NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Carrie Nieman

Otolaryngology Physician in Baltimore, MD · enumerated 2011.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1245529684

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Carrie Nieman
Sex Female
Practice address 601 N Caroline St Fl 6, Baltimore, MD, 21287
Phone (410) 955-1686
Enumeration date Apr 6, 2011
Last updated in NPPES Jul 7, 2023

Taxonomy & licenses

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License N550-1128-4750 (IL) Secondary
207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License N-550-108-564-396 (MD) Primary

Other identifiers

Identifier Type State Issuer
N550-1128-4750 Other IL STATE DRIVER LICENSE
N-550-108-564-396 Other MD DRIVER'S LICENSE

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Carrie Nieman?
The National Provider Identifier (NPI) for Carrie Nieman is 1245529684, a Type 1 (individual) record in the CMS NPPES registry.
Where does Carrie Nieman practice?
The practice location on file with NPPES is in Baltimore, MD. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-07.