1. Home
  2. Directory
  3. Maryland
  4. Owings Mills
  5. Surgery
  6. NPI Profile

DR. WILLIAM PETER GEIS M.D.
NPI 1790744092
Surgery in Owings Mills, MD

Active since March 23, 2006
21 CROSSROADS DR, SUITE 360, OWINGS MILLS, MD 21117(410) 356-0410(410) 356-5237 Get Directions Write a Review

NPPES record last updated: November 5, 2009. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. William Peter Geis M.d. NPPES

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

DR. WILLIAM PETER GEIS M.D. (NPI 1790744092) is an individual surgery provider in Owings Mills, Maryland, licensed in Maryland (D0045452) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1790744092
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. WILLIAM PETER GEISCredential: M.D.
Location Address21 CROSSROADS DR, SUITE 360Owings Mills, MD 21117-5441
Mailing Address5401 Old Court Rd, Attn: CredentialingRandallstown, MD 21133-5103 · (410) 601-5524 · Fax (410) 601-8946
Phone(410) 356-0410
Fax(410) 356-5237
Sole ProprietorNo
Enumeration DateMarch 23, 2006
Last NPPES UpdateNovember 5, 2009
✔ NPI 1790744092 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in MD · D0045452
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
21 CROSSROADS DR, Owings Mills, MD 21117
Open in Google Maps ↗

Other Identifiers 5

Medicare UPIND12534MD
OtherP00752374MD · R/r Medicare Individual #
OtherCC3484MD · R/r Medicare Group #
Medicare PIN053N899FMD
Medicaid215221500MD

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.

DR. ELIZABETH LEONARD KIM M.D.
Radiology (Diagnostic Radiology)
21 CROSSROADS DR, STE 100
OWINGS MILLS, MD 21117
Baltimore County (410) 356-8186
ANDREW I PUPKIN DDS PA
Dentist
21 CROSSROADS DR, SUITE 350
OWINGS MILLS, MD 21117
Baltimore County (410) 581-1411
RICHARD P. FRANKLIN, M.D., P.A.
Specialist
21 CROSSROADS DR, SUITE 215
OWINGS MILLS, MD 21117
Baltimore County (410) 363-0044
MR. MICHAEL JOHN RITMILLER PA
Physician Assistant
21 CROSSROADS DR, SUITE 200
OWINGS MILLS, MD 21117
Baltimore County (410) 581-1600
DR. DARRYL JAY GARFINKEL M.D.
Radiology (Pediatric Radiology)
21 CROSSROADS DR, STE 100
OWINGS MILLS, MD 21117
Baltimore County (410) 356-8186
DR. ANDREW I. PUPKIN DDS
Dentist
21 CROSSROADS DR, SUITE 350
OWINGS MILLS, MD 21117
Baltimore County (410) 581-1411
ROHIT R LAKHANPAL M.D.
Ophthalmology (Retina Specialist)
21 CROSSROADS DR, SUITE 425
OWINGS MILLS, MD 21117
Baltimore County (410) 581-2020
DR. BRIAN MARK MONROE M.D.
Radiology (Diagnostic Radiology)
21 CROSSROADS DR, STE 100
OWINGS MILLS, MD 21117
Baltimore County (410) 356-8186

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 William Geis's NPI number?

The NPI number for William Geis is 1790744092. It was assigned to this individual provider in the NPPES registry on March 23, 2006.

Where is William Geis located?

William Geis practices at 21 Crossroads Dr Suite 360, Owings Mills, MD 21117. The listed phone number is (410) 356-0410.

What is William Geis's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

When was this NPI record last updated?

The NPPES record for William Geis was last updated on November 5, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.