Derrick Ross Allen, MD
Diagnostic Radiology Physician · San Diego, CA
Derrick Ross Allen, MD is a diagnostic radiology physician with a practice address in San Diego, California, and NPI 1215982970, issued on May 23, 2006. Check the license (California A69840, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Derrick Ross Allen
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- A69840 CA
Self-reported in NPPES; status is on the state search - Practice location
- 501 Washington St, San Diego, CA 92103
- Phone
- (619) 849-1729
- Enumerated
- May 23, 2006
- Record last updated
- Apr 12, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00A698400 CA
- Medicare enrollment
- Enrolled (PECOS I20050720001207); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 501 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Derrick Ross Allen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A69840Check 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 practice group's MIPS final score for 2023 (Medicare payment program): 100 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).
Industry payments in 2024: $708.74
46 payments; by number, the most common kind was food and beverage; the largest payer was Inari Medical, Inc. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Ihs Radiology Medical Group IncPoway, CA
- Paradise Valley Medical Group IncNational City, CA
- Scripps Health Inpatient Providers Medical Group IncSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Derrick Ross Allen among 4,500 diagnostic radiology physician records in California
Derrick Ross Allen, 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1998 · median 2004 among the 3,130 with a school on file
- Record last updated2021 · 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 San Diego → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Lejla Aganovic, MDSan Diego, CA 921031003807652
- Gilbert Boswell, M.D.San Diego, CA 921031730150392
- Kira Chow, M.DSan Diego, CA 921031538118310
- Christine Chung, MDSan Diego, CA 921031528033560
- Rosalind Dietrich, MDSan Diego, CA 921031710944426
- David Einstein, MDSan Diego, CA 921031568426211
- Jay Federhart, MDSan Diego, CA 921031568422558
- Tudor Hughes, M.D.San Diego, CA 921031932187127
Common questions
What is Derrick Ross Allen, MD's NPI number?
Derrick Ross Allen, MD's National Provider Identifier (NPI) is 1215982970, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Derrick Ross Allen, MD located?
The NPPES record lists a practice address at 501 Washington St, San Diego, CA, 92103. Phone: (619) 849-1729. Providers update this record themselves, so call before visiting.
How can I verify Derrick Ross Allen, MD's license?
NPPES lists California license number A69840, 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.
What is Derrick Ross Allen, MD's MIPS final score?
The 2023 MIPS final score is 100 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.