W Leroy Griffing, M.D.
Rheumatology Physician · Scottsdale, AZ
W Leroy Griffing, M.D. is a rheumatology physician with a practice address in Scottsdale, Arizona, and NPI 1437133972, issued on Nov 29, 2005. Check the license (Arizona 17892, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- W Leroy Griffing
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 17892 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 13400 E Shea Blvd, Scottsdale, AZ 85259
- Phone
- (480) 301-8000
- Enumerated
- Nov 29, 2005
- Record last updated
- Oct 31, 2023
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 117 in Arizona → Look up another NPI →
Also registered at 13400 E Shea Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rawad Abbas, MDNeurological Surgery Physician1255028825
- Abdelmohaymin Abdalla, MDPulmonary Disease Physician1871081505
- Hesham Mubarak Abdalla, M.B.B.S.Internal Medicine Physician1013696111
- Mahmoud Abdelnabi, MDCardiovascular Disease Physician1548934714
- Haidar Abdul-Muhsin, M.B.CH.B.Urology Physician1356755250
- Ali Abdulsahib, MDInfectious Disease Physician1417535030
Verify W Leroy Griffing in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 17892Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average rheumatology physician in 2024
34 Medicare Part D claims for 19 beneficiaries, against an average of 1,978 among the 6,301 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): 78.6 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).
W Leroy Griffing among 117 rheumatology physician records in Arizona
W Leroy Griffing, M.D. is one of 117 rheumatology physician records with a practice address in Arizona. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2023 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Arizona
There are 117 rheumatology physician records in Arizona.
All 117 in Arizona → Every provider in Scottsdale → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Fawad Aslam, MBBSScottsdale, AZ 852591669636114
- Maximiliano Diaz Menindez, MDScottsdale, AZ 852591043913270
- Nouran Eshak, MDScottsdale, AZ 852591073175022
- Catherine Harmon, M.D.Scottsdale, AZ 852591528041241
- Lester Mertz, M.D.Scottsdale, AZ 852591083696751
- Vivek Nagaraja, M.DScottsdale, AZ 852591750684262
- Michael Pham, MDScottsdale, AZ 852591023453479
- Megan Sullivan, M.D.Scottsdale, AZ 852591841726759
Common questions
What is W Leroy Griffing, M.D.'s NPI number?
W Leroy Griffing, M.D.'s National Provider Identifier (NPI) is 1437133972, issued on Nov 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is W Leroy Griffing, M.D. located?
The NPPES record lists a practice address at 13400 E Shea Blvd, Scottsdale, AZ, 85259. Phone: (480) 301-8000. Providers update this record themselves, so call before visiting.
How can I verify W Leroy Griffing, M.D.'s license?
NPPES lists Arizona license number 17892, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does W Leroy Griffing, M.D. prescribe under Medicare Part D?
In 2024, W Leroy Griffing, M.D. had 34 Medicare Part D claims for 19 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is W Leroy Griffing, M.D.'s MIPS final score?
The 2023 MIPS final score is 78.6 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.