Ahrin Koppel, MD
NPI 1144433541 · Hematology & Oncology Physician · Truckee, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ahrin Koppel, MD is a Hematology & Oncology Physician provider in Truckee, CA (NPI 1144433541).
Provider details
- NPI number
- 1144433541
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A96722 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 103 | 25 |
| Acyclovir | 63 | 11 |
| Famotidine | 53 | 19 |
| Prednisone | 41 | — |
| Olanzapine | 33 | 15 |
| Tamoxifen Citrate | 31 | — |
| Ondansetron Hcl | 31 | 23 |
| Dexamethasone | 29 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$120 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-08
- Last updated
- 2023-05-08
- Certified
- 2023-05-08
Frequently asked questions
- What is Ahrin Koppel's NPI number?
- Ahrin Koppel's National Provider Identifier (NPI) is 1144433541, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ahrin Koppel's specialty?
- Ahrin Koppel is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Ahrin Koppel located?
- Ahrin Koppel's practice location on file with NPPES is 10121 Pine Ave, Truckee, CA 96161-4835.
- What is Ahrin Koppel's phone number?
- The practice phone number listed in the NPPES registry for Ahrin Koppel is (530) 582-6450.
- Does Ahrin Koppel accept Medicare?
- Ahrin Koppel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ahrin Koppel's NPI active?
- Yes — Ahrin Koppel's NPI (1144433541) is active in the NPPES registry as of the last update on 2023-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.