Landis K. Griffeth, PHD MD
Nuclear Medicine Physician · Dallas, TX
Landis K. Griffeth, PHD MD is a nuclear medicine physician with a practice address in Dallas, Texas, and NPI 1861446635, issued on May 19, 2006. Check the license (Texas J3486, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Landis K. Griffeth
- Credential
- PHD MD
- Primary taxonomy
- Nuclear Medicine Physician 207U00000X
- License number
- J3486 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3500 Gaston Avenue, Dallas, TX 75246
- Phone
- (214) 826-8822
- Enumerated
- May 19, 2006
- Record last updated
- Feb 15, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (214) 826-9792
- Medicaid IDs
- 139923023 TX
139923022 TX - Entity
- Type 1 · individual
8 nearest nuclear medicine physician records → All 51 in Texas → Look up another NPI →
Also registered at 3500 Gaston Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Landis K. Griffeth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J3486Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average nuclear medicine physician in 2024
48 Medicare Part D claims, against an average of 285 among the 75 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Landis K. Griffeth among 51 nuclear medicine physician records in Texas
Landis K. Griffeth, PHD MD is one of 51 nuclear medicine physician records with a practice address in Texas. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 51% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2012 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207U00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nuclear Medicine Physician providers in Texas
There are 51 nuclear medicine physician records in Texas.
All 51 in Texas → Every provider in Dallas → Nuclear Medicine Physician nationwide →
The 8 nuclear medicine physician records with the nearest ZIP codes
- Stanley Grossman, MDDallas, TX 752461750335527
- Martin Pomper, M.D., PH.DDallas, TX 752351598706780
- Moe Sadaghiani, MDDallas, TX 752351255867842
- Lilja Solnes, M.D.Dallas, TX 752351548309875
- Rosinda De La Pena, M.D.Dallas, TX 752161659472173
- Chiarra Thompson, M.D.Dallas, TX 752161699896407
- Satyanarayana Chekuri, M.D.Dallas, TX 753901801875083
- Won Kyu Choi, MDDallas, TX 753901790292563
Common questions
What is Landis K. Griffeth, PHD MD's NPI number?
Landis K. Griffeth, PHD MD's National Provider Identifier (NPI) is 1861446635, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Landis K. Griffeth, PHD MD located?
The NPPES record lists a practice address at 3500 Gaston Avenue, Dallas, TX, 75246. Phone: (214) 826-8822. Providers update this record themselves, so call before visiting.
How can I verify Landis K. Griffeth, PHD MD's license?
NPPES lists Texas license number J3486, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Landis K. Griffeth, PHD MD prescribe under Medicare Part D?
In 2024, Landis K. Griffeth, PHD MD had 48 Medicare Part D claims; the average among nuclear medicine physician prescribers was 285. Part D covers Medicare prescriptions only.
What is Landis K. Griffeth, PHD MD's MIPS final score?
The 2023 MIPS final score is 87.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.