UNIVERSITY OF MARYLAND NEUROSURGERY ASSOCIATES P A
NPI 1639119035
Neurological Surgery in Columbia, MD

Active since June 07, 2006
5890 WATERLOO RD, COLUMBIA, MD 21045(410) 328-8209(410) 328-1413 Get Directions Write a Review

NPPES record last updated: January 6, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 6, 2026, Aug 22, 2020 (2 updates tracked since 2020).

About University Of Maryland Neurosurgery Associates P A NPPES

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

UNIVERSITY OF MARYLAND NEUROSURGERY ASSOCIATES P A (NPI 1639119035) is a healthcare organization registered as a neurological surgery in Columbia, Maryland and active in the NPI registry since June 2006. The organization lists Howard Michael Eisenberg, Chairman, as its authorized official.

NPPES Registry Identity

NPI1639119035
Entity TypeOrganization
Primary Taxonomy207T00000X
Legal Business NameUNIVERSITY OF MARYLAND NEUROSURGERY ASSOCIATES P A
Location Address5890 WATERLOO RDColumbia, MD 21045-2617
Mailing AddressPo Box 64315Baltimore, MD 21264-4315 · (410) 328-8209 · Fax (410) 328-1413
Fax(410) 328-1413
Organization SubpartNo
Authorized OfficialHoward Michael EisenbergChairman · (410) 328-8209
Enumeration DateJune 7, 2006
Last NPPES UpdateJanuary 6, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 6, 2026
✔ NPI 1639119035 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
5890 WATERLOO RD, Columbia, MD 21045

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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

University Of Maryland Neurosurgery Associates P A is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

41

Medicare enrollment records show 41 clinicians reassign Medicare billing to University Of Maryland Neurosurgery Associates P A, which bills Medicare for the services they deliver. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 7

Neurosurgery26
Nurse Practitioner8
Neurology3
Diagnostic Radiology1
Emergency Medicine1
Interventional Radiology1
Neuropsychiatry1

Nearest to this location (20)

See all 41
Nurse Practitioner
NPI 1235818030
301 HOSPITAL DR
Glen Burnie, MD 21061
(904) 372-3943
✔ PECOS✔ Accepts Medicare11 mi
Neurosurgery
NPI 1457350555
301 HOSPITAL DR SUITE 803
Glen Burnie, MD 21061
(410) 553-8160
✔ PECOS✔ Accepts Medicare11 mi
Nurse Practitioner
NPI 1194717983
255 HOSPITAL DR STE 208
Glen Burnie, MD 21061
(410) 553-8160
✔ PECOS✔ Accepts Medicare11 mi
Neurosurgery
NPI 1780639393
22 S GREENE ST S12D
Baltimore, MD 21201
(410) 328-8209
✔ PECOS11 mi
Neurosurgery
NPI 1760421507
22 S GREENE ST S12D
Baltimore, MD 21201
(410) 328-8209
✔ PECOS✔ Accepts Medicare11 mi
Nurse Practitioner
NPI 1952855991
22 S GREENE ST S12D
Baltimore, MD 21201
(410) 328-4958
✔ PECOS✔ Accepts Medicare11 mi
Neurosurgery
NPI 1568679652
22 S GREENE ST S-12-D
Baltimore, MD 21201
(410) 328-0282
✔ PECOS✔ Accepts Medicare11 mi
Neurosurgery
NPI 1326093790
22 S GREENE ST S12D
Baltimore, MD 21201
(410) 328-8209
✔ PECOS✔ Accepts Medicare11 mi
Nurse Practitioner
NPI 1922426139
22 S GREENE ST ADULT EMERGENCY DEPARTMENT
Baltimore, MD 21201
(410) 328-9503
✔ PECOS✔ Accepts Medicare11 mi
Neurosurgery
NPI 1174578876
22 S GREENE ST S12D
Baltimore, MD 21201
(410) 328-8209
✔ PECOS✔ Accepts Medicare11 mi
Nurse Practitioner
NPI 1033800800
22 S GREENE ST STE S12D
Baltimore, MD 21201
(410) 328-8667
✔ PECOS✔ Accepts Medicare11 mi
Neurosurgery
NPI 1609163898
22 S GREENE ST STE S12D
Baltimore, MD 21201
(410) 328-5262
✔ PECOS✔ Accepts Medicare11 mi
Nurse Practitioner
NPI 1952070732
22 S GREENE ST STE S12D
Baltimore, MD 21201
(410) 328-6034
✔ PECOS✔ Accepts Medicare11 mi
Neurology
NPI 1093004939
22 S GREENE ST
Baltimore, MD 21201
(410) 328-4151
✔ PECOS✔ Accepts Medicare11 mi
Interventional Radiology
NPI 1780764670
22 S GREENE ST, DEPT OF RADIOLOGY
Baltimore, MD 21201
(410) 328-3477
✔ PECOS✔ Accepts Medicare11 mi
Neurology
NPI 1043748916
22 S GREENE ST RM S2AX19
Baltimore, MD 21201
(410) 328-8621
✔ PECOS✔ Accepts Medicare11 mi
Diagnostic Radiology
NPI 1326295742
22 S GREENE ST, DEPT OF RADIOLOGY
Baltimore, MD 21201
(410) 328-3477
✔ PECOS✔ Accepts Medicare11 mi
Neuropsychiatry
NPI 1407218282
110 S PACA ST
Baltimore, MD 21201
(410) 328-2482
✔ PECOS✔ Accepts Medicare11 mi
Neurology
NPI 1689012312
110 S PACA ST # 3-S125
Baltimore, MD 21201
(410) 328-3956
✔ PECOS✔ Accepts Medicare11 mi
Emergency Medicine
NPI 1003227067
600 N WOLFE STREET PHIPPS 554
Baltimore, MD 21287
(410) 955-7851
✔ PECOS✔ Accepts Medicare13 mi
See all 41 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 University Of Maryland Neurosurgery Associates P A's NPI number?

The NPI number for University Of Maryland Neurosurgery Associates P A is 1639119035. It was assigned to this organization in the NPPES registry on June 7, 2006.

Where is University Of Maryland Neurosurgery Associates P A located?

University Of Maryland Neurosurgery Associates P A is located at 5890 Waterloo Rd, Columbia, MD 21045. The listed phone number is (410) 328-8209.

What is University Of Maryland Neurosurgery Associates P A's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is University Of Maryland Neurosurgery Associates P A enrolled in Medicare?

Yes. University Of Maryland Neurosurgery Associates P A is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through University Of Maryland Neurosurgery Associates P A?

According to the CMS Revalidation Reassignment List (October 2026 release), 41 clinicians in 7 Medicare specialties reassign their Medicare billing to University Of Maryland Neurosurgery Associates P A. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Neurosurgery (26), Nurse Practitioner (8) and Neurology (3). Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for University Of Maryland Neurosurgery Associates P A was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.