Gregory Lassiter, MD
NPI 1912984758 · Diagnostic Radiology Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Lassiter, MD is a Diagnostic Radiology Physician provider in Nashville, TN (NPI 1912984758).
Provider details
- NPI number
- 1912984758
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 34243 (TN)
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,944 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) |
|---|---|---|
| Ct Scan of Chest With Contrast71260 | 662 | $51 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 564 | $102 |
| Ct Scan Head Or Brain Without Contrast70450 | 496 | $36 |
| Nuclear Medicine Study From Skull Base to Mid-Thigh With Ct Scan78815 | 283 | $701 |
| Ct Scan of Chest Without Contrast71250 | 170 | $46 |
| Mri Scan of Brain Before and After Contrast70553 | 161 | $118 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$28 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
Additional practice locations (4)
- 4488 Carothers Pkwy Ste 110Franklin, TN 37067-6584Phone: (615) 721-0935
- 103 Physicians Way Ste 100Lebanon, TN 37090-4129Phone: (615) 443-7436
- 52 White Bridge PikeNashville, TN 37205-1411Phone: (615) 354-1255
- 2018 Murphy Ave Ste 200Nashville, TN 37203-1929Phone: (615) 320-7387
Registry dates
- Enumerated
- 2005-12-22
- Last updated
- 2021-03-03
- Certified
- 2021-03-03
Frequently asked questions
- What is Gregory Lassiter's NPI number?
- Gregory Lassiter's National Provider Identifier (NPI) is 1912984758, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Lassiter's specialty?
- Gregory Lassiter is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Lassiter located?
- Gregory Lassiter's practice location on file with NPPES is 210 25th Ave N Ste 1204, Nashville, TN 37203-1620.
- What is Gregory Lassiter's phone number?
- The practice phone number listed in the NPPES registry for Gregory Lassiter is (615) 312-0600.
- Does Gregory Lassiter accept Medicare?
- Gregory Lassiter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Lassiter's NPI active?
- Yes — Gregory Lassiter's NPI (1912984758) is active in the NPPES registry as of the last update on 2021-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.