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CHESAPEAKE UROLOGY ASSOCIATES, LLC
NPI 1861292641
Urology in Gaithersburg, MD

Active since March 19, 2025
808 W DIAMOND AVE, GAITHERSBURG, MD 20878(240) 365-0900 Get Directions Write a Review

NPPES record last updated: March 19, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Chesapeake Urology Associates, Llc NPPES

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

CHESAPEAKE UROLOGY ASSOCIATES, LLC (NPI 1861292641) is a healthcare organization registered as an urology in Gaithersburg, Maryland and active in the NPI registry since March 2025. The organization lists Sanford Jay Siegel, Authorized Official, as its authorized official.

NPPES Registry Identity

NPI1861292641
Entity TypeOrganization
Primary Taxonomy208800000X
Legal Business NameCHESAPEAKE UROLOGY ASSOCIATES, LLC
Location Address808 W DIAMOND AVEGaithersburg, MD 20878-1413
Mailing Address10200 Grand Central Ave Ste 220Owings Mills, MD 21117-4366 · (443) 471-5783
Phone(240) 365-0900
Organization SubpartNo
Authorized OfficialSanford Jay SiegelAuthorized Official · (410) 581-1600
Enumeration DateMarch 19, 2025
NPPES CertifiedMarch 19, 2025
✔ NPI 1861292641 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.
808 W DIAMOND AVE, Gaithersburg, MD 20878
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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

96

Medicare enrollment records show 96 clinicians reassign Medicare billing to Chesapeake Urology Associates, LLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 28 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 5

Urology63
Pathology12
Nurse Practitioner11
Radiation Oncology8
Interventional Radiology2

Nearest to this location (20)

See all 96
Geoffrey Martin, MD
Radiation Oncology
NPI 1245675800
808 W DIAMOND AVE STE 650
Gaithersburg, MD 20878
(240) 364-0900
✔ PECOS✔ Accepts MedicareSame address
Leonard Bloom, MD
Urology
NPI 1114030301
9420 KEY WEST AVE. SUITE 420
Rockville, MD 20850
(301) 258-1919
✔ PECOS3.0 mi
Gary Friedlander, MD
Urology
NPI 1083716195
9420 KEY WEST AVE. #420
Rockville, MD 20850
(301) 258-1919
✔ PECOS✔ Accepts Medicare3.0 mi
Roberto Pedraza, MD
Urology
NPI 1053419614
9420 KEY WEST AVE. #420
Rockville, MD 20850
(301) 258-1919
✔ PECOS✔ Accepts Medicare3.0 mi
Spencer Craven, MD
Urology
NPI 1922426071
9420 KEY WEST AVE STE 420
Rockville, MD 20850
(301) 258-1919
✔ PECOS✔ Accepts Medicare3.0 mi
Ellen Goldmark, MD
Urology
NPI 1720247703
9420 KEY WEST AVE. SUITE 420
Rockville, MD 20850
(301) 258-1919
✔ PECOS✔ Accepts Medicare3.0 mi
Michael Isaacson, MD
Urology
NPI 1225262314
9420 KEY WEST AVE SUITE 420
Rockville, MD 20850
(301) 258-1919
✔ PECOS✔ Accepts Medicare3.0 mi
Priyanka Kancherla, MD
Urology
NPI 1669909669
9420 KEY WEST AVE STE 420
Rockville, MD 20850
(301) 258-1919
✔ PECOS✔ Accepts Medicare3.0 mi
Amy Rothstein
Nurse Practitioner
NPI 1871218115
9420 KEY WEST AVE STE 420
Rockville, MD 20850
(301) 258-1919
✔ PECOS✔ Accepts Medicare3.0 mi
David Osborn, MD
Urology
NPI 1841413275
19851 OBSERVATION DR STE 455
Germantown, MD 20876
(301) 933-9660
✔ PECOS✔ Accepts Medicare3.1 mi
Anna Rica Castro, CRNP, FNP-BC
Nurse Practitioner
NPI 1689449357
50 W EDMONSTON DR
Rockville, MD 20852
(301) 762-7723
✔ PECOS✔ Accepts Medicare6.4 mi
Sabrina Etienne, FNP
Nurse Practitioner
NPI 1265119929
3801 INTERNATIONAL DR STE 310
Silver Spring, MD 20906
(301) 598-9717
✔ PECOS✔ Accepts Medicare8.0 mi
Philip Koi, MD
Urology
NPI 1740324912
3801 INTERNATIONAL DR STE 310
Silver Spring, MD 20906
(602) 375-1700
✔ PECOS✔ Accepts Medicare8.0 mi
Richard Kurnot, MD
Urology
NPI 1922152461
3801 INTERNATIONAL DR STE 310
Silver Spring, MD 20906
(301) 598-9717
✔ PECOS✔ Accepts Medicare8.0 mi
Ashley Matthew, MD, PHD
Urology
NPI 1710500517
3801 INTERNATIONAL DR STE 310
Silver Spring, MD 20906
(301) 598-9717
✔ PECOS8.0 mi
Anup Vora, MD
Urology
NPI 1992951586
3801 INTERNATIONAL DR SUITE 310
Silver Spring, MD 20906
(301) 598-9717
✔ PECOS✔ Accepts Medicare8.0 mi
Bernard Rogus, MD
Urology
NPI 1013926245
3801 INTERNATIONAL DR #205
Silver Spring, MD 20906
(301) 598-9717
✔ PECOS8.0 mi
Melissa Mendez, MD
Urology
NPI 1467719385
3801 INTERNATIONAL DR STE 310
Silver Spring, MD 20906
(410) 581-1600
✔ PECOS✔ Accepts Medicare8.0 mi
Bethlehem Addis, NP
Nurse Practitioner
NPI 1417445107
6410 ROCKLEDGE DR STE 503
Bethesda, MD 20817
(301) 530-1700
✔ PECOS✔ Accepts Medicare9.3 mi
Anju Johnson, CRNP
Nurse Practitioner
NPI 1104392513
6410 ROCKLEDGE DR STE 503
Bethesda, MD 20817
(301) 530-1700
✔ PECOS9.3 mi
See all 96 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 Chesapeake Urology Associates, LLC's NPI number?

The NPI number for Chesapeake Urology Associates, LLC is 1861292641. It was assigned to this organization in the NPPES registry on March 19, 2025.

Where is Chesapeake Urology Associates, LLC located?

Chesapeake Urology Associates, LLC is located at 808 W Diamond Ave, Gaithersburg, MD 20878. The listed phone number is (240) 365-0900.

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), 96 clinicians in 5 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 (63), Pathology (12) and Nurse Practitioner (11). Of these, 1 practice at this address and 28 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 Chesapeake Urology Associates, LLC was last updated on March 19, 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.