JACOB KOLKER M.D.
NPI 1932631454
Pediatrics in Ames, IA

Q: What is Jacob Kolker's NPI number?

The NPI number for Jacob Kolker is 1932631454. It was assigned to this individual provider in the NPPES registry on April 3, 2017.

Q: What is Jacob Kolker's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Jacob Kolker was last updated on September 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.

Active since April 03, 2017PECOS Enrolled

1215 DUFF AVE, AMES, IA 50010(515) 239-4404 Get Directions Write a Review

NPPES record last updated: September 6, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 6, 2022, Apr 1, 2021, Feb 23, 2021 (3 updates tracked since 2021).

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About Jacob Kolker M.d. NPPES

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

JACOB KOLKER M.D. (NPI 1932631454) is an individual pediatrics provider in Ames, Iowa, licensed in Iowa (49535) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1932631454

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameJACOB KOLKERCredential: M.D.

Location Address1215 DUFF AVEAmes, IA 50010-5469

Mailing Address1215 Duff AveAmes, IA 50010-5469 · (515) 239-4400

Phone(515) 239-4404

Sole ProprietorYes

Enumeration DateApril 3, 2017

Last NPPES UpdateSeptember 6, 20223 updates tracked since enumeration

NPPES CertifiedSeptember 6, 2022

✔ NPI 1932631454 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in IA · 49535

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

1215 DUFF AVE, Ames, IA 50010

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Wellmark Health Plan of Iowa, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jacob Kolker M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Jacob Kolker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mcfarland Clinic PC

Same address

Multi-Specialty

1215 DUFF AVENUE
Ames, IA 50010

Reassigned Medicare billing, Iowa enrollment
331 clinicians in this Medicare group

NPI 1639135643 (515) 239-4400

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50010 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$81.84 typical visit price

range $52.96 – $161.40

Typical copayment $20.46 (range $13.24 – $40.35)

Most-billed visit code 99203

Established Patient

$94.05 typical visit price

range $16.91 – $131.98

Typical copayment $23.51 (range $4.22 – $32.99)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KARL HAMOUCHE

Radiology (Diagnostic Radiology)

1215 DUFF AVE
AMES, IA 50010

Story County (515) 239-4456

MARK R. MORRIS PA-C

Physician Assistant (Medical)

1215 DUFF AVE, MCFARLAND CLINIC, PC
AMES, IA 50010

Story County (515) 239-4496

NICHOLAS LELAND SKIBBA PHARMD

Pharmacist (Ambulatory Care)

1215 DUFF AVE
AMES, IA 50010

Story County (515) 239-4400

TROY MICHAEL MCDONOUGH M.S.P.T.

Physical Therapist

1215 DUFF AVE
AMES, IA 50010

Story County (515) 956-4095

BRIAN O'TOOL

Physical Therapist

1215 DUFF AVE
AMES, IA 50010

Story County (515) 956-4095

MATIAS ALBERTO GERSTNER MD

Internal Medicine

1215 DUFF AVE
AMES, IA 50010

Story County (515) 239-4431

DR. JUSTIN WADE RASH PHARMD

Pharmacist

1215 DUFF AVE
AMES, IA 50010

Story County (515) 232-7315

NATALIE NELSON

Physician Assistant

1215 DUFF AVE
AMES, IA 50010

Story County (515) 239-4475

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 Jacob Kolker's NPI number?

The NPI number for Jacob Kolker is 1932631454. It was assigned to this individual provider in the NPPES registry on April 3, 2017.

Where is Jacob Kolker located?

Jacob Kolker practices at 1215 Duff Ave, Ames, IA 50010. The listed phone number is (515) 239-4404.

What is Jacob Kolker's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Jacob Kolker enrolled in Medicare?

Yes. Jacob Kolker is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jacob Kolker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jacob Kolker reassigns Medicare benefits to Mcfarland Clinic PC (Ames, IA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jacob Kolker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jacob Kolker accept?

Health plans from Wellmark Health Plan of Iowa, Inc. list Jacob Kolker as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Jacob Kolker was last updated on September 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.