What is John Holtan's NPI number?

John Holtan's National Provider Identifier (NPI) is 1831127224, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Holtan's specialty?

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

Where is John Holtan located?

John Holtan's practice location on file with NPPES is 5713 Strathmoor Dr, Rockford, IL 61107-7093.

What is John Holtan's phone number?

The practice phone number listed in the NPPES registry for John Holtan is (815) 398-4545.

Is John Holtan's NPI active?

Yes — John Holtan's NPI (1831127224) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

John Holtan, MD

NPI 1831127224 · Family Medicine Physician · Rockford, IL

John Holtan, MD is a Family Medicine Physician provider in Rockford, IL (NPI 1831127224).

Provider details

NPI number: 1831127224
Entity type: Individual
Primary specialty: Family Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Family Medicine PhysicianPrimary207Q00000X
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(84/100 index)

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

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
83% 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

5713 Strathmoor Dr

Suite 1

Rockford, IL 61107-7093

Phone: (815) 398-4545

Fax: (815) 399-7705

Street-level locationGet directions

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Mailing address