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DR. KAREN J DYER M.D.
NPI 1003854530
Pediatrics in Saint Joseph, MI

Active since June 04, 2006PECOS Enrolled
1234 NAPIER AVE, SAINT JOSEPH, MI 49085(269) 985-4632 Get Directions Write a Review

NPPES record last updated: July 15, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Karen J Dyer M.d. NPPES

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

DR. KAREN J DYER M.D. (NPI 1003854530) is an individual pediatrics provider in Saint Joseph, Michigan, licensed in Michigan (4301066862) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Rockford.

NPPES Registry Identity

NPI1003854530
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. KAREN J DYERCredential: M.D.
Location Address1234 NAPIER AVESaint Joseph, MI 49085-2112
Mailing Address1234 Napier AveSaint Joseph, MI 49085-2112 · (269) 985-4632
Phone(269) 985-4632
Sole ProprietorNo
Enumeration DateJune 4, 2006
Last NPPES UpdateJuly 15, 2025
NPPES CertifiedJuly 15, 2025
✔ NPI 1003854530 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in MI · 4301066862✔ Licensed in IL · 036-147114
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.
1234 NAPIER AVE, Saint Joseph, MI 49085
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Secondary Practice Location 1

Location 11401 E State StRockford, IL 61104-2315 · Phone (779) 696-4400

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Aspirus Health Plan, Priority Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Karen J Dyer 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49085 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
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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.

HANY S MESIHA MD
Internal Medicine
1234 NAPIER AVE
SAINT JOSEPH, MI 49085
Berrien County (269) 983-8300
CORY MINIER SCHMIDT MD
Pediatrics
1234 NAPIER AVE
SAINT JOSEPH, MI 49085
Berrien County (269) 985-4632
JORDAN ANDERSON
Occupational Therapist
1234 NAPIER AVE
SAINT JOSEPH, MI 49085
Berrien County (269) 983-8332
MR. NATHAN JOHN JORDAN MD
Radiology (Diagnostic Radiology)
1234 NAPIER AVE
ST JOSEPH, MI 49085
Berrien County (269) 983-8300
DR. JAMES G. SISAMIS MD
Anesthesiology
1234 NAPIER AVE
SAINT JOSEPH, MI 49085
Berrien County (269) 428-0118
DR. DIEGO P BETITA MD
Anesthesiology
1234 NAPIER AVE
SAINT JOSEPH, MI 49085
Berrien County (269) 428-0118
DR. JESSICA LYNN HAMILL SCHINDLER D.O.
Emergency Medicine
1234 NAPIER AVE, LAKELAND REGIONAL MEDICAL CENTER
SAINT JOSEPH, MI 49085
Berrien County (269) 982-4941
LAURA MILLER
Student in an Organized Health Care Education/Training Program
1234 NAPIER AVE
SAINT JOSEPH, MI 49085
Berrien County (269) 982-4941

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 Karen Dyer's NPI number?

The NPI number for Karen Dyer is 1003854530. It was assigned to this individual provider in the NPPES registry on June 4, 2006.

Where is Karen Dyer located?

Karen Dyer practices at 1234 Napier Ave, Saint Joseph, MI 49085. The listed phone number is (269) 985-4632.

What is Karen Dyer's specialty?

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

Is Karen Dyer enrolled in Medicare?

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

What insurance does Karen Dyer accept?

Health plans from Aspirus Health Plan and Priority Health list Karen 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 Karen Dyer was last updated on July 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.