Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Carol Pappas Appel, N.P.

Nurse Practitioner in Royal Oak, MI · enumerated 2006.

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

National Provider Identifier

1053370551

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Registry record

Entity type Individual (Type 1)

Name Mrs. Carol Pappas Appel

Credential N.P.

Sex Female

Practice address 3577 W 13 Mile Rd, Suite 404, Royal Oak, MI, 48073

Phone (248) 551-6900

Fax (248) 551-6909

Enumeration date Mar 22, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 4704136445 (MI) Primary

NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP credential

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

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Carol Appel?

Carol Appel is registered in NPPES with the primary taxonomy of Nurse Practitioner. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Other providers at this practice address

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Kurt Neumann Hematology & Oncology Physician · Royal Oak, MI NPI 1285634857 Manolo Magno Hematology & Oncology Physician · Royal Oak, MI NPI 1659371151 Samer Ballouz Hematology & Oncology Physician · Royal Oak, MI NPI 1528068020 Richard Keidan Surgical Oncology Physician · Royal Oak, MI NPI 1982698031 Laura Nadeau Hematology & Oncology Physician · Royal Oak, MI NPI 1457340390 Karyn Sudbury Physician Assistant · Royal Oak, MI NPI 1245208222 Edward Feldman Medical Oncology Physician · Royal Oak, MI NPI 1992773741 Heidi Schultz Physician Assistant · Royal Oak, MI NPI 1942278569

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.