NPI registry status
Active
2026 NPPES data Surgical Physician Assistant NPI 1275541229 P.A.
Verify on CMS → James Arellano, P.A.
Surgical Physician Assistant in Roseville, California.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 16,119 in Surgical Physician Assistant, 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
577
Medicare Part D claims · 188 beneficiaries · Surgical Physician Assistant avg: 316
Generic prescribing
97%
generic claims · 3% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$305.22
4 payments · CMS Open Payments (Sunshine Act)
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
James Arellano, P.A. filed 577 Medicare Part D claims in 2023 as a Surgical Physician Assistant in Roseville, California, prescribing 97% generic.
- 577
- Part D claims, 2023
- 97%
- generic prescribing
- $305.22
- industry payments (Sunshine Act)
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.
James Arellano, P.A.'s Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
577 Top 34% higher than 66% 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 James Arellano, P.A.?
Quality data not reportedPrimary specialty
Surgical Physician Assistant
Medicare Part D claims
577 83% vs specialty avg
Specialty distribution in California
How Surgical Physician Assistant compares to other specialties among California 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 Surgical Physician Assistant. 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).
James Arellano, P.A. appears in the CMS NPPES registry as a Surgical Physician Assistant provider holding P.A. credentials at 2 MEDICAL PLAZA DR, Roseville, CA, 95661, with a listed phone of (916) 773-8700. NPI 1275541229 was issued on 08/04/2006.
Medicare Part D records for calendar year 2023 show 577 prescription claims written by this provider, covering 188 Medicare beneficiaries and totaling roughly $16K in drug spend, split 3% brand-name and 97% generic by claim count, with an opioid prescribing rate of 40.2%.
Surgical Physician Assistant is a mid-sized specialty nationwide, with 16,119 enrolled providers across 54 states and an average of 316 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 | 1275541229 |
|---|---|
| Specialty | Surgical Physician Assistant |
| Credentials | P.A. |
| Gender | Male |
| NPI Issued | 08/04/2006 |
Industry payments received (2024) - CMS Open Payments transparency data
The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for James Arellano, P.A.. Source: openpaymentsdata.cms.gov.
Total received
$305
Largest payer
Medtronic, Inc.
Most common payment type
Food and Beverage
Industry payments are not necessarily indicators of bias, they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.
License & disciplinary context - California MBC 2023 annual report
Aggregate state board data only, NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~150K California medical licensees in 2023 - they are NOT specific to James Arellano, P.A.. To verify James Arellano, P.A.'s current license status, search the MBC public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
576
Total board actions, California 2023
Across 556 cases
3.84
Actions per 1,000 licensees
California statewide rate
probation
Most common action type
186 cases
MBC publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the California disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.
Brand vs generic prescribing mix · Generic-heavy
James Arellano, P.A. - brand share 3.0%
Surgical Physician Assistant average
3% brand-name claims vs 97% generic, on 577 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.
577
Total Claims
$16K
Total Drug Cost
188
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 680
- Total Day Supply
- 12,526
- Brand vs Generic
- 3% brand / 97% generic
- Brand Drug Cost
- $7K
- Generic Drug Cost
- $9K
- Opioid Claims
- 232 (40.2% rate)
- Antibiotic Claims
- 23
Patient Demographics
- Average Patient Age
- 72.6 years
- Avg HCC Risk Score
- 1.35
- Gender Split
- 50% female / 50% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What James Arellano, P.A. prescribes most
Top Medicare Part D drugs by claim count, 2023
- Oxycodone-Acetamin…
Oxycodone-Acetaminophen
146 claims
- Gabapentin
Gabapentin
63 claims
- Hydrocodone-Acetam…
Hydrocodone-Acetaminophen
60 claims
- Baclofen 46
Baclofen
46 claims
- Tizanidine Hcl 45
Tizanidine Hcl
45 claims
- Prednisone 20
Prednisone
20 claims
- Meloxicam 13
Meloxicam
13 claims
- Amoxicillin 12
Amoxicillin
12 claims
| Drug | Claims |
|---|---|
| Oxycodone-Acetaminophen Oxycodone Hcl/Acetaminophen | 146 |
| Gabapentin | 63 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 60 |
| Baclofen | 46 |
| Tizanidine Hcl | 45 |
| Prednisone | 20 |
| Meloxicam | 13 |
| Amoxicillin | 12 |
| Oxycodone Hcl | 12 |
| Pregabalin | 12 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Surgical Physician Assistant Overview
How James Arellano, P.A. fits within the Surgical Physician Assistant landscape nationally.
16,119
Surgical Physician Assistant Providers in US
54
States with Surgical Physician Assistant
316
Avg Claims per Provider
James Arellano, P.A.'s 577 claims are above the specialty average of 316.
Nearby Surgical Physician Assistant Providers in California
Other clinicians with the same primary specialty enrolled in California, drawn from the same CMS NPPES roster as Arellano.
Dr. Terri Abbott
P.A.
La Jolla, CA
Dr. Emily Abdinor
PA-C
Sacramento, CA
Dr. Jory Adam
PA-C
Rancho Santa Margarita, CA
Dr. Zulhumar Adil
PA-C
Fullerton, CA
Dr. Neil Adler
PA
San Jose, CA
Compare Surgical Physician Assistant 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 California medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Surgical Physician Assistant 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 James Arellano, P.A.'s specialty? ▼
James Arellano, P.A. specializes in Surgical Physician Assistant and practices in Roseville, California. Credentials: P.A..
How much does James Arellano, P.A. prescribe under Medicare Part D? ▼
In 2023, James Arellano, P.A. wrote 577 Medicare Part D claims totaling $16K in drug costs for 188 beneficiaries.
Where is James Arellano, P.A. located? ▼
James Arellano, P.A. is located at 2 MEDICAL PLAZA DR, Roseville, CA, 95661. Phone: (916) 773-8700.
What is James Arellano, P.A.'s NPI number? ▼
James Arellano, P.A.'s National Provider Identifier (NPI) is 1275541229, issued on 08/04/2006.
Does James Arellano, P.A. prescribe more brand-name or generic drugs? ▼
James Arellano, P.A.'s prescribing is 3% brand-name and 97% generic drugs by claim count, with $7K in brand drug costs.
Does James Arellano, P.A. prescribe opioids? ▼
Yes, James Arellano, P.A. had 232 opioid claims in 2023 with an opioid prescribing rate of 40.2%.
How many Surgical Physician Assistant providers are there in the US? ▼
There are 16,119 Surgical Physician Assistant providers across 54 states in the US. The average Surgical Physician Assistant provider writes 316 Medicare Part D claims per year.
What drugs does James Arellano, P.A. prescribe most often? ▼
Based on 2023 Medicare Part D data, James Arellano, P.A.'s most frequently prescribed drugs include Oxycodone-Acetaminophen, Gabapentin, Hydrocodone-Acetaminophen. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does James Arellano, P.A. accept Medicare? ▼
James Arellano, P.A. appears in CMS Medicare data with 577 Part D claims and 188 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify James Arellano, P.A.'s credentials? ▼
James Arellano, P.A.'s NPI is 1275541229 with credentials P.A.. 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.