Active NPI
William Saway, MD
- Internal Medicine Physician
- Columbia, MD
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- D0042465
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 188292900 | Medicaid | MD |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in DC, MD
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| 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 LLCBellor Leichtling Saway and Schneider PC
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.
- The Johns Hopkins Home Health Services, Inc
- Centerwell Home Health
- Medstar Montgomery Medical Center
- Johns Hopkins Hospital, the
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| D0042465 | MD | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| MGMC, LLC | Current | Accepting new patients | |
| Medstar Medical Group II LLC | Current | Accepting new patients | |
| Medstar Medical Group II LLC | Current | Accepting new patients | |
| Bellor Leichtling Saway & Schneider PC | Current | 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
- williamsaway@cmpmd.allscriptsdirect.net
- 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.
| Facility | Type | Role | Since |
|---|---|---|---|
| Johns Hopkins Howard County Medical Center | 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.
-
- General Acute Care Hospital
- Columbia, MD
- NPI 1144291899
Corporate Director
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.
-
- General Practice Physician
- White Plains, MD
- NPI 1407559081
-
- General Practice Physician
- Chevy Chase, MD
- NPI 1003284282
-
- General Practice Physician
- Baltimore, MD
- NPI 1043801061
-
- General Practice Physician
- Baltimore, MD
- NPI 1083247894
-
- General Practice Physician
- Timonium, MD
- NPI 1457023079
-
- General Practice Physician
- Perry Hall, MD
- NPI 1487326013
-
- General Practice Physician
- Annapolis, MD
- NPI 1528874484
-
- General Practice Physician
- Baltimore, MD
- NPI 1568056547
-
- General Practice Physician
- Frederick, MD
- NPI 1619783537
Hospital & facility affiliations 8
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Home Health Agency
- Baltimore, MD
- NPI 1669551321
-
- Home Health Agency
- Forest Hill, MD
- NPI 1528352747
-
- Home Health Agency
- Columbia, MD
- NPI 1558680447
-
- Home Health Agency
- Glen Burnie, MD
- NPI 1578501789
-
- Home Health Agency
- Towson, MD
- NPI 1902843451
-
- Home Health Agency
- Columbia, MD
- NPI 1922035880
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.