NPPES file of Aug 9, 2026

John Gregory Dalle, D.O.

Diagnostic Radiology Physician · Corona, CA

John Gregory Dalle, D.O. is a diagnostic radiology physician with a practice address in Corona, California, and NPI 1780684639, issued on Jul 21, 2005. Check the license (California 20A8441, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780684639
Name
John Gregory Dalle
Credential
D.O.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
20A8441 CA
54676 MN
Self-reported in NPPES; status is on the state search
Practice location
801 S Main St Ste 101&205, Corona, CA 92882
Phone
(951) 238-6071
Enumerated
Jul 21, 2005
Record last updated
May 22, 2024
Fax
(951) 351-1025
Medicaid ID
00AX84410 CA
Medicare enrollment
Enrolled (PECOS I20040315001251); accepts Medicare assignment
Medical or professional school
Midwestern University, Chicago College Of Osteopathic Med, 1996
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify John Gregory Dalle in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A8441
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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The practice group's MIPS final score for 2023 (Medicare payment program): 92.6 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.

  1. Qualityout of 100 · 30% of the final score75.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Beverly Radiology Medical Group IIIGlendale, CA
  2. Desert Advanced Imaging Medical CenterLa Quinta, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John Gregory Dalle among 4,500 diagnostic radiology physician records in California

John Gregory Dalle, D.O. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 93% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1996 · median 2004 among the 3,130 with a school on file
  • 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.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Joseph Willis, M.D.Yorba Linda, CA 928871710947841
  2. Vananh Nguyen, MDPlacentia, CA 928701447376785
  3. Vadim Chudnovsky, M.D.Orange, CA 928691922049394
  4. Yousra AbueleneenOrange, CA 928681265220172
  5. Michelle BardisOrange, CA 928681730767781
  6. Michelle Bondero, MDOrange, CA 928681013598705
  7. Julie Ferris, MDOrange, CA 928681770162349
  8. Joshua Harris, MDOrange, CA 928681043890676

Common questions

What is John Gregory Dalle, D.O.'s NPI number?

John Gregory Dalle, D.O.'s National Provider Identifier (NPI) is 1780684639, issued on Jul 21, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John Gregory Dalle, D.O. located?

The NPPES record lists a practice address at 801 S Main St Ste 101&205, Corona, CA, 92882. Phone: (951) 238-6071. Providers update this record themselves, so call before visiting.

How can I verify John Gregory Dalle, D.O.'s license?

NPPES lists California license number 20A8441, 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 John Gregory Dalle, D.O.'s MIPS final score?

The 2023 MIPS final score is 92.6 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.