Gregory C. Downing, MD
Diagnostic Radiology Physician · El Paso, TX
Gregory C. Downing, MD is a diagnostic radiology physician with a practice address in El Paso, Texas, and NPI 1477505998, issued on May 16, 2006. Check the license (Texas L8672, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregory C. Downing
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- L8672 TX
G87477 CA
ME95377 FL
01055583A IN
39912 KY
and 2 more
Self-reported in NPPES; status is on the state search - Practice location
- 122 W Castellano Dr, El Paso, TX 79912
- Phone
- (915) 577-0100
- Enumerated
- May 16, 2006
- Record last updated
- Jan 17, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (915) 532-3876
- Medicaid IDs
- 868160100 MN
204849418 MO - Medicare enrollment
- Enrolled (PECOS I20061004000253); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 1979
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 3,124 in Texas → Look up another NPI →
Also registered at 122 W Castellano Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bruce Foreman, M.D.Diagnostic Radiology Physician1740389659
Verify Gregory C. Downing in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L8672Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024
13 Medicare Part D claims, against an average of 51 among the 2,711 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): 83.1 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).
Bills Medicare through one group practice
- Singleton Associates PACape Coral, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory C. Downing among 3,124 diagnostic radiology physician records in Texas
Gregory C. Downing, MD is one of 3,124 diagnostic radiology physician records with a practice address in Texas. 77% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 49% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1979 · median 2003 among the 2,277 with a school on file
- Record last updated2014 · 61% 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 Texas 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 Texas
There are 3,124 diagnostic radiology physician records in Texas.
All 3,124 in Texas → Every provider in El Paso → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Carmen Arango, MDEl Paso, TX 799121588605885
- Bruce Foreman, M.D.El Paso, TX 799121740389659
- Alex Lobera, MDEl Paso, TX 799121881674810
- Joseph Ungar, MDEl Paso, TX 799121669645065
- Douglas Woo, MDEl Paso, TX 799121083606636
- Raul Loya, M.D.El Paso, TX 799111821400789
- Nathan Chandler, M.D., M.B.A.Fort Bliss, TX 799061144211244
- Matthew McClenathan, MDFort Bliss, TX 799061184180341
Common questions
What is Gregory C. Downing, MD's NPI number?
Gregory C. Downing, MD's National Provider Identifier (NPI) is 1477505998, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory C. Downing, MD located?
The NPPES record lists a practice address at 122 W Castellano Dr, El Paso, TX, 79912. Phone: (915) 577-0100. Providers update this record themselves, so call before visiting.
How can I verify Gregory C. Downing, MD's license?
NPPES lists Texas license number L8672, 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 Gregory C. Downing, MD prescribe under Medicare Part D?
In 2024, Gregory C. Downing, MD had 13 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. Part D covers Medicare prescriptions only.
What is Gregory C. Downing, MD's MIPS final score?
The 2023 MIPS final score is 83.1 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.