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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. LEONARD JULIAN MOLCZAN JR. D.C.
NPI 1285673020
Chiropractor in Philadelphia, PA

Active since June 06, 2006
33 S 3RD ST, PHILADELPHIA, PA 19106(215) 928-9171(215) 928-9172 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Leonard Julian Molczan Jr. D.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LEONARD JULIAN MOLCZAN JR. D.C. (NPI 1285673020) is an individual chiropractor in Philadelphia, Pennsylvania, licensed in Pennsylvania (DC-007614-L) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1285673020
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. LEONARD JULIAN MOLCZAN JR.Credential: D.C.
Location Address33 S 3RD STPhiladelphia, PA 19106-2814
Mailing Address33 S 3rd StPhiladelphia, PA 19106-2814 · (215) 928-9171 · Fax (215) 928-9172
Phone(215) 928-9171
Fax(215) 928-9172
Sole ProprietorNo
Enumeration DateJune 6, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1285673020 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in PA · DC-007614-L
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
33 S 3RD ST, Philadelphia, PA 19106
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Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. DONALD RENAULT ROCKLAGE D.C.
Chiropractor
33 S 3RD ST
PHILADELPHIA, PA 19106
Philadelphia County (215) 928-9171
PHILADELPHIA CHIROPRACTIC, LLC
Chiropractor
33 S 3RD ST
PHILADELPHIA, PA 19106
Philadelphia County (215) 928-9171
DR. CHRISTOPHER ROBERT ZELEZ DC
Chiropractor
33 S 3RD ST
PHILADELPHIA, PA 19106
Philadelphia County (215) 928-9171
JMSEJB LLC
Chiropractor
33 S 3RD ST
PHILADELPHIA, PA 19106
Philadelphia County (215) 928-9171

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leonard Molczan's NPI number?

The NPI number for Leonard Molczan is 1285673020. It was assigned to this individual provider in the NPPES registry on June 6, 2006.

Where is Leonard Molczan located?

Leonard Molczan practices at 33 S 3rd St, Philadelphia, PA 19106. The listed phone number is (215) 928-9171.

What is Leonard Molczan's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

When was this NPI record last updated?

The NPPES record for Leonard Molczan was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.