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DR. TAMI R WIEGMANN MD
NPI 1841398609
Pediatrics - Adolescent Medicine in Mason City, IA

Active since September 20, 2006PECOS Enrolled
910 N EISENHOWER, SUITE PEDS, MASON CITY, IA 50401(641) 422-5437(641) 422-5800 Get Directions Write a Review

NPPES record last updated: July 14, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 7, 2023, Apr 20, 2021, Aug 3, 2020 (3 updates tracked since 2020).

About Dr. Tami R Wiegmann Md NPPES

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

DR. TAMI R WIEGMANN MD (NPI 1841398609) is an individual adolescent medicine provider in Mason City, Iowa, licensed in Iowa (34013) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1841398609
Entity TypeIndividualFemale
Primary Taxonomy2080A0000X
Provider Legal NameDR. TAMI R WIEGMANNCredential: MD
Location Address910 N EISENHOWER, SUITE PEDSMason City, IA 50401-0000
Mailing Address621 S Illinois Ave, Suite 103Mason City, IA 50401-5489 · (641) 494-3041 · Fax (641) 494-3059
Phone(641) 422-5437
Fax(641) 422-5800
Sole ProprietorNo
Enumeration DateSeptember 20, 2006
Last NPPES UpdateJuly 14, 20253 updates tracked since enumeration
NPPES CertifiedJuly 14, 2025
✔ NPI 1841398609 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Adolescent MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080A0000X
License✔ Licensed in IA · 34013
Definition
A pediatrician who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.
910 N EISENHOWER, Mason City, IA 50401
Open in Google Maps ↗

Other Identifiers 2

Other42709IA · Wellmark
Medicaid0243980IA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Tami R Wiegmann Md 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 Tami Wiegmann reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

North Iowa Mercy Clinics
1.0 mi
Nephrology
910 N EISENHOWER AVE
Mason City, IA 50401
  • Reassigned Medicare billing, Iowa enrollment
  • 420 clinicians in this Medicare group
NPI 1003082736 (641) 428-7799

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

Other Providers at the Same Location NPPES 3

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

DR. ADEL F MAKAR MD
Pediatrics (Adolescent Medicine)
910 N EISENHOWER, SUITE PEDS
MASON CITY, IA 50401
Cerro Gordo County (641) 422-5437
DR. JALAJA GUNDRATHI M.D
Pediatrics
910 N EISENHOWER
MASON CITY, IA 50401
Cerro Gordo County (641) 428-5437
DR. JAFFAR A SHAIKH MD
Pediatrics (Adolescent Medicine)
910 N EISENHOWER, SUITE PEDS
MASON CITY, IA 50401
Cerro Gordo County (641) 422-5437

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 Tami Wiegmann's NPI number?

The NPI number for Tami Wiegmann is 1841398609. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Where is Tami Wiegmann located?

Tami Wiegmann practices at 910 N Eisenhower Suite Peds, Mason City, IA 50401. The listed phone number is (641) 422-5437.

What is Tami Wiegmann's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.

Is Tami Wiegmann enrolled in Medicare?

Yes. Tami Wiegmann is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Tami Wiegmann's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tami Wiegmann reassigns Medicare benefits to North Iowa Mercy Clinics (Mason City, 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 Tami Wiegmann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tami Wiegmann accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Health and 2 other insurers list Tami Wiegmann 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 Tami Wiegmann was last updated on July 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.