Individual provider Active NPI

Bruce Robert Knolmayer, M.D.

  • Orthopaedic Surgery Physician
  • Montgomry Village, MD
National Provider Identifier
1124020383
Registry record updated Jul 8, 2007
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
D0051684 Issued in MD
Practice address
19231 Montgomery Village Ave
Ste D21
Montgomry Village, MD 20886-5034
Phone
(301) 977-6777
Fax
(301) 977-0108
NPI assigned
Jun 1, 2005
Reactivated
Jan 22, 2007
Last updated
Jul 8, 2007By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 8, 2007

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X D0051684 MD Primary

Addresses

Primary practice location

19231 Montgomery Village Ave
Ste D21
Montgomry Village, MD 20886-5034

Mailing address

19231 Montgomery Village Ave
Ste D21
Montgomry Village, MD 20886-5034
Phone (301) 977-6777

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, DC2 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 2

Enrollment IDStateProvider typePAC IDDetails
I20100112000716 MD Practitioner - Orthopedic Surgery 2860399805 Reassigns benefits to 2 organizations
I20101022000557 DC Practitioner - Orthopedic Surgery 2860399805 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
Georgetown University School of Medicine, 1991
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Meritus Medical Center IncGroup PAC ID 7113811795, shared by 8 NPIs, 730 clinicians
Amber Hill Physical Therapy IncGroup PAC ID 8527963917, 336 clinicians
Medstar Medical Group II LLCGroup PAC ID 0547413825, 3,726 clinicians

Practice addresses (Care Compare)

11110 Medical Campus Rd
Hagerstown, MD 21742-6700

187 Thomas Johnson Dr
Frederick, MD 21702-4503

3007 Tilden St NE
Suite 5N
Washington, DC 20008-3030

3007 Tilden St NW
Washington, DC 20008-3030

3800 Reservoir Rd NW
Washington, DC 20007-2113
Phone (202) 444-2000

6410 Rockledge Dr
Bethesda, MD 20817-1844

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
82.97 of 100Reported as group
Quality
72.87
Promoting interoperability
100
Improvement activities
40
Cost
67.82

Procedures performed for Medicare patients

ProcedureNumber of procedures
Hip replacement1-10
Knee replacement44
Lower limb (leg) arthroscopy (minimally invasive joint repair)1-10
Upper limb (arm) arthroscopy (minimally invasive joint repair)17

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Medstar Medical Group II LLC CurrentSince May 8, 2025 Accepting new patients
Medstar Medical Group II LLC CurrentSince May 8, 2025 Accepting new patients
Medstar Medical Group II LLC CurrentSince May 8, 2025 Accepting new patients
Medstar Medical Group II LLC Orthopaedic Surgery CurrentSince Feb 1, 2011 Accepting new patients
MGMC, LLC CurrentSince Feb 1, 2011 Accepting new patients
Potomac Valley Sports Medicine Past Accepting new patients
Medstar Georgetown Medical Center, Inc Past Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations

1145 19th St NW
Ste 311
Washington, DC 20036
Phone (202) 429-2401

3800 Reservoir Rd NW
Washington, DC 20007
Phone (202) 687-2203

621 Ridgely Ave
Ste 201
Annapolis, MD 21401
Phone (410) 224-4887

1406 Crain Hwy S
Glen Burnie, MD 21061
Phone (410) 768-6440

18109 Prince Philip Dr
Ste 325
Olney, MD 20832
Phone (301) 774-8727

Organizations & group practices 10

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

Hospital & facility affiliations 5

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": "1117584000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1183852800000",
    "number": "1124020383",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "19231 MONTGOMERY VILLAGE AVE",
            "address_2": "STE D21",
            "city": "MONTGOMRY VILLAGE",
            "state": "MD",
            "postal_code": "208865034",
            "telephone_number": "301-977-6777",
            "fax_number": "301-977-0108"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "19231 MONTGOMERY VILLAGE AVE",
            "address_2": "STE D21",
            "city": "MONTGOMRY VILLAGE",
            "state": "MD",
            "postal_code": "208865034",
            "telephone_number": "301-977-6777",
            "fax_number": "301-977-0108"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KNOLMAYER",
        "first_name": "BRUCE",
        "middle_name": "ROBERT",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-06-01",
        "last_updated": "2007-07-08",
        "deactivation_date": "2006-03-20",
        "reactivation_date": "2007-01-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "MD",
            "license": "D0051684",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Montgomry Village, MD

Sources for this page

Verify at the official NPI Registry.