Individual provider Active NPI

William Saway, MD

  • Internal Medicine Physician
  • Columbia, MD
National Provider Identifier
1780675652
Registry record updated Jun 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
D0042465 Issued in MD
Practice address
6220 Old Dobbin LN Ste 150
Columbia, MD 21045-5812
Phone
(410) 964-4605
Fax
(410) 740-8658
NPI assigned
Oct 31, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 17, 2026

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 D0042465 MD Primary

Addresses

Primary practice location

6220 Old Dobbin LN Ste 150
Columbia, MD 21045-5812

Mailing address

6220 Old Dobbin LN Ste 150
Columbia, MD 21045-5812
Phone (410) 964-4605

Other identifiers 1

IdentifierTypeStateIssuer
188292900MedicaidMD

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC, MD2 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
I20040224001293 DC Practitioner - Internal Medicine 4082500244 Reassigns benefits to 2 organizations
I20101124000101 MD Practitioner - Internal Medicine 4082500244 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Howard University College of Medicine, 1989
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Medstar Medical Group II LLCGroup PAC ID 0547413825, 3,726 clinicians
Bellor Leichtling Saway and Schneider PCGroup PAC ID 9436114931, 20 clinicians

Practice addresses (Care Compare)

1145 19TH St NW
311 MMG at 19TH Street NW
Washington, DC 20036-3735
Phone (202) 429-2401

18101 Prince Philip Dr
Olney, MD 20832-1514
Phone (301) 570-7404

18105 Prince Philip Dr
Olney, MD 20832-1514
Phone (301) 774-8962

5450 Knoll N Dr
Suite 275
Columbia, MD 21045-2394
Phone (410) 964-6139

622 O Old Dobbin LN
Columbia, MD 21045-5812
Phone (410) 964-6300

6220 Old Dobbin LN
Columbia, MD 21045-5812

6220 Old Dobbin LN
Suite 200
Columbia, MD 21045-5813
Phone (410) 964-5300

Hospital & facility affiliations

  • Bayada Home Health Care, Inc. Home health agency, Towson, MD, CCN 217101
  • The Johns Hopkins Home Health Services, Inc Home health agency, Baltimore, MD, CCN 217081
  • Centerwell Home Health Home health agency, Columbia, MD, CCN 217071
  • Medstar Montgomery Medical Center Hospital, Olney, MD, CCN 210018
  • Johns Hopkins Hospital, the Hospital, Baltimore, MD, CCN 210009

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
D0042465MDMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
MGMC, LLC CurrentSince Dec 6, 2012 Accepting new patients
Medstar Medical Group II LLC CurrentSince Mar 1, 2021 Accepting new patients
Medstar Medical Group II LLC CurrentSince Dec 6, 2012 Accepting new patients
Bellor Leichtling Saway & Schneider PC CurrentSince Nov 2, 2004 Accepting new patients
Mep Health, LLC Past Accepting new patients
Inpatient Specialists PA Internal Medicine Past Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients
Hospital Physician Services, LLLP Internal Medicine Past Accepting new patients
University of Maryland Pediatric Associates, PA Past Accepting new patients

Locations

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

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

6220 Old Dobbin Ln
Ste 150
Columbia, MD 21045
Phone (410) 964-4606

5450 Knoll North Dr
Ste 260
Columbia, MD 21045
Phone (410) 964-5300

5450 Knoll North Dr
Ste 275
Columbia, MD 21045
Phone (410) 964-6139

7300 Van Dusen Rd
Laurel, MD 20707
Phone (301) 725-4300

18101 Prince Philip Dr
Olney, MD 20832
Phone (301) 774-8618

18101 Prince Philip Dr
Ste 3060
Olney, MD 20832
Phone (301) 774-8689

100 Hospital Rd
Prnc Frederck, MD 20678
Phone (410) 414-4791

Interoperability endpoints

  • Direct secure messaging: williamsaway@cmpmd.allscriptsdirect.net
  • Direct secure messaging: william.saway.1@30148.direct.athenahealth.com

Ownership & related parties

All facility ownership & control disclosures 1

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Johns Hopkins Howard County Medical CenterColumbia, MD, CCN 210048 Hospital Corporate Director Jul 1, 2017

Owned or controlled facilities with NPI records 1

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

Organizations & group practices 28

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.

View all 28

Hospital & facility affiliations 8

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": "1130716800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781654400000",
    "number": "1780675652",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6220 OLD DOBBIN LN STE 150",
            "city": "COLUMBIA",
            "state": "MD",
            "postal_code": "210455812",
            "telephone_number": "410-964-4605",
            "fax_number": "410-740-8658"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6220 OLD DOBBIN LN STE 150",
            "city": "COLUMBIA",
            "state": "MD",
            "postal_code": "210455812",
            "telephone_number": "410-964-4605",
            "fax_number": "410-740-8658"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SAWAY",
        "first_name": "WILLIAM",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-31",
        "last_updated": "2026-06-17",
        "certification_date": "2026-06-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D0042465",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "188292900",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Columbia, MD

Sources for this page

Verify at the official NPI Registry.