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

DR. JAMES MIKOLAJCZAK, M.D.

Active Sole Proprietor

DR. JAMES MIKOLAJCZAK, M.D. is a Psychiatric Neurology healthcare provider located in CLAYTON, Missouri. NPI 1760502207 is currently active in the NPPES registry. Verify at CMS.

Psychiatric Neurology · CLAYTON, MO

Registration Details

NPI Number
1760502207
Provider Type
Individual
Gender
Male
NPI Issued
Mar 29, 2007 (19.374245225875 yrs)
Last Updated
Sep 11, 2025
Licenses
34665 (MO)
34665 (MO)
34665 (MO)
Sole Proprietor
Yes

Practice Information

Address
141 N MERAMEC AVE
CLAYTON, MO, 631053750
Browse MO providers · Browse ZIP 63105
Phone
3147261666
Primary Specialty
Psychiatric Neurology
2084P0804X
Additional Specialty
Psychiatric Neurology
Additional Specialty
Geriatric Psychiatry
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.