NPI registry status
Active
2026 NPPES data Anesthesiology Physician NPI 1730316548 M.D.
Verify on CMS → Nadiv Samimi, M.D.
Anesthesiology Physician in Los Angeles, 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 56,432 in Anesthesiology Physician, 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
988
Medicare Part D claims · 170 beneficiaries · Anesthesiology Physician avg: 860
Generic prescribing
89%
generic claims · 11% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
0/100
▼ 84 pts below national avg 83.5 · Penalty band
Industry payments
$396.54
9 payments · CMS Open Payments (Sunshine Act)
Source: CMS Medicare Part D Prescriber Public Use File, 2023
What the federal data shows
Nadiv Samimi, M.D. reported a CMS MIPS final score of 0/100 - below the 83.5 national average - and filed 988 Medicare Part D claims in 2023.
- 0/100
- MIPS score · -83 vs avg
- 988
- Part D claims, 2023
- 89%
- generic prescribing
- Likely
- board-certified (heuristic)
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.
Nadiv Samimi, M.D.'s MIPS score vs every measured U.S. clinician
CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure. Clinicians whose score CMS assigned without scoring any category are excluded.
0 ≥ 0th percentile 0% of 454,083 measured providers are in lower value bands
Each bar is a band; taller bars hold more measured providers. 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 whole-score-point band: it counts only measured clinicians in lower score bands. A CMS MIPS metric is not a recommendation or a clinical-quality rating by PlainDoctor. See methodology § corpus placement.
Source CMS Merit-based Incentive Payment System (MIPS) · 2023
Where Nadiv Samimi, M.D. sits
This provider among anesthesiology physician peers
Across the 1,484 anesthesiology physician providers who report both Medicare Part D prescribing and a MIPS quality score, Nadiv Samimi, M.D. writes more Part D claims than 66% of them and scores higher on MIPS quality than 0% - placing this provider in the high-volume, lower-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.
Each dot is one anesthesiology physician peer from a representative sample of 60; the gold marker is Nadiv Samimi, M.D.. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.
✓
Board certification likely (heuristic, not verified)
Nadiv Samimi, M.D. practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting - signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about Nadiv Samimi, M.D.?
Below national averagePrimary specialty
Anesthesiology Physician
Medicare Part D claims
988 15% vs specialty avg
MIPS final score
0/100 83.5 pts vs avg
Specialty distribution in California
How Anesthesiology Physician compares to other specialties among California providers
Medicare quality performance, MIPS
Nadiv Samimi, M.D.'s 2023 MIPS final score plotted against the Anesthesiology Physician national average
- MIPS Final Score
- 0/100
- vs 83.5 national avg · 2023 performance year
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).
Nadiv Samimi, M.D. appears in the CMS NPPES registry as an Anesthesiology Physician provider holding M.D. credentials at 1964 WESTWOOD BLVD, Los Angeles, CA, 90025, with a listed phone of (310) 856-9488. NPI 1730316548 was issued on 06/18/2009.
Medicare Part D records for calendar year 2023 show 988 prescription claims written by this provider, covering 170 Medicare beneficiaries and totaling roughly $136K in drug spend, split 11% brand-name and 89% generic by claim count, with an opioid prescribing rate of 31.8%. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 0/100 for the 2023 performance year (Quality 0), compared with the 83.5 average among clinicians with a measured score.
Anesthesiology Physician is a high-volume specialty nationwide, with 56,432 enrolled providers across 56 states and an average of 860 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 | 1730316548 |
|---|---|
| Specialty | Anesthesiology Physician |
| Credentials | M.D. |
| Gender | Male |
| NPI Issued | 06/18/2009 |
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
0
Final Score
Measured-score avg: 83.5
0
Quality
Reporting: Individual
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 Nadiv Samimi, M.D.. Source: openpaymentsdata.cms.gov.
Total received
$397
Largest payer
SPR Therapeutics, 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 Nadiv Samimi, M.D.. To verify Nadiv Samimi, M.D.'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 · Typical
Nadiv Samimi, M.D. - brand share 11.0%
Anesthesiology Physician average
11% brand-name claims vs 89% generic, on 988 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.
988
Total Claims
$136K
Total Drug Cost
170
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 1,228
- Total Day Supply
- 34,050
- Brand vs Generic
- 11% brand / 89% generic
- Brand Drug Cost
- $94K
- Generic Drug Cost
- $43K
- Opioid Claims
- 314 (31.8% rate)
Patient Demographics
- Average Patient Age
- 72.0 years
- Avg HCC Risk Score
- 1.41
- Gender Split
- 67% female / 33% male
- Age Distribution
- <65: 24, 65-74: 77, 75-84: 55, 85+: 14
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Nadiv Samimi, M.D. prescribes most
Top Medicare Part D drugs by claim count, 2023
- Tramadol Hcl
Tramadol Hcl
138 claims
- Tizanidine Hcl
Tizanidine Hcl
80 claims
- Celecoxib
Celecoxib
77 claims
- Gabapentin
Gabapentin
70 claims
- Pregabalin 50
Pregabalin
50 claims
- Belbuca 45
Belbuca
45 claims
- Hydrocodone-Acetam… 40
Hydrocodone-Acetaminophen
40 claims
- Quetiapine Fumarate 30
Quetiapine Fumarate
30 claims
| Drug | Claims |
|---|---|
| Tramadol Hcl | 138 |
| Tizanidine Hcl | 80 |
| Celecoxib | 77 |
| Gabapentin | 70 |
| Pregabalin | 50 |
| Belbuca Buprenorphine Hcl | 45 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 40 |
| Quetiapine Fumarate | 30 |
| Cyclobenzaprine Hcl | 25 |
| Duloxetine Hcl | 21 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Anesthesiology Physician Overview
How Nadiv Samimi, M.D. fits within the Anesthesiology Physician landscape nationally.
56,432
Anesthesiology Physician Providers in US
56
States with Anesthesiology Physician
860
Avg Claims per Provider
Nadiv Samimi, M.D.'s 988 claims are above the specialty average of 860.
Nearby Anesthesiology Physician Providers in California
Other clinicians with the same primary specialty enrolled in California, drawn from the same CMS NPPES roster as Samimi.
Dr. Alison A'Court
MD
San Diego, CA
Dr. Peter Abaci
MD
Los Gatos, CA
Dr. Elma Abad-Pelsang
MD
Del Mar, CA
Dr. Rolando Abada
M.D.
San Diego, CA
Dr. Maher Abadir
MD
Turlock, CA
Compare Anesthesiology Physician 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 Anesthesiology Physician 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 Nadiv Samimi, M.D.'s specialty? ▼
Nadiv Samimi, M.D. specializes in Anesthesiology Physician and practices in Los Angeles, California. Credentials: M.D..
How much does Nadiv Samimi, M.D. prescribe under Medicare Part D? ▼
In 2023, Nadiv Samimi, M.D. wrote 988 Medicare Part D claims totaling $136K in drug costs for 170 beneficiaries.
What is Nadiv Samimi, M.D.'s Medicare quality score? ▼
Nadiv Samimi, M.D. has a CMS MIPS Final Score of 0/100 (Quality: 0). The average MIPS Final Score across the 454,083 clinicians with at least one published category score is 83.5; clinicians whose score CMS assigned without scoring any category are excluded from that average. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is Nadiv Samimi, M.D. located? ▼
Nadiv Samimi, M.D. is located at 1964 WESTWOOD BLVD, Los Angeles, CA, 90025. Phone: (310) 856-9488.
What is Nadiv Samimi, M.D.'s NPI number? ▼
Nadiv Samimi, M.D.'s National Provider Identifier (NPI) is 1730316548, issued on 06/18/2009.
Does Nadiv Samimi, M.D. prescribe more brand-name or generic drugs? ▼
Nadiv Samimi, M.D.'s prescribing is 11% brand-name and 89% generic drugs by claim count, with $94K in brand drug costs.
Does Nadiv Samimi, M.D. prescribe opioids? ▼
Yes, Nadiv Samimi, M.D. had 314 opioid claims in 2023 with an opioid prescribing rate of 31.8%.
How many Anesthesiology Physician providers are there in the US? ▼
There are 56,432 Anesthesiology Physician providers across 56 states in the US. The average Anesthesiology Physician provider writes 860 Medicare Part D claims per year.
What drugs does Nadiv Samimi, M.D. prescribe most often? ▼
Based on 2023 Medicare Part D data, Nadiv Samimi, M.D.'s most frequently prescribed drugs include Tramadol Hcl, Tizanidine Hcl, Celecoxib. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Nadiv Samimi, M.D. accept Medicare? ▼
Nadiv Samimi, M.D. appears in CMS Medicare data with 988 Part D claims and 170 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Nadiv Samimi, M.D.'s credentials? ▼
Nadiv Samimi, M.D.'s NPI is 1730316548 with credentials M.D.. 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.
- Quality Performance
- CMS Merit-based Incentive Payment System (MIPS) - 2023 performance year.
- 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
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.