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CHESAPEAKE UROLOGY ASSOCIATES, LLC
NPI 1114742582
Urology in Baltimore, MD

Active since November 20, 2024CLIA 21D0914057 · Microscopy
3333 N CALVERT ST STE 600, BALTIMORE, MD 21218(410) 467-7665 Get Directions Write a Review

NPPES record last updated: March 8, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 8, 2025, Nov 20, 2024 (2 updates tracked since 2024).

About Chesapeake Urology Associates, Llc NPPES

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

CHESAPEAKE UROLOGY ASSOCIATES, LLC (NPI 1114742582) is a healthcare organization registered as an urology in Baltimore, Maryland and active in the NPI registry since November 2024. The organization holds a CLIA Microscopy certificate valid through April 18, 2028 and lists Sanford Jay Siegel, President, as its authorized official.

NPPES Registry Identity

NPI1114742582
Entity TypeOrganization
Primary Taxonomy208800000X
Legal Business NameCHESAPEAKE UROLOGY ASSOCIATES, LLC
Location Address3333 N CALVERT ST STE 600Baltimore, MD 21218-6504
Mailing Address10200 Grand Central Ave Ste 220Owings Mills, MD 21117-4366 · (443) 738-2872
Phone(410) 467-7665
Organization SubpartNo
Authorized OfficialSanford Jay SiegelPresident · (410) 581-1600
Enumeration DateNovember 20, 2024
Last NPPES UpdateMarch 8, 20252 updates tracked since enumeration
NPPES CertifiedMarch 8, 2025
✔ NPI 1114742582 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians
Taxonomy Code208800000X
Definition
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.
3333 N CALVERT ST STE 600, Baltimore, MD 21218
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Other Identifiers 1

Medicaid276600131MD

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Chesapeake Urology Associates, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

166

Medicare enrollment records show 166 clinicians reassign Medicare billing to Chesapeake Urology Associates, LLC, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 61 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 9

Urology110
Nurse Practitioner30
Radiation Oncology9
Hematology/Oncology5
Pathology5
Diagnostic Radiology2
Interventional Radiology2
Obstetrics/Gynecology2
1 other specialty1

Nearest to this location (20)

See all 166
Brad Lerner, MD
Urology
NPI 1558346809
3333 N CALVERT ST SUITE 600
Baltimore, MD 21218
(410) 467-7665
✔ PECOS✔ Accepts MedicareSame address
Brian Neuman, M.D.
Urology
NPI 1780028167
3333 N CALVERT ST STE 600
Baltimore, MD 21218
(410) 467-7665
✔ PECOS✔ Accepts MedicareSame address
Benjamin Lowentritt, M.D.
Urology
NPI 1578584959
3333 N CALVERT ST STE 600
Baltimore, MD 21218
(410) 467-7665
✔ PECOS✔ Accepts MedicareSame address
Christen Alevizatos, M.D.
Urology
NPI 1154376325
5601 LOCH RAVEN BLVD SUITE 307
Baltimore, MD 21239
(410) 433-7303
✔ PECOS✔ Accepts Medicare2.5 mi
Soum Lokeshwar, MD, MBA
Urology
NPI 1972123123
1800 ORLEANS ST
Baltimore, MD 21287
(410) 502-2037
✔ PECOS2.6 mi
Josi Herren, DO
Interventional Radiology
NPI 1891226361
22 S GREENE ST
Baltimore, MD 21201
(410) 328-3477
✔ PECOS✔ Accepts Medicare2.9 mi
Young Kwok, M.D.
Radiation Oncology
NPI 1215941901
22 S GREENE ST GUDELSKY BASEMENT
Baltimore, MD 21201
(410) 328-3037
✔ PECOS✔ Accepts Medicare2.9 mi
Jennifer Siddle, FNP-C
Nurse Practitioner
NPI 1164633293
2401 W BELVEDERE AVE
Baltimore, MD 21215
(410) 601-4600
✔ PECOS3.0 mi
Marc Siegelbaum, MD
Urology
NPI 1578547287
7505 OSLER DR STE 506
Towson, MD 21204
(410) 296-0167
✔ PECOS✔ Accepts Medicare4.0 mi
David Stampfer, MD
Urology
NPI 1093799710
7505 OSLER DR SUITE 506
Towson, MD 21204
(410) 296-0167
✔ PECOS✔ Accepts Medicare4.0 mi
Jason Molitoris, M.D.
Radiation Oncology
NPI 1265876973
6565 N CHARLES ST STE 203
Baltimore, MD 21204
(443) 849-3760
✔ PECOS✔ Accepts Medicare4.2 mi
Robert Brookland, MD
Radiation Oncology
NPI 1548261647
6701 N CHARLES ST
Towson, MD 21204
(443) 849-2540
✔ PECOS✔ Accepts Medicare4.2 mi
Kruti Patel, M.D.
Radiation Oncology
NPI 1780905968
6701 N CHARLES ST
Baltimore, MD 21204
(443) 849-2540
✔ PECOS✔ Accepts Medicare4.2 mi
Ronald Tutrone, M.D.
Urology
NPI 1265495204
6535 N CHARLES ST SUITE 625
Baltimore, MD 21204
(410) 825-5454
✔ PECOS✔ Accepts Medicare4.2 mi
Michael Adashek, D.O.
Hematology/Oncology
NPI 1972037661
6535 N CHARLES ST STE 500
Towson, MD 21204
(410) 825-5454
✔ PECOS✔ Accepts Medicare4.3 mi
Robin Heese, DNP, FNP-C
Nurse Practitioner
NPI 1578243358
6535 N CHARLES ST STE 500
Towson, MD 21204
(410) 825-5454
✔ PECOS✔ Accepts Medicare4.3 mi
Jessica Kwebetchou
Nurse Practitioner
NPI 1811885502
6535 N CHARLES ST STE 500
Towson, MD 21204
(410) 825-5454
✔ PECOS✔ Accepts Medicare4.3 mi
Diane Schmidt, CRNP
Nurse Practitioner
NPI 1689679763
6535 N CHARLES ST STE 500
Towson, MD 21204
(410) 825-5454
✔ PECOS✔ Accepts Medicare4.3 mi
Antoinette Tillman, NP
Nurse Practitioner
NPI 1043986490
6535 N CHARLES ST STE 500
Towson, MD 21204
(410) 825-5454
✔ PECOS✔ Accepts Medicare4.3 mi
Geoffrey Neuner, MD
Radiation Oncology
NPI 1548464001
6701 N CHARLES ST SUITE 1400
Baltimore, MD 21204
(443) 849-2540
✔ PECOS✔ Accepts Medicare4.3 mi
See all 166 clinicians

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 21D0914057

Chesapeake Urology Associates PA · Baltimore, MD
Active · expires Apr 18, 2028
CLIA Number21D0914057
Laboratory TypePhysician Office
Certificate Effective DateApril 19, 2026
Certificate Expiration DateApril 18, 2028
Laboratory DirectorBenjamin Lowentritt MD
Laboratory Phone(410) 467-7665
Laboratory LocationChesapeake Urology Associates PA3333 North Calvert Street Suite 600, Baltimore, MD 21218
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

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 Chesapeake Urology Associates, LLC's NPI number?

The NPI number for Chesapeake Urology Associates, LLC is 1114742582. It was assigned to this organization in the NPPES registry on November 20, 2024.

Where is Chesapeake Urology Associates, LLC located?

Chesapeake Urology Associates, LLC is located at 3333 N Calvert St Ste 600, Baltimore, MD 21218. The listed phone number is (410) 467-7665.

What is Chesapeake Urology Associates, LLC's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Is Chesapeake Urology Associates, LLC enrolled in Medicare?

Yes. Chesapeake Urology Associates, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Chesapeake Urology Associates, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 166 clinicians in 9 Medicare specialties reassign their Medicare billing to Chesapeake Urology Associates, LLC. 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 Urology (110), Nurse Practitioner (30) and Radiation Oncology (9). Of these, 3 practice at this address and 61 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Chesapeake Urology Associates, LLC hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 21D0914057) is associated with this NPI, valid through April 18, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Chesapeake Urology Associates, LLC was last updated on March 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.