Curtis Reiss Handler, M.D.
Diagnostic Radiology Physician · Rancho Cucamongo, CA
Curtis Reiss Handler, M.D. is a diagnostic radiology physician with a practice address in Rancho Cucamongo, California, and NPI 1649255290, issued on Dec 7, 2005. Check the license (California G34638, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Curtis Reiss Handler
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- G34638 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8599 Haven Ave., Rancho Cucamongo, CA 91730
- Phone
- (909) 620-8180
- Enumerated
- Dec 7, 2005
- Record last updated
- Mar 27, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (909) 919-7288
- Medicaid ID
- 00G346380 CA
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 8599 Haven Ave.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joel Block, MDDiagnostic Radiology Physician1225098189
Verify Curtis Reiss Handler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G34638Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Curtis Reiss Handler among 4,500 diagnostic radiology physician records in California
Curtis Reiss Handler, 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 not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileNo · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2012 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4,500 in California → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Joel Block, MDRancho Cucamongo, CA 917301225098189
- Alfonso Carrillo, M.D.Rancho Cucamonga, CA 917301316906894
- Steven Cobb, M.D.Rancho Cucamonga, CA 917301770542110
- Thomas Lin, M.D.Rancho Cucamonga, CA 917301861698151
- Van Khanh NguyenRancho Cucamonga, CA 917301902078942
- Sherman Rhee, M.D.Rancho Cucamonga, CA 917301568481042
- Fred Shu, MDRancho Cucamonga, CA 917301568435717
- Wilbur Sims, M.D.Rancho Cucamonga, CA 917301346228616
Common questions
What is Curtis Reiss Handler, M.D.'s NPI number?
Curtis Reiss Handler, M.D.'s National Provider Identifier (NPI) is 1649255290, issued on Dec 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Curtis Reiss Handler, M.D. located?
The NPPES record lists a practice address at 8599 Haven Ave., Rancho Cucamongo, CA, 91730. Phone: (909) 620-8180. Providers update this record themselves, so call before visiting.
How can I verify Curtis Reiss Handler, M.D.'s license?
NPPES lists California license number G34638, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.