ST. AGNES LAB SERVICES
NPI 1164462925
Clinical Medical Laboratory in Baltimore, MD

Active since June 08, 2006
900 CATON AVE, BALTIMORE, MD 21229(667) 234-3060(667) 234-3572 Get Directions Write a Review

NPPES record last updated: February 25, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About St. Agnes Lab Services NPPES

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

ST. AGNES LAB SERVICES (NPI 1164462925) is a healthcare organization registered as a clinical medical laboratory in Baltimore, Maryland and active in the NPI registry since June 2006. The organization lists Keith Vander Kolk, President/ceo, as its authorized official.

NPPES Registry Identity

NPI1164462925
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameST. AGNES HEALTHCARE, INC.
Location Address900 CATON AVEBaltimore, MD 21229-5201
Mailing Address3585 Washington BlvdHalethorpe, MD 21227-1676 · (667) 234-2126 · Fax (667) 234-2947
Fax(667) 234-3572
Organization SubpartYes
Authorized OfficialKeith Vander KolkPresident/ceo · (667) 234-2101
Enumeration DateJune 8, 2006
Last NPPES UpdateFebruary 25, 2016
✔ NPI 1164462925 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
Definition
(1) A clinical laboratory is a facility for the biological, microbiological, serological, chemical, immunohematological, hematological, biophysical, cytological, pathological, or other examination of materials derived from the human body for the purpose of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, human beings. These examinations also include procedures to determine, measure, or otherwise describe the presence or absence of various substances or organisms in the body. Facilities only collecting or preparing specimens (or both) or only serving as a mailing service and not performing testing are not considered clinical laboratories. (2) Any facility that examines materials from the human body for purposes of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, or the assessment of, the health of human beings. Typical divisions of a clinical laboratory include hematology, cytology, bacteriology, histology, biochemistry, medical toxicology, and serology.
900 CATON AVE, Baltimore, MD 21229

Other Names 1

Doing Business AsSt. Agnes Lab Services

Other Identifiers 1

Medicaid109948500MD

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

St. Agnes Lab Services is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date 2

Next revalidation due by January 31, 2027

This provider holds 2 Medicare enrollments with upcoming revalidation dates. Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateMarylandEnrollment IDO20040128001146Non-DME Part B · Clinic/Group PracticeDue dateJanuary 31, 2027
StateMarylandEnrollment IDO20040220000277Non-DME Part B · Independent Clinical LaboratoryDue dateMarch 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

372

Medicare enrollment records show 372 clinicians reassign Medicare billing to St. Agnes Lab Services, which bills Medicare for the services they deliver. Of these, 44 practice at this address and 189 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 37

Internal Medicine42
Obstetrics/Gynecology42
Nurse Practitioner41
Diagnostic Radiology36
Psychiatry31
Cardiovascular Disease (Cardiology)23
Critical Care (Intensivists)19
General Surgery19
29 other specialties119

Nearest to this location (20)

See all 372
Critical Care (Intensivists)
NPI 1700011558
900 S CATON AVE
Baltimore, MD 21229
(667) 234-3201
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1275942641
900 S CATON AVE
Baltimore, MD 21229
(443) 676-6686
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1174708234
900 CATON AVE MAILBOX 207
Baltimore, MD 21229
(410) 368-2730
✔ PECOS✔ Accepts MedicareSame address
Critical Care (Intensivists)
NPI 1124253661
900 CATON AVE UNIT 2600
Baltimore, MD 21229
(410) 368-2209
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1437307600
900 S CATON AVE
Baltimore, MD 21229
(410) 368-6000
✔ PECOS✔ Accepts MedicareSame address
Hospitalist
NPI 1992094189
900 S CATON AVE
Baltimore, MD 21229
(410) 232-3313
✔ PECOS✔ Accepts MedicareSame address
Diagnostic Radiology
NPI 1831167261
900 S CATON AVE
Baltimore, MD 21229
(410) 368-3002
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1952665366
900 S CATON AVE MS 235
Baltimore, MD 21229
(667) 234-8777
✔ PECOSSame address
Internal Medicine
NPI 1205278843
900 CATON AVE MAILBOX 198
Baltimore, MD 21229
(410) 368-8858
✔ PECOS✔ Accepts MedicareSame address
Hospitalist
NPI 1588783286
900 CATON AVE
Baltimore, MD 21229
(667) 234-3120
✔ PECOS✔ Accepts MedicareSame address
Medical Oncology
NPI 1932393766
900 S CATON AVE
Baltimore, MD 21229
(667) 234-2910
✔ PECOS✔ Accepts MedicareSame address
Endocrinology
NPI 1629250154
900 CATON AVE
Baltimore, MD 21229
(667) 234-2391
✔ PECOS✔ Accepts MedicareSame address
Medical Oncology
NPI 1326239187
900 CATON AVE
Baltimore, MD 21229
(667) 234-2910
✔ PECOS✔ Accepts MedicareSame address
Radiation Oncology
NPI 1841291978
900 CATON AVE
Baltimore, MD 21229
(410) 368-2965
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1578604351
900 CATON AVE
Baltimore, MD 21229
(410) 368-2600
✔ PECOS✔ Accepts MedicareSame address
Radiation Oncology
NPI 1891796926
900 CATON AVE
Baltimore, MD 21229
(410) 368-2965
✔ PECOS✔ Accepts MedicareSame address
Hematology/Oncology
NPI 1508085887
900 CATON AVE
Baltimore, MD 21229
(667) 234-2910
✔ PECOS✔ Accepts MedicareSame address
Endocrinology
NPI 1336415074
900 CATON AVE
Baltimore, MD 21229
(667) 234-2391
✔ PECOS✔ Accepts MedicareSame address
Psychiatry
NPI 1891131017
900 CATON AVE
Baltimore, MD 21229
(667) 234-3577
✔ PECOSSame address
Geriatric Medicine
NPI 1336217819
900 CATON AVE DEPARTMENT OF MEDICINE, SIXTH FLOOR
Baltimore, MD 21229
(410) 368-8979
✔ PECOSSame address
See all 372 clinicians

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

Areas of Expertise CMS Part B claims 39

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
1,426 services627 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
1,291 services548 patients
Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
1,197 services548 patients
Screening test for red blood cell antibodies 86850
A screening test for red blood cell antibodies is a simple blood test to identify if your body has produced proteins that may react against certain types of blood. These proteins can cause complications in certain situations like transfusions or pregnancy.
309 services225 patients
Blood group typing (abo) 86900
Blood group typing, or ABO typing, is a test that identifies your blood type. This is vital information for blood transfusions or organ transplants to ensure compatibility. The test involves analyzing your blood for certain antibodies and antigens.
301 services225 patients
Blood typing for rh (d) antigen 86901
Blood typing for Rh (D) antigen is a test that identifies if you have a specific protein, the RhD antigen, on your blood cells. If present, you are Rh positive. If absent, you are Rh negative. This information is crucial for safe blood transfusions and pregnancy care.
301 services225 patients

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 St. Agnes Healthcare, Inc.'s NPI number?

The NPI number for St. Agnes Healthcare, Inc. is 1164462925. It was assigned to this organization in the NPPES registry on June 8, 2006. The provider is doing business as St. Agnes Lab Services.

Where is St. Agnes Healthcare, Inc. located?

St. Agnes Healthcare, Inc. is located at 900 Caton Ave, Baltimore, MD 21229. The listed phone number is (667) 234-3060.

What is St. Agnes Healthcare, Inc.'s specialty?

The primary specialty registered for this NPI is Clinical Medical Laboratory with taxonomy code 291U00000X.

Is St. Agnes Healthcare, Inc. enrolled in Medicare?

Yes. St. Agnes Healthcare, Inc. is registered in the Medicare PECOS enrollment system.

When is St. Agnes Healthcare, Inc.'s Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), St. Agnes Healthcare, Inc. holds 2 Medicare enrollments with upcoming revalidation dates. The next is due by January 31, 2027 (Non-DME Part B, Maryland, Clinic/Group Practice). Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through St. Agnes Healthcare, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 372 clinicians in 37 Medicare specialties reassign their Medicare billing to St. Agnes Healthcare, Inc.. 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 Internal Medicine (42), Obstetrics/Gynecology (42) and Nurse Practitioner (41). Of these, 44 practice at this address and 189 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for St. Agnes Healthcare, Inc. was last updated on February 25, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.