Marc Allen, MD

Marc Allen, MD holds NPI 1407817380, with a primary taxonomy of emergency medicine physician and a practice location in Willoughby, OH. The number was issued on March 30, 2006 and the NPPES record was last updated on July 13, 2026.

Taxonomies and licenses

Practice location

Local context

Active NPPES records list 483 providers with emergency medicine physician as the primary taxonomy within 25 miles of this practice location's ZIP code, 43 of them within 10 miles.

The same primary taxonomy is listed by 3,322 in Ohio and 80,573 nationwide.

These are counts from NPPES records, not a ranking or recommendation. Distances are measured between ZIP code centers, not street addresses.

Other providers at this address

• George Butler, M.D. (Emergency Medicine Physician)
• James Liggett, DO (Emergency Medicine Physician)
• Katarina Plavljanic, CNP (Family Medicine Physician)
• Sonia Kirk, MD (Emergency Medicine Physician)

Providers whose NPPES practice location has the same street address, listing those with a page here.

Nearby providers with the same primary taxonomy

• George Butler, M.D. , Willoughby, OH, same ZIP code
• James Liggett, DO , Willoughby, OH, same ZIP code
• Nitaya Yadmark, MD , Willoughby, OH, same ZIP code
• Sonia Kirk, MD , Willoughby, OH, same ZIP code
• Nicholas Gozza, MD , Mayfield Heights, OH, about 9 miles
• Robert Zimmerman, M.D. , Chardon, OH, about 11 miles
• Cynthia Katzan, MD , Warrensville Heights, OH, about 13 miles
• Joshua Sylvan, MD , Beachwood, OH, about 13 miles

Record history

Name on record

Marc Allen

Status

Active

NPI issued

March 30, 2006

Last updated in NPPES

July 13, 2026

Is this your record? Updates are made through NPPES, the official National Plan and Provider Enumeration System.

NPPES data as of September 13, 2026 · Source: CMS NPPES

curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://api.npilayer.com/v1/providers/1407817380"