MARGARET MIRCH DYER CPNP
NPI 1225383755
Nurse Practitioner - Pediatrics in Bloomington, IN

Active since July 20, 2012PECOS Enrolled
350 S LANDMARK AVE, BLOOMINGTON, IN 47403(812) 332-9874(812) 335-7604 Get Directions Write a Review

NPPES record last updated: September 13, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 13, 2022, Jun 27, 2018 (2 updates tracked since 2018).

About Margaret Mirch Dyer Cpnp NPPES

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

MARGARET MIRCH DYER CPNP (NPI 1225383755) is an individual pediatrics provider in Bloomington, Indiana, licensed in Indiana (71012879A) and active in the NPI registry since July 2012. She is enrolled in Medicare PECOS and maintains a secondary practice location in Brookline.

NPPES Registry Identity

NPI1225383755
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameMARGARET MIRCH DYERCredential: CPNP
Location Address350 S LANDMARK AVEBloomington, IN 47403-5001
Mailing Address250 N Shadeland AveIndianapolis, IN 46219-4959
Fax(812) 335-7604
Sole ProprietorYes
Enumeration DateJuly 20, 2012
Last NPPES UpdateSeptember 13, 20222 updates tracked since enumeration
NPPES CertifiedSeptember 13, 2022
✔ NPI 1225383755 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
Licenses✔ Licensed in IN · 71012879A✔ Licensed in MA · RN2263889
350 S LANDMARK AVE, Bloomington, IN 47403

Other Names 1

Former Name (1)Margaret C Mirch Cpnp

Secondary Practice Location 1

Location 11 Brookline Pl, Suite 327Brookline, MA 02445 · Phone (617) 735-8585

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Margaret Mirch Dyer Cpnp 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 Reassignments

2

Medicare enrollment records show Margaret Dyer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
2651 E DISCOVERY PKWY
Bloomington, IN 47408
  • Reassigned Medicare billing, Indiana enrollment
  • 783 clinicians in this Medicare group
General Practice
1701 N SENATE BLVD
Indianapolis, IN 46202
  • Reassigned Medicare billing, Indiana enrollment
  • 5,212 clinicians in this Medicare group

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 47403 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
$82.04 typical visit price
range $53.07 – $161.76
Typical copayment $20.51 (range $13.26 – $40.44)
Most-billed visit code 99203
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
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.

Nurse Practitioner (Pediatrics)
350 S LANDMARK AVE
BLOOMINGTON, IN 47403
Social Worker
350 S LANDMARK AVE
BLOOMINGTON, IN 47403
Nurse Practitioner (Pediatrics)
350 S LANDMARK AVE
BLOOMINGTON, IN 47403
Pediatrics
350 S LANDMARK AVE
BLOOMINGTON, IN 47403
Counselor (Mental Health)
350 S LANDMARK AVE
BLOOMINGTON, IN 47403
Nurse Practitioner (Family)
350 S LANDMARK AVE
BLOOMINGTON, IN 47403
Pediatrics
350 S LANDMARK AVE
BLOOMINGTON, IN 47403
Pediatrics
350 S LANDMARK AVE
BLOOMINGTON, IN 47403

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 Margaret Dyer's NPI number?

The NPI number for Margaret Dyer is 1225383755. It was assigned to this individual provider in the NPPES registry on July 20, 2012. The provider is also known as Margaret C Mirch Cpnp.

Where is Margaret Dyer located?

Margaret Dyer practices at 350 S Landmark Ave, Bloomington, IN 47403. The listed phone number is (812) 332-9874.

What is Margaret Dyer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Margaret Dyer enrolled in Medicare?

Yes. Margaret Dyer is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Margaret Dyer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Dyer reassigns Medicare benefits to 2 organizations: Indiana University Health Southern Indiana Physicians, LLC (Bloomington, IN) and Iu Health Medical Group, LLC (Indianapolis, IN). Each 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 Margaret Dyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Margaret Dyer accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 2 other insurers list Margaret Dyer 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 Margaret Dyer was last updated on September 13, 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.