What is Ian Holland's NPI number?

Ian Holland's National Provider Identifier (NPI) is 1851239024, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ian Holland's specialty?

Ian Holland is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Ian Holland located?

Ian Holland's practice location on file with NPPES is 500 W Fort St # 111r, Boise, ID 83702-4599.

What is Ian Holland's phone number?

The practice phone number listed in the NPPES registry for Ian Holland is (208) 422-1000.

Is Ian Holland's NPI active?

Yes — Ian Holland's NPI (1851239024) is active in the NPPES registry as of the last update on 2026-04-15.

IndividualActive

Ian Holland, MD

NPI 1851239024 · Internal Medicine Physician · Boise, ID

Ian Holland, MD is a Internal Medicine Physician provider in Boise, ID (NPI 1851239024).

Provider details

NPI number: 1851239024
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 7681308 (ID)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 7681308 (ID)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(53/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

500 W Fort St # 111r

Boise, ID 83702-4599

Phone: (208) 422-1000

Street-level locationGet directions

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Mailing address