Lance Lassiter, MD
NPI 1639120793 · Hematology & Oncology Physician · Montrose, CO
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lance Lassiter, MD is a Hematology & Oncology Physician provider in Montrose, CO (NPI 1639120793).
Provider details
- NPI number
- 1639120793
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 200401251 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,465 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 673 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 630 | $91 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 96 | $135 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 28 | $169 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 27 | $124 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 434 | 139 |
| Tamoxifen Citrate | 87 | 32 |
| Acalabrutinib Maleatebrand: Calquence | 85 | — |
| Lenalidomidebrand: Revlimid | 83 | — |
| Potassium Chloride | 78 | 31 |
| Hydroxyurea | 70 | 20 |
| Valacyclovir Hclbrand: Valacyclovir | 56 | 15 |
| Gabapentin |
Practice location
Mailing address
Additional practice locations (1)
- 1700 Matthews Township PkwyMatthews, NC 28105-4658Phone: (704) 841-8151Fax: (704) 841-9228
Registry dates
- Enumerated
- 2006-05-13
- Last updated
- 2025-05-08
- Certified
- 2025-05-08
Frequently asked questions
- What is Lance Lassiter's NPI number?
- Lance Lassiter's National Provider Identifier (NPI) is 1639120793, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lance Lassiter's specialty?
- Lance Lassiter is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Lance Lassiter located?
- Lance Lassiter's practice location on file with NPPES is 816 S 5th St, Montrose, CO 81401-5765.
- What is Lance Lassiter's phone number?
- The practice phone number listed in the NPPES registry for Lance Lassiter is (970) 497-8001.
- Does Lance Lassiter accept Medicare?
- Lance Lassiter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lance Lassiter's NPI active?
- Yes — Lance Lassiter's NPI (1639120793) is active in the NPPES registry as of the last update on 2025-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.