Douglas Summerfield, MD

Individual Active
NPI 1518120633
Critical Care Medicine (Internal Medicine) Physician Mason City, IA

Douglas Summerfield, MD holds NPI 1518120633, with a primary taxonomy of critical care medicine (internal medicine) physician and a practice location in Mason City, IA. The number was issued on July 9, 2008 and the NPPES record was last updated on May 30, 2023. The record lists 4 taxonomy codes.

Taxonomies and licenses

TaxonomyCodeLicense
Critical Care Medicine (Internal Medicine) Physician Primary 207RC0200X 41014 (IA)
Internal Medicine Physician 207R00000X 0101246408 (VA)
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 54611 (MN)
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 105450 (MN)

Practice location

1000 4th St SW
Mason City, IA 50401-2800
Phone: (641) 428-6999

Local context

Active NPPES records list 1 provider with critical care medicine (internal medicine) physician as the primary taxonomy within 25 miles of this practice location's ZIP code.

The same primary taxonomy is listed by 28 in Iowa and 7,319 nationwide.

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

Record history

Name on record
Douglas T Summerfield
Status
Active
NPI issued
Last updated in NPPES

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

NPPES data as of · Source: CMS NPPES

Building software? Fetch this NPI programmatically with the NPILayer Provider API.

curl
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://api.npilayer.com/v1/providers/1518120633"

See the API · Get a free API key