What is Harold Vonk's NPI number?

Harold Vonk's National Provider Identifier (NPI) is 1023298882, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Harold Vonk's specialty?

Harold Vonk is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).

Where is Harold Vonk located?

Harold Vonk's practice location on file with NPPES is 1350 N 500 E, Logan, UT 84341-2400.

What is Harold Vonk's phone number?

The practice phone number listed in the NPPES registry for Harold Vonk is (435) 716-1980.

Is Harold Vonk's NPI active?

Yes — Harold Vonk's NPI (1023298882) is active in the NPPES registry as of the last update on 2016-06-24.

IndividualActive

Harold Vonk, M.D.

NPI 1023298882 · Rheumatology Physician · Logan, UT

Harold Vonk, M.D. is a Rheumatology Physician provider in Logan, UT (NPI 1023298882).

Provider details

NPI number: 1023298882
Entity type: Individual
Primary specialty: Rheumatology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: 169555-1205 (UT)

Practice location

1350 N 500 E

Logan, UT 84341-2400

Phone: (435) 716-1980

Street-level locationGet directions

More UT providers

Mailing address

Po Box 27128

Salt Lake City, UT 84127-0128

Specialties & taxonomies

Rheumatology PhysicianPrimary207RR0500XLicense 169555-1205 (UT)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(89/100 index)

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

Registry tenure38% of score
19 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.

Enumerated: 2007-11-09
Last updated: 2016-06-24

Frequently asked questions

What is Harold Vonk's NPI number?: Harold Vonk's National Provider Identifier (NPI) is 1023298882, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Harold Vonk's specialty?: Harold Vonk is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
Where is Harold Vonk located?: Harold Vonk's practice location on file with NPPES is 1350 N 500 E, Logan, UT 84341-2400.
What is Harold Vonk's phone number?: The practice phone number listed in the NPPES registry for Harold Vonk is (435) 716-1980.
Is Harold Vonk's NPI active?: Yes — Harold Vonk's NPI (1023298882) is active in the NPPES registry as of the last update on 2016-06-24.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions