Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Gregory A Nizialek

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1124386552

Gregory A Nizialek is an Internal Medicine in Baltimore, Maryland. Graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2012, 14 years ago. Practices with Medstar Medical Group II LLC, a 3,717-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
14
Trained at
Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University
Licensed in
MD
In the registry since
2012
Specialties on file
2

Practice location Address checks out

Student / training record This NPI belongs to someone enrolled in a health care training programme. It carries no licence and no practice of its own, so no address or phone number is published for it.

Baltimore, MD

Additional practice locations (2)

  • 3001 S Hanover St, Baltimore, MD 21225-1233 — (410) 350-3200
  • 2500 Metrohealth Dr, Cleveland, OH 44109-1900 — (216) 778-4486

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D0087449 (MD)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1124386552
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedApril 23, 2012
Last updated in NPPESJuly 3, 2019

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolCLVLND CLINIC LERNER COLLEGE OF MED OF CASE WSTN RSV UNIVERSITY
Graduated 2012 (14 years in practice)
Group practice Medstar Medical Group Ii Llc — 3717 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Baltimore