Donald Dennis, MD
Diagnostic Radiology Physician · Colton, CA
Donald Dennis, MD is a diagnostic radiology physician with a practice address in Colton, California, and NPI 1205539244, issued on Mar 27, 2023. Check the license (California A198428, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Donald Dennis
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- A198428 CA
L.5949 AL
Self-reported in NPPES; status is on the state search - Practice location
- 400 N Pepper Ave, Colton, CA 92324
- Phone
- (909) 580-1000
- Enumerated
- Mar 27, 2023
- Record last updated
- Aug 31, 2024
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 400 N Pepper Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shangrila AbaricoRegistered Nurse1609659325
- Susana AbaroRegistered Nurse1114425162
- Patricia AbbaRegistered Nurse1013188838
- Mohammad Hossein Abbasi, MD, MPHStudent in an Organized Health Care Education/Training Program1609622166
- Ala AbedrabboCertified Registered Nurse Anesthetist1972333144
- Mary AboagyeLicensed Vocational Nurse1982875605
Verify Donald Dennis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A198428Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024
45 Medicare Part D claims for 19 beneficiaries, 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.
Donald Dennis among 4,500 diagnostic radiology physician records in California
Donald Dennis, MD is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 99% of them.
- NPI issued2023 · 99% of these records are older, under 1% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2024 · 60% 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 California 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 California
There are 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in Colton → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Chul Chae, M.D.Colton, CA 923241225133465
- Thuan Dang, M.D.Colton, CA 923241336244508
- Michael Gentry, MDColton, CA 923241013196575
- Tung Huynh, M.D.Colton, CA 923241356446470
- James Kim, M.D.Colton, CA 923241427370444
- Ha Le, M.D.Colton, CA 923241487751897
- Andrew Lopez, RRAColton, CA 923241619602950
- Frederick Orr, M.D.Colton, CA 923241295830321
Common questions
What is Donald Dennis, MD's NPI number?
Donald Dennis, MD's National Provider Identifier (NPI) is 1205539244, issued on Mar 27, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Donald Dennis, MD located?
The NPPES record lists a practice address at 400 N Pepper Ave, Colton, CA, 92324. Phone: (909) 580-1000. Providers update this record themselves, so call before visiting.
How can I verify Donald Dennis, MD's license?
NPPES lists California license number A198428, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Donald Dennis, MD prescribe under Medicare Part D?
In 2024, Donald Dennis, MD had 45 Medicare Part D claims for 19 beneficiaries; the average among diagnostic radiology physician prescribers was 51. Part D covers Medicare prescriptions only.
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.