What is Clayton Milner's NPI number?

Clayton Milner's National Provider Identifier (NPI) is 1790028298, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Clayton Milner's specialty?

Clayton Milner is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Clayton Milner located?

Clayton Milner's practice location on file with NPPES is 2608 Willow St, Sioux City, IA 51106-3817.

What is Clayton Milner's phone number?

The practice phone number listed in the NPPES registry for Clayton Milner is (785) 393-8223.

Is Clayton Milner's NPI active?

Yes — Clayton Milner's NPI (1790028298) is active in the NPPES registry as of the last update on 2026-01-28.

IndividualActive

Clayton Milner, M.D.

NPI 1790028298 · Family Medicine Physician · Sioux City, IA

Clayton Milner, M.D. is a Family Medicine Physician provider in Sioux City, IA (NPI 1790028298).

Provider details

NPI number: 1790028298
Entity type: Individual
Primary specialty: Family Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: MD-43808 (IA)

Specialties & taxonomies

Family Medicine PhysicianPrimary207Q00000XLicense MD-43808 (IA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(78/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
13 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

2608 Willow St

Sioux City, IA 51106-3817

Phone: (785) 393-8223

Street-level locationGet directions

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Mailing address