1,291
Avg Claims per Provider
David Marsh, NP-C's 1,667 claims are above the specialty average of 1,291.
Nationwide Adult Health Nurse Practitioner peers with similar MIPS or enrollment year
Two federal-record peer sets for Marsh, both outside Oregon so the neighborhoods are not geographic containment.
Same NPPES enumeration year (2017)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Adult Health Nurse Practitioner Providers in Oregon
Other clinicians with the same primary specialty enrolled in Oregon, drawn from the same CMS NPPES roster as Marsh.
One of 301 Adult Health Nurse Practitioner providers enrolled in Oregon, 5 are shown here.
Lakshi Aldredge
NP
Portland, OR
Eden Aldrich
FNP
Bend, OR
Nancy Allison
ANP
Portland, OR
Stephen Allred
NP
Portland, OR
Mary Lou Alonso
NP1578815783
Cave Junction, OR
Compare Adult Health Nurse Practitioner nationally: see state-by-state distribution →
Frequently Asked Questions
What is David Marsh, NP-C's specialty? ▼
David Marsh, NP-C specializes in Adult Health Nurse Practitioner and practices in Roseburg, Oregon. Credentials: NP-C.
How much does David Marsh, NP-C prescribe under Medicare Part D? ▼
In 2024, David Marsh, NP-C wrote 1,667 Medicare Part D claims totaling $87K in drug costs for 338 beneficiaries.
Where is David Marsh, NP-C located? ▼
David Marsh, NP-C is located at 525 W UMPQUA ST, Roseburg, OR, 97471. Phone: (541) 464-7141.
What is David Marsh, NP-C's NPI number? ▼
David Marsh, NP-C's National Provider Identifier (NPI) is 1396272894, issued on 05/15/2017.
Does David Marsh, NP-C prescribe more brand-name or generic drugs? ▼
David Marsh, NP-C's prescribing is 15% brand-name and 84% generic drugs by claim count, with $47K in brand drug costs.
Does David Marsh, NP-C prescribe opioids? ▼
Yes, David Marsh, NP-C had 401 opioid claims in 2024 with an opioid prescribing rate of 24.1%.
How many Adult Health Nurse Practitioner providers are there in the US? ▼
There are 29,811 Adult Health Nurse Practitioner providers across 55 states in the US. The average Adult Health Nurse Practitioner provider writes 1,291 Medicare Part D claims per year.
What drugs does David Marsh, NP-C prescribe most often? ▼
Based on 2024 Medicare Part D data, David Marsh, NP-C's most frequently prescribed drugs include Oxycodone Hcl, Pregabalin, Tramadol Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does David Marsh, NP-C accept Medicare? ▼
David Marsh, NP-C appears in CMS Medicare data with 1,667 Part D claims and 338 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify David Marsh, NP-C's credentials? ▼
David Marsh, NP-C's NPI is 1396272894 with credentials NP-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.