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DR. DON A. SIELAFF M.D.
NPI 1144320839
Obstetrics & Gynecology in Lincoln, IL

Active since September 23, 2006
145 10TH ST, LINCOLN, IL 62656(217) 732-3182 Get Directions Write a Review

NPPES record last updated: January 21, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Don A. Sielaff M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DON A. SIELAFF M.D. (NPI 1144320839) is an individual obstetrics & gynecology provider in Lincoln, Illinois, licensed in Illinois (037-073027) and active in the NPI registry since September 2006.

NPPES Registry Identity

NPI1144320839
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. DON A. SIELAFFCredential: M.D.
Location Address145 10TH STLincoln, IL 62656-1559
Mailing Address145 10th StLincoln, IL 62656-1559 · (217) 732-3182
Phone(217) 732-3182
Sole ProprietorNo
Enumeration DateSeptember 23, 2006
Last NPPES UpdateJanuary 21, 2025
NPPES CertifiedJanuary 21, 2025
✔ NPI 1144320839 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in IL · 037-073027
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
145 10TH ST, Lincoln, IL 62656
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Other Identifiers 1

Medicaid036073027IL

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Don Sielaff's NPI number?

The NPI number for Don Sielaff is 1144320839. It was assigned to this individual provider in the NPPES registry on September 23, 2006.

Where is Don Sielaff located?

Don Sielaff practices at 145 10th St, Lincoln, IL 62656. The listed phone number is (217) 732-3182.

What is Don Sielaff's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

When was this NPI record last updated?

The NPPES record for Don Sielaff was last updated on January 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.