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DR. MARK ALLAN WALKER M.D.
NPI 1083716823
Internal Medicine - Endocrinology, Diabetes & Metabolism in Halethorpe, MD

Active since September 02, 2006
1701 TWIN SPRINGS RD, KAISER PERMANENTE SOUTH BALTIMORE COUNTY MEDICAL CENTER, HALETHORPE, MD 21227(410) 737-5540(410) 737-5531 Get Directions Write a Review

NPPES record last updated: October 29, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Mark Allan Walker M.d. NPPES

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

DR. MARK ALLAN WALKER M.D. (NPI 1083716823) is an individual endocrinology, diabetes & metabolism provider in Halethorpe, Maryland, licensed in Maryland (D0037239) and active in the NPI registry since September 2006.

NPPES Registry Identity

NPI1083716823
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. MARK ALLAN WALKERCredential: M.D.
Location Address1701 TWIN SPRINGS RD, KAISER PERMANENTE SOUTH BALTIMORE COUNTY MEDICAL CENTERHalethorpe, MD 21227-3553
Mailing Address2101 E Jefferson St, Kaiser Permanente Medicare EnrollmentRockville, MD 20852-4908 · (301) 816-2424
Phone(410) 737-5540
Fax(410) 737-5531
Sole ProprietorNo
Enumeration DateSeptember 2, 2006
Last NPPES UpdateOctober 29, 2013
✔ NPI 1083716823 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
Licenses✔ Licensed in MD · D0037239✔ Licensed in VA · 0101250822✔ Licensed in DC · MD039279
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
1701 TWIN SPRINGS RD, Halethorpe, MD 21227
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Other Identifiers 1

Medicare UPINF22495

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.

FATMATTA KUYATEH MD
Family Medicine
1701 TWIN SPRINGS RD
HALETHORPE, MD 21227
Baltimore County (410) 737-5000
DR. JEFFREY P KATZ M.D.
Family Medicine (Geriatric Medicine)
1701 TWIN SPRINGS RD
HALETHORPE, MD 21227
Baltimore County (443) 934-0748
KATHRYN MUNDI PHARMD
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
1701 TWIN SPRINGS RD
HALETHORPE, MD 21227
Baltimore County (410) 737-5000
JEFFREY GAMBEL MD
Physical Medicine & Rehabilitation
1701 TWIN SPRINGS RD
HALETHORPE, MD 21227
Baltimore County (410) 737-5360
DR. MELISSA WHITNEY SMITH PHARM.D.
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
1701 TWIN SPRINGS RD
HALETHORPE, MD 21227
Baltimore County (410) 847-6331
ADEEL KHALID CHOUDHARY
Internal Medicine
1701 TWIN SPRINGS RD
HALETHORPE, MD 21227
Baltimore County (410) 737-5000
REZENE ASGHODOM RPH, MSC
Pharmacist
1701 TWIN SPRINGS RD
HALETHORPE, MD 21227
Baltimore County (410) 737-5200
DR. ALIREZA PAYMAN FARSAII M.D.
Orthopaedic Surgery
1701 TWIN SPRINGS RD
HALETHORPE, MD 21227
Baltimore County (410) 737-5600

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 Mark Walker's NPI number?

The NPI number for Mark Walker is 1083716823. It was assigned to this individual provider in the NPPES registry on September 2, 2006.

Where is Mark Walker located?

Mark Walker practices at 1701 Twin Springs Rd Kaiser Permanente South Baltimore County Medical Center, Halethorpe, MD 21227. The listed phone number is (410) 737-5540.

What is Mark Walker's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

When was this NPI record last updated?

The NPPES record for Mark Walker was last updated on October 29, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.