Robert A. Kolanz, MD
Diagnostic Radiology Physician · Torrance, CA
Robert A. Kolanz, MD is a diagnostic radiology physician with a practice address in Torrance, California, and NPI 1447232822, issued on Nov 19, 2005. Check the license (California G55707, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert A. Kolanz
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- G55707 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4101 Torrance Blvd, Torrance, CA 90503
- Phone
- (310) 303-5750
- Enumerated
- Nov 19, 2005
- Record last updated
- Apr 25, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 00G557070 CA
- Medicare enrollment
- Enrolled (PECOS I20040930001170); accepts Medicare assignment
- Medical or professional school
- University Of Louisville School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 4101 Torrance Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Henry Amberg, M.D.Anesthesiology Physician1336167048
- Anne Arafat, PHARM. D.Geriatric Pharmacist1730304452
Verify Robert A. Kolanz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G55707Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024
22 Medicare Part D claims, 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.
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.
Bills Medicare through one group practice
- Tower Imaging Medical Associates IncManhattan Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert A. Kolanz among 4,500 diagnostic radiology physician records in California
Robert A. Kolanz, 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 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
- Graduated1984 · median 2004 among the 3,130 with a school on file
- Record last updated2013 · 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 Torrance → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Adah Duncan, MDTorrance, CA 905031609858422
- Marsha Guerrein, MDTorrance, CA 905031093790206
- Glenn Huettner, MDTorrance, CA 905031114900693
- John Jordan, MDTorrance, CA 905031720060791
- Shelby Lundahl, M.D.Torrance, CA 905031669874467
- Robert Marcus, MDTorrance, CA 905031700856341
- Hannah Nien, M.D.Torrance, CA 905031417183203
- Lucas Nishioka, MDTorrance, CA 905031467434001
Common questions
What is Robert A. Kolanz, MD's NPI number?
Robert A. Kolanz, MD's National Provider Identifier (NPI) is 1447232822, issued on Nov 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert A. Kolanz, MD located?
The NPPES record lists a practice address at 4101 Torrance Blvd, Torrance, CA, 90503. Phone: (310) 303-5750. Providers update this record themselves, so call before visiting.
How can I verify Robert A. Kolanz, MD's license?
NPPES lists California license number G55707, 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 Robert A. Kolanz, MD prescribe under Medicare Part D?
In 2024, Robert A. Kolanz, MD had 22 Medicare Part D claims; 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.