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GREGORY WALKER MD
NPI 1326266594
Internal Medicine in Baltimore, MD

Active since April 23, 2007
3333 N CALVERT ST, SUITE 540, BALTIMORE, MD 21218(410) 235-8858(410) 235-8904 Get Directions Write a Review

NPPES record last updated: August 16, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Gregory Walker Md NPPES

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

GREGORY WALKER MD (NPI 1326266594) is a healthcare organization registered as an internal medicine in Baltimore, Maryland and active in the NPI registry since April 2007. The organization lists Gregory Walker, Owner, as its authorized official.

NPPES Registry Identity

NPI1326266594
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameGREGORY WALKER MD
Location Address3333 N CALVERT ST, SUITE 540Baltimore, MD 21218-2867
Mailing Address3333 N Calvert St, Suite 540Baltimore, MD 21218-2867 · (410) 235-8858 · Fax (410) 235-8904
Phone(410) 235-8858
Fax(410) 235-8904
Organization SubpartNo
Authorized OfficialGregory WalkerOwner · (410) 235-8858
Enumeration DateApril 23, 2007
Last NPPES UpdateAugust 16, 2011
✔ NPI 1326266594 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
3333 N CALVERT ST, Baltimore, MD 21218
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Other Identifiers 1

Medicare ID-Type Unspecified8834

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

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

NATIONAL HAND SPECIALISTS AT UNION MEMORIAL HOSPITAL
Orthopaedic Surgery (Hand Surgery)
3333 N CALVERT ST, 2ND FLOOR, JOHNSTON PROF BLDG
BALTIMORE, MD 21218
Baltimore City (410) 235-5405
DR. RICHARD F. HEITMILLER M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
3333 N CALVERT ST, JOHNSTON PROF BLDG, STE 610
BALTIMORE, MD 21218
Baltimore City (410) 554-2063
DR. JASON WILSON HAMMOND M.D.
Orthopaedic Surgery (Sports Medicine)
3333 N CALVERT ST, SUITE 400
BALTIMORE, MD 21218
Baltimore City (410) 554-6865
FRANK J. CRIADO, M.D., P.A.
Surgery (Vascular Surgery)
3333 N CALVERT ST, SUITE # 570
BALTIMORE, MD 21218
Baltimore City (410) 554-6400
DEREK LEE MASDEN MD
Plastic Surgery
3333 N CALVERT ST
BALTIMORE, MD 21218
Baltimore City (585) 233-9659
REBECCA SAUNDERS PT
Physical Therapist
3333 N CALVERT ST
BALTIMORE, MD 21218
Baltimore City (301) 540-6140
KARI E KINDSCHI MD
Family Medicine (Sports Medicine)
3333 N CALVERT ST
BALTIMORE, MD 21218
Baltimore City (410) 554-6868
DR. AJAY R PARIKH MD
Urology
3333 N CALVERT ST, STE 605 JOHNSTON PROFESSIONAL BLDG
BALTIMORE, MD 21218
Baltimore City (410) 889-8899

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 Gregory Walker MD's NPI number?

The NPI number for Gregory Walker MD is 1326266594. It was assigned to this organization in the NPPES registry on April 23, 2007.

Where is Gregory Walker MD located?

Gregory Walker MD is located at 3333 N Calvert St Suite 540, Baltimore, MD 21218. The listed phone number is (410) 235-8858.

What is Gregory Walker MD's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Gregory Walker MD was last updated on August 16, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.