NPI registry status
Active
2026 NPPES data Nurse Practitioner NPI 1891928495 NP
Verify on CMS → Roberta Bell, NP
Nurse Practitioner in Grants Pass, 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 87,700 in 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
3K
Medicare Part D claims · 690 beneficiaries · Nurse Practitioner avg: 1K
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, 2023
Compiled from official public sources by the PlainDoctor editorial team.
What the federal data shows
Roberta Bell, NP filed 3,193 Medicare Part D claims in 2023 as a Nurse Practitioner in Grants Pass, Oregon, prescribing 88% generic.
- 3K
- Part D claims, 2023
- 88%
- 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.
Roberta Bell, NP's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
3,193 Top 11% higher than 89% 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 Roberta Bell, NP?
Quality data not reportedPrimary specialty
Nurse Practitioner
Medicare Part D claims
3,193 195% vs specialty avg
Specialty distribution in Oregon
How 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 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).
Roberta Bell, NP appears in the CMS NPPES registry as a Nurse Practitioner provider holding NP credentials at 537 UNION AVE, Grants Pass, OR, 97527, with a listed phone of (541) 507-2170. NPI 1891928495 was issued on 08/29/2009.
Medicare Part D records for calendar year 2023 show 3,193 prescription claims written by this provider, covering 690 Medicare beneficiaries and totaling roughly $266K in drug spend, split 12% brand-name and 88% generic by claim count, with an opioid prescribing rate of 6.5%.
Nurse Practitioner is a high-volume specialty nationwide, with 87,700 enrolled providers across 56 states and an average of 1,084 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 | 1891928495 |
|---|---|
| Specialty | Nurse Practitioner |
| Credentials | NP |
| Gender | Female |
| NPI Issued | 08/29/2009 |
Brand vs generic prescribing mix · Typical
Roberta Bell, NP - brand share 12.0%
Nurse Practitioner average
12% brand-name claims vs 88% generic, on 3,193 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.
3,193
Total Claims
$266K
Total Drug Cost
690
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 5,569
- Total Day Supply
- 154,754
- Brand vs Generic
- 12% brand / 88% generic
- Brand Drug Cost
- $202K
- Generic Drug Cost
- $63K
- Opioid Claims
- 208 (6.5% rate)
- Antibiotic Claims
- 152
Patient Demographics
- Average Patient Age
- 73.2 years
- Avg HCC Risk Score
- 1.40
- Gender Split
- 53% female / 47% male
- Age Distribution
- <65: 89, 65-74: 295, 75-84: 221, 85+: 85
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Roberta Bell, NP prescribes most
Top Medicare Part D drugs by claim count, 2023
- Levothyroxine Sodium
Levothyroxine Sodium
118 claims
- Atorvastatin Calcium
Atorvastatin Calcium
108 claims
- Lisinopril
Lisinopril
90 claims
- Hydrocodone-Acetam…
Hydrocodone-Acetaminophen
79 claims
- Albuterol Sulfate …
Albuterol Sulfate Hfa
66 claims
- Amlodipine Besylate
Amlodipine Besylate
65 claims
- Losartan Potassium
Losartan Potassium
60 claims
- Omeprazole
Omeprazole
54 claims
| Drug | Claims |
|---|---|
| Levothyroxine Sodium | 118 |
| Atorvastatin Calcium | 108 |
| Lisinopril | 90 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 79 |
| Albuterol Sulfate Hfa Albuterol Sulfate | 66 |
| Amlodipine Besylate | 65 |
| Losartan Potassium | 60 |
| Omeprazole | 54 |
| Trazodone Hcl | 54 |
| Metoprolol Succinate | 53 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Nurse Practitioner Overview
How Roberta Bell, NP fits within the Nurse Practitioner landscape nationally.
87,700
Nurse Practitioner Providers in US
56
States with Nurse Practitioner
1,084
Avg Claims per Provider
Roberta Bell, NP's 3,193 claims are above the specialty average of 1,084.
Nearby Nurse Practitioner Providers in Oregon
Other clinicians with the same primary specialty enrolled in Oregon, drawn from the same CMS NPPES roster as Bell.
Maryan Abdulkadir
Portland, OR
Dr. Anna Acree
FNP-C
Portland, OR
Dr. Stacey Agee
ANP
Astoria, OR
Dr. Becky Ahmed
NP-C
Hillsboro, OR
Dr. Christopher Aichele
ARNP
Portland, OR
Compare 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 Oregon medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby 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 Roberta Bell, NP's specialty? ▼
Roberta Bell, NP specializes in Nurse Practitioner and practices in Grants Pass, Oregon. Credentials: NP.
How much does Roberta Bell, NP prescribe under Medicare Part D? ▼
In 2023, Roberta Bell, NP wrote 3,193 Medicare Part D claims totaling $266K in drug costs for 690 beneficiaries.
Where is Roberta Bell, NP located? ▼
Roberta Bell, NP is located at 537 UNION AVE, Grants Pass, OR, 97527. Phone: (541) 507-2170.
What is Roberta Bell, NP's NPI number? ▼
Roberta Bell, NP's National Provider Identifier (NPI) is 1891928495, issued on 08/29/2009.
Does Roberta Bell, NP prescribe more brand-name or generic drugs? ▼
Roberta Bell, NP's prescribing is 12% brand-name and 88% generic drugs by claim count, with $202K in brand drug costs.
Does Roberta Bell, NP prescribe opioids? ▼
Yes, Roberta Bell, NP had 208 opioid claims in 2023 with an opioid prescribing rate of 6.5%.
How many Nurse Practitioner providers are there in the US? ▼
There are 87,700 Nurse Practitioner providers across 56 states in the US. The average Nurse Practitioner provider writes 1,084 Medicare Part D claims per year.
What drugs does Roberta Bell, NP prescribe most often? ▼
Based on 2023 Medicare Part D data, Roberta Bell, NP's most frequently prescribed drugs include Levothyroxine Sodium, Atorvastatin Calcium, Lisinopril. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Roberta Bell, NP accept Medicare? ▼
Roberta Bell, NP appears in CMS Medicare data with 3,193 Part D claims and 690 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Roberta Bell, NP's credentials? ▼
Roberta Bell, NP's NPI is 1891928495 with credentials NP. 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.