Individual provider Active NPI

Samuel Chijioke Onyewu, MBCHB

  • Anesthesiology Physician
  • Baltimore, MD
National Provider Identifier
1770901514
Registry record updated Jul 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
D0082177 Issued in MD
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

Updated by the provider on Jul 20, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
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, DC3 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 3

Enrollment IDStateProvider typePAC IDDetails
I20210810000681 MD Practitioner - Anesthesiology 6608168422 Reassigns benefits to 2 organizations
I20241127001254 VA Practitioner - AnesthesiologyPractitioner - Pain Management 6608168422 Reassigns benefits to 2 organizations
I20250225002322 DC Practitioner - Anesthesiology 6608168422 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
AnesthesiologyAlso: Pain Management
Education
Other, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mary Washington Healthcare Specialty Services, LLCGroup PAC ID 5991605826, 136 clinicians
Meritus Medical Center IncGroup PAC ID 7113811795, 730 clinicians
Medical Faculty Associates, IncGroup PAC ID 4082528898, 676 clinicians

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

LicenseStateTypeSpecialty
D0082177MDMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Meritus Medical Center Inc Current Accepting new patients
University of Maryland Anesthesiology Associates, P.a. Anesthesiology CurrentSince Jul 14, 2021 Accepting new patients
Meritus Medical Center Inc CurrentSince Sep 5, 2024 Accepting new patients
Meritus Medical Center Inc CurrentSince Sep 5, 2024 Accepting new patients
Uva Community Health Medical Group, LLC CurrentSince Oct 29, 2024 Accepting new patients
Medical Faculty Associates, Inc Anesthesiology CurrentSince Feb 5, 2025 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

  • Direct secure messaging: 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.

Hospital & facility affiliations 5

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": "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

Verify at the official NPI Registry.