Landis Griffeth, PHD MD
NPI 1861446635 · Nuclear Medicine Physician · Dallas, TX
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Landis Griffeth, PHD MD is a Nuclear Medicine Physician provider in Dallas, TX (NPI 1861446635).
Provider details
- NPI number
- 1861446635
- Entity type
- Individual
- Primary specialty
- Nuclear Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- PHD MD
- Sex
- Male
- Sole proprietor
- No
- License
- J3486 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-19
- Last updated
- 2012-02-15
Frequently asked questions
- What is Landis Griffeth's NPI number?
- Landis Griffeth's National Provider Identifier (NPI) is 1861446635, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Landis Griffeth's specialty?
- Landis Griffeth is listed in the NPPES registry with a primary specialty of Nuclear Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Landis Griffeth located?
- Landis Griffeth's practice location on file with NPPES is 3500 Gaston Avenue, Dallas, TX 75246.
- What is Landis Griffeth's phone number?
- The practice phone number listed in the NPPES registry for Landis Griffeth is (214) 826-8822.
- Does Landis Griffeth accept Medicare?
- Landis Griffeth is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Landis Griffeth's NPI active?
- Yes — Landis Griffeth's NPI (1861446635) is active in the NPPES registry as of the last update on 2012-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.