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Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.

MR. MATTHEW GRELLING, M.A. M.F.T.

Active Sole Proprietor

MR. MATTHEW GRELLING, M.A. M.F.T. is a Mental Health Counselor healthcare provider located in DIAMOND BAR, California. NPI 1831239037 is currently active in the NPPES registry. Verify at CMS.

Mental Health Counselor · DIAMOND BAR, CA

Registration Details

NPI Number
1831239037
Provider Type
Individual
Gender
Male
NPI Issued
Feb 7, 2007 (19.498987226667 yrs)
Last Updated
Jul 8, 2007
License
MFT 35675 (CA)
Sole Proprietor
Yes

Practice Information

Address
1111 GRAND AVE STE J
DIAMOND BAR, CA, 917654172
Browse CA providers · Browse ZIP 91765
Phone
9515050019
Primary Specialty
Mental Health Counselor
101YM0800X

Other Mental Health Counselor Providers in DIAMOND BAR, CA

Name Credential NPI
DR. D CAROL LYNCH PH.D. 1114998119
TRICIA DELA CRUZ LMFT 1467584011
MS. VERONICA ANGELINA GONZALEZ 1629417464
HEASUK BAE MFT 1346665247
YANNWEN BRAUN-LIANG 1841607975
NICOLE DOMINGUEZ FIDEL 1811422058
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.