Individual provider Active NPI

Margaret Mary Brewinski Isaacs, M.D., MPH

  • Pediatrics Physician
  • Silver Spring, MD
National Provider Identifier
1801812201
Registry record updated Jul 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
D64549 Issued in MD
Practice address
10903 New Hampshire Ave
Silver Spring, MD 20993-0002
Phone
(888) 463-6332
NPI assigned
Jul 15, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 16, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X D64549 MD Primary
Public Health & General Preventive Medicine Physician 2083P0901X D64549 MD

Addresses

Primary practice location

10903 New Hampshire Ave
Silver Spring, MD 20993-0002

Mailing address

10903 New Hampshire Ave
Silver Spring, MD 20993-0002

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD
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 1

Enrollment IDStateProvider typePAC IDDetails
I20141031000050 MD Order and Referring Only - Pediatric MedicinePractitioner - Pediatric Medicine 8527063528

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
D0064549MDMDPediatrics Physician
D64549MDMDPublic Health & General Preventive Medicine Physician

NPI Registry JSON

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

{
    "created_epoch": "1152921600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784160000000",
    "number": "1801812201",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10903 NEW HAMPSHIRE AVE",
            "city": "SILVER SPRING",
            "state": "MD",
            "postal_code": "209930002"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10903 NEW HAMPSHIRE AVE",
            "city": "SILVER SPRING",
            "state": "MD",
            "postal_code": "209930002",
            "telephone_number": "888-463-6332"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BREWINSKI ISAACS",
        "first_name": "MARGARET",
        "middle_name": "MARY",
        "name_prefix": "Dr.",
        "credential": "M.D., MPH",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-07-15",
        "last_updated": "2026-07-16",
        "certification_date": "2026-07-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MD",
            "license": "D64549",
            "primary": true
        },
        {
            "code": "2083P0901X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Public Health & General Preventive Medicine",
            "state": "MD",
            "license": "D64549",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Silver Spring, MD

Sources for this page

Verify at the official NPI Registry.