Individual provider Active NPI

Maw Naing Oo, M.D.

  • Internal Medicine Physician
  • Towson, MD
National Provider Identifier
1841260569
Registry record updated Jul 8, 2007
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
DOO62239 Issued in MD
Practice address
6701 N Charles St
Suite 4202
Towson, MD 21204-6808
Phone
(410) 821-8444
Fax
(410) 821-8447
NPI assigned
Jan 25, 2006
Last updated
Jul 8, 2007By the provider in NPPES
Sex
Male
Sole proprietor
No

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
Internal Medicine Physician 207R00000X DOO62239 MD Primary

Addresses

Primary practice location

6701 N Charles St
Suite 4202
Towson, MD 21204-6808

Mailing address

6701 N Charles St
Suite 4202
Towson, MD 21204-6808
Phone (410) 821-8444

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
I20050624000086 MD Practitioner - Internal Medicine 7719922343 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 1982
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Adfinitas Health at Upper Chesapeake LLCGroup PAC ID 6305202540, 77 clinicians

Practice addresses (Care Compare)

500 Upper Chesapeake Dr
Bel Air, MD 21014-4324
Phone (443) 643-1000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
DOO62239MDMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Adfinitas Health at Upper Chesapeake, LLC CurrentSince Jul 1, 2023 Accepting new patients
Medstar Medical Group II LLC CurrentSince Dec 9, 2025 Accepting new patients
Adfinitas Health at Upper Chesapeake Aberdeen LLC CurrentSince Jul 1, 2023 Accepting new patients
Medstar Medical Group II LLC Internal Medicine CurrentSince Dec 9, 2025 Accepting new patients
Adfinitas Health at Upper Chesapeake Harford Memorial LLC CurrentSince Jul 1, 2023 Accepting new patients
Upper Chesapeake Medical Services, Inc CurrentSince Aug 15, 2011 Accepting new patients
Gary a Pichney DPM Past Accepting new patients
Upper Chesapeake Medical Center, Inc. Past Accepting new patients

Locations

660 McHenry Rd
Aberdeen, MD 21001
Phone (443) 643-1500

5601 Loch Raven Blvd
Baltimore, MD 21239
Phone (443) 444-4714

5601 Loch Raven Blvd
Ste 303
Baltimore, MD 21239
Phone (410) 323-9799

500 Upper Chesapeake Dr
Bel Air, MD 21014
Phone (443) 643-1000

29955 Three Notch Rd
Ste 100
Charlotte Hall, MD 20622
Phone (301) 290-5300

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

501 S Union Ave
Hvre de Grace, MD 21078
Phone (301) 939-2400

Interoperability endpoints

  • Direct secure messaging: moo651778@direct.umm.edu

Organizations & group practices 8

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 2

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": "1138147200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1183852800000",
    "number": "1841260569",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6701 N CHARLES ST",
            "address_2": "SUITE 4202",
            "city": "TOWSON",
            "state": "MD",
            "postal_code": "212046808",
            "telephone_number": "410-821-8444",
            "fax_number": "410-821-8447"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6701 N CHARLES ST",
            "address_2": "SUITE 4202",
            "city": "TOWSON",
            "state": "MD",
            "postal_code": "212046808",
            "telephone_number": "410-821-8444",
            "fax_number": "410-821-8447"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OO",
        "first_name": "MAW",
        "middle_name": "NAING",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-25",
        "last_updated": "2007-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "DOO62239",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Towson, MD

Sources for this page

Verify at the official NPI Registry.