Frank Costello, L.C.S.W.
Clinical Social Worker · Northridge, CA
Frank Costello, L.C.S.W. is a clinical social worker with a practice address in Northridge, California, and NPI 1811182157, issued on Sep 10, 2007. Check the license (California 27084, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Frank Costello
- Credential
- L.C.S.W.
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 27084 CA
Self-reported in NPPES; status is on the state search - Practice location
- 17075 Devonshire St, Northridge, CA 91325
- Phone
- (818) 923-2270
- Enumerated
- Sep 10, 2007
- Record last updated
- Nov 28, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (818) 368-8940
- Medicaid ID
- 00007473 CA
- Entity
- Type 1 · individual
Also registered at 17075 Devonshire St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael Borok, MDSpecialist1457379000
- Christopher Buttelman, MDInternal Medicine Physician1437128840
- Charles Chidsey, M.D.Surgery Physician1831147735
Verify Frank Costello in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 27084Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
197 clinical social worker records list a practice address in Northridge
They are 197 of the 2,598 NPPES records with a practice address in Northridge, and 36,261 clinical social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 197 in Northridge → All 36,261 in California → Every provider in Northridge →
Other clinical social worker records in California
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- Rachel Aarons, MSW PHDSanta Barbara, CA1871687822
- Shari Aarons, LCSWTarzana, CA1467636845
- Mary Aarsheim, LCSWPenn Valley, CA1104192616
- Sandra Aase, LCSWRiverside, CA1699872325
- Maria Abaci, LCSWSan Rafael, CA1205161924
- Louisa AbadaOakland, CA1023502259
- Alejandro Abarca, LCSWSonora, CA1538184676
- Daisy Abarca, ACSWRoseville, CA1548124779
Common questions
What is Frank Costello, L.C.S.W.'s NPI number?
Frank Costello, L.C.S.W.'s National Provider Identifier (NPI) is 1811182157, issued on Sep 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Frank Costello, L.C.S.W. located?
The NPPES record lists a practice address at 17075 Devonshire St, Northridge, CA, 91325. Phone: (818) 923-2270. Providers update this record themselves, so call before visiting.
How can I verify Frank Costello, L.C.S.W.'s license?
NPPES lists California license number 27084, 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. 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.