Glenn R. Slocum, M.D.
Diagnostic Radiology Physician · Irvine, CA
Glenn R. Slocum, M.D. is a diagnostic radiology physician with a practice address in Irvine, California, and NPI 1588614564, issued on May 11, 2006. Check the license (California G74578, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Glenn R. Slocum
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- G74578 CA
45137 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 74 Harvey CT, Irvine, CA 92617
- Phone
- (949) 725-6437
- Enumerated
- May 11, 2006
- Record last updated
- Apr 22, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 00G745780 CA
- Medicare enrollment
- Enrolled (PECOS I20040824001330); accepts Medicare assignment
- Medical or professional school
- Geisel School Of Medicine At Dartmouth, 1990
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Verify Glenn R. Slocum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G74578Check 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 for 11 beneficiaries, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Prednisone12 claims
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): 87.9 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
- Palm Desert Radiology Medical Group IncRancho Mirage, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Glenn R. Slocum among 4,500 diagnostic radiology physician records in California
Glenn R. Slocum, M.D. 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
- Graduated1990 · median 2004 among the 3,130 with a school on file
- Record last updated2015 · 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 Irvine → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Hiren Dave, MDIrvine, CA 926181316193915
- Bennett Gray, MDIrvine, CA 926181376637132
- Hossein Mehdikhani Karimabad, M.D.Irvine, CA 926181083026041
- Judy Owens, M.D.Irvine, CA 926181366674962
- Piers Pravdo, D.OIrvine, CA 926181902260441
- Dina Ragheb, M.D.Irvine, CA 926181245201680
- Jason Salsamendi, M.D.Irvine, CA 926181497999148
- Richard Taketa, M.D.Irvine, CA 926181639113269
Common questions
What is Glenn R. Slocum, M.D.'s NPI number?
Glenn R. Slocum, M.D.'s National Provider Identifier (NPI) is 1588614564, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Glenn R. Slocum, M.D. located?
The NPPES record lists a practice address at 74 Harvey CT, Irvine, CA, 92617. Phone: (949) 725-6437. Providers update this record themselves, so call before visiting.
How can I verify Glenn R. Slocum, M.D.'s license?
NPPES lists California license number G74578, 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 Glenn R. Slocum, M.D. prescribe under Medicare Part D?
In 2024, Glenn R. Slocum, M.D. had 13 Medicare Part D claims for 11 beneficiaries; the average among diagnostic radiology physician prescribers was 51. Part D covers Medicare prescriptions only.
What is Glenn R. Slocum, M.D.'s MIPS final score?
The 2023 MIPS final score is 87.9 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.