Individual provider Active NPI

Teresa Niemiec, DO

  • Anesthesiology Physician
  • Baltimore, MD
National Provider Identifier
1023159944
Registry record updated Apr 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
H007133 Issued in MD
Practice address
22 S Greene St
Baltimore, MD 21201-1544
Phone
(410) 328-1239
Fax
(410) 328-5531
NPI assigned
Feb 12, 2007
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 20, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X H007133 MD Primary

Addresses

Primary practice location

22 S Greene St
Baltimore, MD 21201-1544

Mailing address

22 S Greene St
Anesthesiology, S8A
Baltimore, MD 21201-1544
Phone (410) 328-1239

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
H007133MDMDAnesthesiology Physician

Interoperability endpoints

  • Direct secure messaging: tniemiec230704@direct.umm.edu

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1171238400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776643200000",
    "number": "1023159944",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "22 S GREENE ST",
            "address_2": "ANESTHESIOLOGY, S8A",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212011544",
            "telephone_number": "410-328-1239",
            "fax_number": "410-328-5531"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22 S GREENE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212011544",
            "telephone_number": "410-328-1239",
            "fax_number": "410-328-5531"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NIEMIEC",
        "first_name": "TERESA",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2007-02-12",
        "last_updated": "2026-04-20",
        "certification_date": "2026-04-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MD",
            "license": "H007133",
            "primary": true
        }
    ],
    "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 Apr 20, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.