NPPES file of Aug 9, 2026

Ronald Spiro Columbo

Clinical Social Worker · Quartz Hill, CA

Ronald Spiro Columbo is a clinical social worker with a practice address in Quartz Hill, California, and NPI 1568933695, issued on Dec 16, 2018. Check the license (California LCSW90562, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1568933695
Name
Ronald Spiro Columbo
Primary taxonomy
Clinical Social Worker 1041C0700X
License numbers
LCSW90562 CA
10932 FL
Self-reported in NPPES; status is on the state search
Practice location
4817 Quartz Hill RD, Quartz Hill, CA 93536
Phone
(661) 470-9353
Enumerated
Dec 16, 2018
Record last updated
Sep 5, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200624002528); accepts Medicare assignment
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 Ronald Spiro Columbo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license LCSW90562
    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
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Compass Therapeutic Alliance A Licensed Clinical Social Worker COPanorama City, CA

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

2 clinical social worker records list a practice address in Quartz Hill

They are 2 of the 28 NPPES records with a practice address in Quartz Hill, and 36,261 clinical social worker records in California.

Other clinical social worker records in California

  1. Lynne Aalan, LCSWYountville, CA1417195710
  2. Ahmad Fahim AalemiSacramento, CA1033052410
  3. Rachel Aarons, MSW PHDSanta Barbara, CA1871687822
  4. Shari Aarons, LCSWTarzana, CA1467636845
  5. Mary Aarsheim, LCSWPenn Valley, CA1104192616
  6. Sandra Aase, LCSWRiverside, CA1699872325
  7. Maria Abaci, LCSWSan Rafael, CA1205161924
  8. Louisa AbadaOakland, CA1023502259
  9. Alejandro Abarca, LCSWSonora, CA1538184676
  10. Daisy Abarca, ACSWRoseville, CA1548124779

Common questions

What is Ronald Spiro Columbo's NPI number?

Ronald Spiro Columbo's National Provider Identifier (NPI) is 1568933695, issued on Dec 16, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Ronald Spiro Columbo located?

The NPPES record lists a practice address at 4817 Quartz Hill RD, Quartz Hill, CA, 93536. Phone: (661) 470-9353. Providers update this record themselves, so call before visiting.

How can I verify Ronald Spiro Columbo's license?

NPPES lists California license number LCSW90562, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.