Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jacob F Markel, MD

Q: What is the NPI number for Jacob Markel?

The National Provider Identifier (NPI) for Jacob Markel is 1689133522, a Type 1 (individual) record in the CMS NPPES registry.

Orthopaedic Surgery Physician in Grand Rapids, MI · enumerated 2019.

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

National Provider Identifier

1689133522

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Registry record

Entity type Individual (Type 1)

Name Jacob F Markel

Credential MD

Sex Male

Practice address 1111 Leffingwell Ave Ne, Grand Rapids, MI, 49525

Phone (616) 459-7101

Fax (616) 464-6170

Enumeration date Mar 19, 2019

Last updated in NPPES Jun 6, 2024

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 4301510779 (MI) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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

What is the NPI number for Jacob Markel?

The National Provider Identifier (NPI) for Jacob Markel is 1689133522, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jacob Markel practice?

The practice location on file with NPPES is in Grand Rapids, MI. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-06-06.