Thomas Sigurd Griggs, MD
Diagnostic Radiology Physician · Oklahoma City, OK
Thomas Sigurd Griggs, MD is a diagnostic radiology physician with a practice address in Oklahoma City, Oklahoma, and NPI 1891743373, issued on May 5, 2006. Check the license (Oklahoma 19576, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Thomas Sigurd Griggs
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 19576 OK
Self-reported in NPPES; status is on the state search - Practice location
- 3600 NW 138TH St, Oklahoma City, OK 73134
- Phone
- (405) 286-4114
- Enumerated
- May 5, 2006
- Record last updated
- Nov 4, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (405) 463-0154
- Medicaid ID
- 100131330A OK
- Medicare enrollment
- Enrolled (PECOS I20121207000344); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 404 in Oklahoma → Look up another NPI →
Also registered at 3600 NW 138TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Byron Christie, MDDiagnostic Radiology Physician1760434955
- Nathan Elfrink, MDDiagnostic Radiology Physician1447390554
- Mark Whitley, M.D.Diagnostic Radiology Physician1700840055
Verify Thomas Sigurd Griggs in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 19576Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 91.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 10 group practices
- Eagle Partners PLLCOklahoma City, OK
- North Star CN LPEdmond, OK
- North Star Diagnostic Imaging LLCEdmond, OK
- North Star FM LPFlower Mound, TX
- North Star FP LPEdmond, OK
- North Star Mcd LLCPlano, TX
- North Star Mri LPEdmond, OK
- North Star Mri OF Frisco LPEdmond, OK
- North Star Npt LPEdmond, OK
- Singleton Associates PACrockett, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Sigurd Griggs among 404 diagnostic radiology physician records in Oklahoma
Thomas Sigurd Griggs, MD is one of 404 diagnostic radiology physician records with a practice address in Oklahoma. 71% 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 23% of them.
- NPI issued2006 · 23% of these records are older, 49% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1995 · median 2004 among the 254 with a school on file
- Record last updated2014 · 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 2085R0202X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Oklahoma
There are 404 diagnostic radiology physician records in Oklahoma.
All 404 in Oklahoma → Every provider in Oklahoma City → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Byron Christie, MDOklahoma City, OK 731341760434955
- Charles Eckman, M.D.Oklahoma City, OK 731341003817743
- Nathan Elfrink, MDOklahoma City, OK 731341447390554
- Mark Whitley, M.D.Oklahoma City, OK 731341700840055
- Joseph Andrezik, MDOklahoma City, OK 731351447216080
- Oscar Falcon, MDOklahoma City, OK 731351184684003
- Mark Olbert, MDOklahoma City, OK 731351457311474
- Michael Murphy, M.D.Oklahoma City, OK 731311215257225
Common questions
What is Thomas Sigurd Griggs, MD's NPI number?
Thomas Sigurd Griggs, MD's National Provider Identifier (NPI) is 1891743373, issued on May 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Sigurd Griggs, MD located?
The NPPES record lists a practice address at 3600 NW 138TH St, Oklahoma City, OK, 73134. Phone: (405) 286-4114. Providers update this record themselves, so call before visiting.
How can I verify Thomas Sigurd Griggs, MD's license?
NPPES lists Oklahoma license number 19576, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Thomas Sigurd Griggs, MD's MIPS final score?
The 2023 MIPS final score is 91.2 of 100. 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.