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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. CHARLES B MAREK JR. MD
NPI 1285621094
Obstetrics & Gynecology in Middle River, MD

Active since October 06, 2005
4021 BAY DR, MIDDLE RIVER, MD 21220(410) 916-4090 Get Directions Write a Review

NPPES record last updated: July 14, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Charles B Marek Jr. Md NPPES

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

DR. CHARLES B MAREK JR. MD (NPI 1285621094) is an individual obstetrics & gynecology provider in Middle River, Maryland, licensed in Maryland (D0013064) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1285621094
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. CHARLES B MAREK JR.Credential: MD
Location Address4021 BAY DRMiddle River, MD 21220-4036
Mailing Address9712 Belair Rd, Suite 100Baltimore, MD 21236-1103 · (410) 256-3200 · Fax (440) 529-2462
Phone(410) 916-4090
Sole ProprietorYes
Enumeration DateOctober 6, 2005
Last NPPES UpdateJuly 14, 2026
NPPES CertifiedJuly 14, 2026
✔ NPI 1285621094 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MD · D0013064
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
4021 BAY DR, Middle River, MD 21220
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Other Identifiers 2

Other369AMD · Blue Shield
OtherJ380MD · Blue Choice

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 Charles Marek's NPI number?

The NPI number for Charles Marek is 1285621094. It was assigned to this individual provider in the NPPES registry on October 6, 2005.

Where is Charles Marek located?

Charles Marek practices at 4021 Bay Dr, Middle River, MD 21220. The listed phone number is (410) 916-4090.

What is Charles Marek's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

When was this NPI record last updated?

The NPPES record for Charles Marek was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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.