What is Randy Kienstra's NPI number?

Randy Kienstra's National Provider Identifier (NPI) is 1609850478, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Randy Kienstra's specialty?

Randy Kienstra is listed in the NPPES registry with a primary specialty of Pediatric Nephrology Physician (Allopathic & Osteopathic Physicians).

Where is Randy Kienstra located?

Randy Kienstra's practice location on file with NPPES is 301 N 8th St, Springfield, IL 62701-1041.

What is Randy Kienstra's phone number?

The practice phone number listed in the NPPES registry for Randy Kienstra is (217) 545-0654.

Is Randy Kienstra's NPI active?

Yes — Randy Kienstra's NPI (1609850478) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Randy Kienstra, M.D.

NPI 1609850478 · Pediatric Nephrology Physician · Springfield, IL

Randy Kienstra, M.D. is a Pediatric Nephrology Physician provider in Springfield, IL (NPI 1609850478).

Provider details

NPI number: 1609850478
Entity type: Individual
Primary specialty: Pediatric Nephrology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male

Practice location

301 N 8th St

Springfield, IL 62701-1041

Phone: (217) 545-0654

Fax: (217) 545-4117

Street-level locationGet directions

More IL providers

Mailing address

Po Box 19639

Springfield, IL 62794-9639

Specialties & taxonomies

Pediatric Nephrology PhysicianPrimary2080P0210X
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.

Enumerated: 2005-12-05
Last updated: 2007-07-08

Frequently asked questions

What is Randy Kienstra's NPI number?: Randy Kienstra's National Provider Identifier (NPI) is 1609850478, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Randy Kienstra's specialty?: Randy Kienstra is listed in the NPPES registry with a primary specialty of Pediatric Nephrology Physician (Allopathic & Osteopathic Physicians).
Where is Randy Kienstra located?: Randy Kienstra's practice location on file with NPPES is 301 N 8th St, Springfield, IL 62701-1041.
What is Randy Kienstra's phone number?: The practice phone number listed in the NPPES registry for Randy Kienstra is (217) 545-0654.
Is Randy Kienstra's NPI active?: Yes — Randy Kienstra's NPI (1609850478) is active in the NPPES registry as of the last update on 2007-07-08.

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