Individual provider Active NPI

Mark Rosenblum, MD

  • Urology Physician
  • Bethesda, MD
National Provider Identifier
1003809310
Registry record updated Oct 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Urology PhysicianTaxonomy code 208800000X
License
D0063348 Issued in MD
Practice address
6410 Rockledge Dr Ste 503
Bethesda, MD 20817-7822
Phone
(301) 530-1700
NPI assigned
Aug 23, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 29, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Urology Physician 208800000X MD035492 DC
Urology Physician 208800000X D0063348 MD Primary
Urology Physician 208800000X 0101287326 VA

Addresses

Primary practice location

6410 Rockledge Dr Ste 503
Bethesda, MD 20817-7822

Mailing address

25 Crossroads Dr Ste 306
Owings Mills, MD 21117-5437
Phone (443) 738-2872

Other practice location 1

1840 Amherst St
Winchester, VA 22601-2808
Phone (540) 536-8000

Other practice location 2

1712 Amherst St
Winchester, VA 22601-2807
Phone (540) 667-1712

Other identifiers 1

IdentifierTypeStateIssuer
872104100MedicaidMD

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address mrosenblum1506458@ValleyHealth.direct-ci.com
Direct Messaging Address mrosenblum1506458@ValleyHealth.direct-ci.com

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC, MD, VA3 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20050815000118 DC Practitioner - Urology 1557391182 Reassigns benefits to 1 organization
I20241008000338 MD Practitioner - Urology 1557391182 Reassigns benefits to 1 organization
I20251118003040 VA Practitioner - Urology 1557391182 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Urology
Education
Other, 1990
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Medical Practices of Antietam, LLCGroup PAC ID 2567353865, 229 clinicians
Chesapeake Urology Associates LLCGroup PAC ID 4789673393, 161 clinicians

Practice addresses (Care Compare)

11110 Medical Campus Rd
Suite 228
Hagerstown, MD 21742-6727
Phone (301) 790-9350

12435 Park Potomac Ave
Suite 400
Potomac, MD 20854-6975
Phone (443) 738-2872

19851 Observation Dr
Germantown, MD 20876-4139
Phone (301) 258-1919

3801 International Dr
Silver Spring, MD 20906-1550
Phone (301) 598-9171

6410 Rockledge Dr
Suite 503
Bethesda, MD 20817-7822
Phone (301) 530-1700

9420 Key W Ave
Suite 420
Rockville, MD 20850-6509
Phone (301) 258-1919

Hospital & facility affiliations

  • Suburban Hospital Hospital, Bethesda, MD, CCN 210022
  • Meritus Medical Center Hospital, Hagerstown, MD, CCN 210001
  • Sibley Memorial Hospital Hospital, Washington, DC, CCN 090005

Procedures performed for Medicare patients

ProcedureNumber of procedures
Prostate resection33

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MD035492DCMDUrology Physician
D0063348MDMDUrology Physician
0101287326VAMDUrology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Chesapeake Urology Associates LLC Urology CurrentSince Jun 1, 2017 Accepting new patients
Winchester Medical Center Current Accepting new patients
Winchester Medical Center, Inc. Urology CurrentSince Oct 7, 2025 Accepting new patients
Shenandoah Valley Pathology Laboratories Inc Current Accepting new patients
Medical Practices of Antietam, LLC CurrentSince Jul 25, 2024 Accepting new patients
Chesapeake Urology Associates, LLC Urology CurrentSince Jun 1, 2017 Accepting new patients
Winchester Medical Center Current Accepting new patients
Medical Practices of Antietam LLC CurrentSince Jul 25, 2024 Accepting new patients
Winchester Medical Center CurrentSince Oct 7, 2025 Accepting new patients
DRS. Dorman, Gargurevich & Byrne, CHTD. Urology Past Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients
Urological Consultants PA Ambulatory Surgery Center ASC PastSince Feb 20, 2015 Accepting new patients

Locations

6410 Rockledge Dr
Ste 503
Bethesda, MD 20817
Phone (301) 530-1700

6410 Rockledge Dr
Ste 500
Bethesda, MD 20817
Phone (301) 581-0170

19851 Observation Dr
Ste 445
Germantown, MD 20876
Phone (301) 258-1919

11116 Medical Campus Rd
Hagerstown, MD 21742
Phone (301) 766-7600

11110 Medical Campus Rd
Ste 228
Hagerstown, MD 21742
Phone (301) 733-0022

25 Crossroads Dr
Ste 306
Owings Mills, MD 21117
Phone (443) 231-1681

10200 Grand Central Ave
Ste 220
Owings Mills, MD 21117

12435 Park Potomac Ave
Ste 400
Potomac, MD 20854

3801 International Dr
Ste 310
Silver Spring, MD 20906
Phone (301) 598-9171

3 Byrkit Dr
Williamsport, MD 21795
Phone (301) 582-1150

1840 Amherst St
Winchester, VA 22601
Phone (540) 536-8700

1712 Amherst St
Winchester, VA 22601
Phone (540) 667-1712

Interoperability endpoints

  • Direct secure messaging: mrosenblum158996@direct.hopkinsmedicine.org
  • Direct secure messaging: markrosenblum@tsicua.allscriptsdirect.net
  • Direct secure messaging: mrosenblum1506458@valleyhealth.direct-ci.com

Organizations & group practices 12

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 4

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1124755200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761696000000",
    "number": "1003809310",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "25 CROSSROADS DR STE 306",
            "city": "OWINGS MILLS",
            "state": "MD",
            "postal_code": "211175437",
            "telephone_number": "443-738-2872"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6410 ROCKLEDGE DR STE 503",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208177822",
            "telephone_number": "301-530-1700"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1840 Amherst St",
            "address_purpose": "LOCATION",
            "city": "Winchester",
            "state": "VA",
            "postal_code": "226012808",
            "country_code": "US",
            "telephone_number": "540-536-8000",
            "fax_number": "540-536-7780",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1712 Amherst St",
            "address_purpose": "LOCATION",
            "city": "Winchester",
            "state": "VA",
            "postal_code": "226012807",
            "country_code": "US",
            "telephone_number": "540-667-1712",
            "fax_number": "540-665-0045",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ROSENBLUM",
        "first_name": "MARK",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-23",
        "last_updated": "2025-10-29",
        "certification_date": "2025-10-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "DC",
            "license": "MD035492",
            "primary": false
        },
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "MD",
            "license": "D0063348",
            "primary": true
        },
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "VA",
            "license": "0101287326",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "872104100",
            "state": "MD"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mrosenblum1506458@ValleyHealth.direct-ci.com",
            "affiliation": "N",
            "address_1": "1840 Amherst St",
            "city": "Winchester",
            "state": "VA",
            "country_code": "US",
            "postal_code": "226012808",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mrosenblum1506458@ValleyHealth.direct-ci.com",
            "affiliation": "N",
            "address_1": "1712 Amherst St",
            "city": "Winchester",
            "state": "VA",
            "country_code": "US",
            "postal_code": "226012807",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Bethesda, MD

Sources for this page

Verify at the official NPI Registry.