Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1750334876 Individual Practitioner Female Practitioner

Mary Holechek , CRNP

Nurse Practitioner • Baltimore, MD

Professional Overview & Biography Verified Profile Summary

Mary Holechek, CRNP is a registered healthcare professional specializing in Nurse Practitioner in Baltimore, MD. Practice services are available at 600 N WOLFE ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

600 N Wolfe St

Baltimore, MD 212870005

Telephone 4109554851
Associated Practice Facility / Clinic
🏢 Johns Hopkins University Facility NPI 1801891080

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Baltimore, MD

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 14.5 Yrs
State Avg: 9.9 Yrs
Regional Practice Density
377 Specialists

Practicing in Baltimore, MD (1277 Statewide)

Telehealth Adoption Rate
15.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License MD R070100

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Pamela Donohue , SCD, PA-C

Physician Assistant - Medical

NPI 1003014127

SCD, Physician Assistant (Certified)

NPI 1003066549

Master of Science, Physician Assistant (Certified)

Dr. Sabrina Sopha , MD

Pathology - Anatomic Pathology & Clinical Pathology

NPI 1003080797

Doctor of Medicine (M.D.)

Sandra King , DH

Dental Hygienist

NPI 1003153735
Theresa Ruddy , CPNP, CRNP

Nurse Practitioner - Acute Care

NPI 1003189861

Certified Pediatric Nurse Practitioner, Certified Registered Nurse Practitioner

Dr. Suman Paul , MBBS, PhD

Internal Medicine - Medical Oncology

NPI 1003253360

Bachelor of Medicine, Bachelor of Surgery (M.B.B.S.), Doctor of Philosophy (Ph.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 600 N WOLFE ST, BALTIMORE, MD 212870005 (Tel: 4109554851)

📍
Updated Business Mailing Address July 08, 2007

Registered at PO BOX 64563, BALTIMORE, MD 212644563

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as MARY HOLECHEK, C.R.N.P.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Nurse Practitioner (License #R070100 in MD)

🟢
Initial NPI Registration & Enumeration May 18, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1750334876
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 18, 2006
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

Po Box 64563

Baltimore, MD 212644563

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.