Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Byron Paul Markel, M.D.

Emergency Medicine Physician in St Petersburg, FL · enumerated 2016.

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

National Provider Identifier

1437511458

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Byron Paul Markel

Credential M.D.

Sex Male

Practice address 6500 38th Ave N Ste 308, St Petersburg, FL, 33710

Phone (727) 341-4870

Enumeration date Mar 28, 2016

Last updated in NPPES Feb 27, 2023

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License ME141087 (FL) 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 specialty is Byron Markel?

Byron Markel is registered in NPPES with the primary taxonomy of Emergency Medicine Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-02-27.