NPI registry status
Active
2026 NPPES data Critical Care Medicine (Internal Medicine) Physician NPI 1427437730
Verify on CMS → Tamana Ahmadi
Critical Care Medicine (Internal Medicine) Physician in Thousand Oaks, 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 6,631 in Critical Care Medicine (Internal Medicine) 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
149
Medicare Part D claims · 66 beneficiaries · Critical Care Medicine (Internal Medicine) Physician avg: 1K
MIPS score
73/100
▼ 10 pts below national avg 83.1 · Mid-tier
Compiled from official public sources by the PlainDoctor editorial team.
What the federal data shows
Tamana Ahmadi reported a CMS MIPS final score of 73/100 - below the 83.1 national average - and filed 149 Medicare Part D claims in 2023.
- 73/100
- MIPS score · -10 vs avg
- 149
- Part D claims, 2023
- 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.
Tamana Ahmadi's MIPS score vs every scored U.S. clinician
CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure
73 11th percentile higher than 11% of 477,587 scored providers
Each bar is a band; taller bars hold more scored 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.
Source CMS Merit-based Incentive Payment System (MIPS) · 2023
Where Tamana Ahmadi sits
This provider among critical care medicine (internal medicine) physician peers
Across the 1,643 critical care medicine (internal medicine) physician providers who report both Medicare Part D prescribing and a MIPS quality score, Tamana Ahmadi writes more Part D claims than 21% of them and scores higher on MIPS quality than 9% - placing this provider in the lower-volume, lower-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.
Part D claim volume vs MIPS quality, by specialty percentile
Each dot is one critical care medicine (internal medicine) physician peer from a representative sample of 60; the gold marker is Tamana Ahmadi. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.
✓
Board certification likely (heuristic, not verified)
Tamana Ahmadi practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting + 1 hospital affiliation - 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 Tamana Ahmadi?
Below national averagePrimary specialty
Critical Care Medicine (Internal Medicine) Physician
Medicare Part D claims
149 86% vs specialty avg
MIPS final score
73/100 10.1 pts vs avg
Specialty distribution in California
How Critical Care Medicine (Internal Medicine) Physician compares to other specialties among California providers
Medicare quality performance, MIPS
Tamana Ahmadi's 2023 MIPS final score plotted against the Critical Care Medicine (Internal Medicine) Physician national average
- MIPS Final Score
- 73/100
- vs 83.1 national avg · 2023 performance year
MIPS final score (Critical Care Medicine (Internal Medicine) Physician) - 73/100 vs national avg 83.1
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).
Tamana Ahmadi appears in the CMS NPPES registry as a Critical Care Medicine (Internal Medicine) Physician provider at 100 MOODY CT STE 200&110, Thousand Oaks, CA, 91360, with a listed phone of (805) 418-3500. NPI 1427437730 was issued on 05/20/2015.
Medicare Part D records for calendar year 2023 show 149 prescription claims written by this provider, covering 66 Medicare beneficiaries and totaling roughly $72K in drug spend. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 73/100 for the 2023 performance year (Quality 56.8, Cost 34.2), compared with the national average of 83.1.
Critical Care Medicine (Internal Medicine) Physician is a mid-sized specialty nationwide, with 6,631 enrolled providers across 53 states and an average of 1,069 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 | 1427437730 |
|---|---|
| Specialty | Critical Care Medicine (Internal Medicine) Physician |
| Gender | Female |
| NPI Issued | 05/20/2015 |
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
73.0431
Final Score
Avg: 83.1
56.7513
Quality
34.2258
Cost
83
Promoting Interoperability
Reporting: Group practice
Hospital and facility affiliations
Facilities where Tamana Ahmadi 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.
The Regents OF The University OF California
Thousand Oaks, CA
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
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 Tamana Ahmadi. To verify Tamana Ahmadi'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.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
149
Total Claims
$72K
Total Drug Cost
66
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 191
- Total Day Supply
- 4,728
- Generic Drug Cost
- $2K
- Antibiotic Claims
- 16
Patient Demographics
- Average Patient Age
- 74.9 years
- Avg HCC Risk Score
- 1.78
- Gender Split
- 62% female / 38% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Tamana Ahmadi prescribes most
Top Medicare Part D drugs by claim count, 2023
- Albuterol Sulfate …
Albuterol Sulfate Hfa
23 claims
- Montelukast Sodium
Montelukast Sodium
14 claims
- Fluticasone Propio…
Fluticasone Propionate
12 claims
- Nucala
Nucala
11 claims
| Drug | Claims |
|---|---|
| Albuterol Sulfate Hfa Albuterol Sulfate | 23 |
| Montelukast Sodium | 14 |
| Fluticasone Propionate | 12 |
| Nucala Mepolizumab | 11 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
More Critical Care Medicine (Internal Medicine) Physician in CA →
All providers in California →
Compare specialties →
Critical Care Medicine (Internal Medicine) Physician Overview
How Tamana Ahmadi fits within the Critical Care Medicine (Internal Medicine) Physician landscape nationally.
6,631
Critical Care Medicine (Internal Medicine) Physician Providers in US
53
States with Critical Care Medicine (Internal Medicine) Physician
1,069
Avg Claims per Provider
Tamana Ahmadi's 149 claims are below the specialty average of 1,069.
Nearby Critical Care Medicine (Internal Medicine) Physician Providers in California
Other clinicians with the same primary specialty enrolled in California, drawn from the same CMS NPPES roster as Ahmadi.
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 Critical Care Medicine (Internal Medicine) 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.
Healthcare Guides
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Medical Specialties Explained
Who treats what and how specialties differ
Understanding Medicare Claims Data
What prescribing data reveals about a provider
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How insurance networks affect your costs
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Virtual care options and coverage in 2026
Explore California
Frequently Asked Questions
What is Tamana Ahmadi's specialty? ▼
Tamana Ahmadi specializes in Critical Care Medicine (Internal Medicine) Physician and practices in Thousand Oaks, California.
How much does Tamana Ahmadi prescribe under Medicare Part D? ▼
In 2023, Tamana Ahmadi wrote 149 Medicare Part D claims totaling $72K in drug costs for 66 beneficiaries.
What is Tamana Ahmadi's Medicare quality score? ▼
Tamana Ahmadi has a CMS MIPS Final Score of 73/100 (Quality: 56.8, Cost: 34.2). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is Tamana Ahmadi located? ▼
Tamana Ahmadi is located at 100 MOODY CT STE 200&110, Thousand Oaks, CA, 91360. Phone: (805) 418-3500.
What is Tamana Ahmadi's NPI number? ▼
Tamana Ahmadi's National Provider Identifier (NPI) is 1427437730, issued on 05/20/2015.
How many Critical Care Medicine (Internal Medicine) Physician providers are there in the US? ▼
There are 6,631 Critical Care Medicine (Internal Medicine) Physician providers across 53 states in the US. The average Critical Care Medicine (Internal Medicine) Physician provider writes 1,069 Medicare Part D claims per year.
What drugs does Tamana Ahmadi prescribe most often? ▼
Based on 2023 Medicare Part D data, Tamana Ahmadi's most frequently prescribed drugs include Albuterol Sulfate Hfa, Montelukast Sodium, Fluticasone Propionate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Tamana Ahmadi accept Medicare? ▼
Tamana Ahmadi appears in CMS Medicare data with 149 Part D claims and 66 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Tamana Ahmadi's credentials? ▼
Tamana Ahmadi's NPI is 1427437730. 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
Compiled from official public sources by the PlainDoctor editorial team.