Katherine Fierling, L.C.S.W.
Mental Health Counselor · Orange, CA
Katherine Fierling, L.C.S.W. is a mental health counselor with a practice address in Orange, California, and NPI 1285789990, issued on Jan 24, 2007. Check the license (California LCS 8250, 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
- Katherine Fierling
- Credential
- L.C.S.W.
- Primary taxonomy
- Mental Health Counselor 101YM0800X
- License number
- LCS 8250 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1310 W Stewart Dr, Orange, CA 92868
- Phone
- (714) 771-0907
- Enumerated
- Jan 24, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (714) 771-4852
- Medicare enrollment
- Enrolled (PECOS I20190107003208); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest mental health counselor records → All 28,617 in California → Look up another NPI →
Also registered at 1310 W Stewart Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Fierling in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license LCS 8250Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Katherine Fierling among 28,617 mental health counselor records in California
Katherine Fierling, L.C.S.W. is one of 28,617 mental health counselor records with a practice address in California. 1% 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 2007, is newer than 4% of them.
- NPI issued2007 · 4% of these records are older, 81% newer
- In a Medicare fileNo · 1% of these records are
- In the CMS Doctors and Clinicians fileYes · 3% of these records are
- Graduated1977 · median 2015 among the 722 with a school on file
- Record last updated2007 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
282 mental health counselor records list a practice address in Orange
They are 282 of the 13,245 NPPES records with a practice address in Orange, and 28,617 mental health counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 28,617 in California → Every provider in Orange → Mental Health Counselor nationwide →
The 8 mental health counselor records with the nearest ZIP codes
- Andrea AlfordOrange, CA 928681750474037
- Rachael Berry, B.A.Orange, CA 928681992897284
- Diane DaleOrange, CA 928681588758437
- Megan Gilhooley, MSW INTERNOrange, CA 928681669563326
- Kay HoughOrange, CA 928681306943105
- Robert LabossiereOrange, CA 928681801997382
- Lance LindgrenOrange, CA 928681053423582
- Laurie McCaslin, MHSOrange, CA 928681083715098
Common questions
What is Katherine Fierling, L.C.S.W.'s NPI number?
Katherine Fierling, L.C.S.W.'s National Provider Identifier (NPI) is 1285789990, issued on Jan 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Fierling, L.C.S.W. located?
The NPPES record lists a practice address at 1310 W Stewart Dr, Orange, CA, 92868. Phone: (714) 771-0907. Providers update this record themselves, so call before visiting.
How can I verify Katherine Fierling, L.C.S.W.'s license?
NPPES lists California license number LCS 8250, 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.