Timothy Larson, M.D.
NPI 1326130204 · Hematology & Oncology Physician · Minneapolis, MN
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Larson, M.D. is a Hematology & Oncology Physician provider in Minneapolis, MN (NPI 1326130204).
Provider details
- NPI number
- 1326130204
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 38013 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
335 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 92 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 59 | $142 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 56 | $96 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 44 | $8 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 32 | $8 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dexamethasone | 28 | 12 |
| Ondansetron Hcl | 23 | 12 |
| Olanzapine | 16 | — |
| Lorazepam | 16 | — |
| Tamoxifen Citrate | 15 | — |
| Ibrutinibbrand: Imbruvica | 14 | — |
| Letrozole | 14 | — |
| Prochlorperazine Maleate | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$223 across 2 records (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
- 2006-09-29
- Last updated
- 2011-10-27
Frequently asked questions
- What is Timothy Larson's NPI number?
- Timothy Larson's National Provider Identifier (NPI) is 1326130204, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Larson's specialty?
- Timothy Larson is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Larson located?
- Timothy Larson's practice location on file with NPPES is 910 E 26th St, Minneapolis, MN 55404-4526.
- What is Timothy Larson's phone number?
- The practice phone number listed in the NPPES registry for Timothy Larson is (612) 884-6300.
- Does Timothy Larson accept Medicare?
- Timothy Larson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Larson's NPI active?
- Yes — Timothy Larson's NPI (1326130204) is active in the NPPES registry as of the last update on 2011-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.