Active NPI
Samuel Chijioke Onyewu, MBCHB
- Anesthesiology Physician
- Baltimore, MD
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- D0082177
- Practice address
- 22 S Greene St FL 11
Baltimore, MD 21201-1544 - Phone
- (667) 214-1616
- Fax
- (410) 328-1674
- NPI assigned
- Mar 30, 2014
- 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 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | 66462 | CT | |
| Anesthesiology Physician | 207L00000X | D0082177 | MD | Primary |
| Anesthesiology Physician | 207L00000X | 0101262259 | VA | |
| Anesthesiology Physician | 207L00000X | MD494523 | PA |
Addresses
Primary practice location
22 S Greene St FL 11
Baltimore, MD 21201-1544
Mailing address
PO Box 64374
Baltimore, MD 21264-4374
Phone (667) 214-1616
Other practice location 1
1201 Sam Perry Blvd Ste 101
Fredericksburg, VA 22401-4490
Phone (540) 741-7614
Other practice location 2
101 Hospital Center Blvd
Stafford, VA 22554-6200
Phone (540) 741-7614
Other practice location 3
1200 S Cedar Crest Blvd Fl 2
Allentown, PA 18103-6202
Phone (610) 402-6164
Other practice location 4
1001 Sam Perry Blvd
Fredericksburg, VA 22401-4453
Phone (540) 741-7614
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MD, VA, DC
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 3
Care Compare profile
Medicare Care Compare- Specialty
- Anesthesiology
- Education
- Other, 2009
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1001 Sam Perry Blvd
Fredericksburg, VA 22401-4453
Phone (540) 741-7614
11116 Medical Campus Rd
Hagerstown, MD 21742-6710
Phone (301) 790-8000
900 23Rd St NW
Washington, DC 20037-2342
Phone (202) 715-4000
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| D0082177 | MD | MD | Anesthesiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Meritus Medical Center Inc | Current | Accepting new patients | |
| University of Maryland Anesthesiology Associates, P.a. | Anesthesiology | Current | Accepting new patients |
| Meritus Medical Center Inc | Current | Accepting new patients | |
| Meritus Medical Center Inc | Current | Accepting new patients | |
| Uva Community Health Medical Group, LLC | Current | Accepting new patients | |
| Medical Faculty Associates, Inc | Anesthesiology | Current | Accepting new patients |
Locations
900 23rd St NW
Washington, DC 20037
Phone (202) 715-4750
611 S Charles St
Baltimore, MD 21230
Phone (410) 328-6331
22 S Greene St
Fl 11
Baltimore, MD 21201
Phone (410) 328-6120
22 S Greene St
Baltimore, MD 21201
Phone (410) 328-5793
11116 Medical Campus Rd
Hagerstown, MD 21742
Phone (301) 766-7600
4105 Lewis and Clark Dr
Charlottesvle, VA 22911
501 Sunset Ln
Culpeper, VA 22701
Phone (540) 829-4100
Interoperability endpoints
- sonyewu650467@direct.healthsystem.virginia.edu
Organizations & group practices 7
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.
-
- Nurse Practitioner
- Hagerstown, MD
- NPI 1205176393
-
- Anesthesiology Physician
- Washington, DC
- NPI 1417990581
-
- Anesthesiology Physician
- Fredericksburg, VA
- NPI 1821033010
-
- Anesthesiology Physician
- Baltimore, MD
- NPI 1720024235
-
- Multi-Specialty Clinic/Center
- Charlottesville, VA
- NPI 1598475741
-
- Emergency Medicine Physician
- Hagerstown, MD
- NPI 1043086630
-
- Diagnostic Radiology Physician
- Hagerstown, MD
- NPI 1184477911
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Hagerstown, MD
- NPI 1942281266
-
- General Acute Care Hospital
- Washington, DC
- NPI 1487640207
-
- General Acute Care Hospital
- Fredericksburg, VA
- NPI 1942288527
-
- Cardiovascular Disease Physician
- Fredericksburg, VA
- NPI 1013089879
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1396137600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784505600000",
"number": "1770901514",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 64374",
"city": "BALTIMORE",
"state": "MD",
"postal_code": "212644374",
"telephone_number": "667-214-1616",
"fax_number": "410-328-1674"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "22 S GREENE ST FL 11",
"city": "BALTIMORE",
"state": "MD",
"postal_code": "212011544",
"telephone_number": "667-214-1616",
"fax_number": "410-328-1674"
}
],
"practiceLocations": [
{
"address_1": "1201 Sam Perry Blvd Ste 101",
"address_purpose": "LOCATION",
"city": "Fredericksburg",
"state": "VA",
"postal_code": "224014490",
"country_code": "US",
"telephone_number": "540-741-7614",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "101 Hospital Center Blvd",
"address_purpose": "LOCATION",
"city": "Stafford",
"state": "VA",
"postal_code": "225546200",
"country_code": "US",
"telephone_number": "540-741-7614",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1200 S Cedar Crest Blvd Fl 2",
"address_purpose": "LOCATION",
"city": "Allentown",
"state": "PA",
"postal_code": "181036202",
"country_code": "US",
"telephone_number": "610-402-6164",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1001 Sam Perry Blvd",
"address_purpose": "LOCATION",
"city": "Fredericksburg",
"state": "VA",
"postal_code": "224014453",
"country_code": "US",
"telephone_number": "540-741-7614",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "ONYEWU",
"first_name": "SAMUEL",
"middle_name": "CHIJIOKE",
"name_prefix": "Dr.",
"credential": "MBCHB",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2014-03-30",
"last_updated": "2026-07-20",
"certification_date": "2026-07-20",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "CT",
"license": "66462",
"primary": false
},
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "MD",
"license": "D0082177",
"primary": true
},
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "VA",
"license": "0101262259",
"primary": false
},
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "PA",
"license": "MD494523",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Baltimore, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 20, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; 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.