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DR. LOYD J WOLLSTADT M.D.
NPI 1356332498
Internal Medicine in Mount Morris, IL

Active since October 28, 2005PECOS Enrolled
405 CHARLES ST, UNIVERSITY PRIMARY CARE CLINIC MT MORRIS, MOUNT MORRIS, IL 61054(815) 734-6061(815) 734-9021 Get Directions Write a Review

NPPES record last updated: September 3, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Loyd J Wollstadt M.d. NPPES

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

DR. LOYD J WOLLSTADT M.D. (NPI 1356332498) is an individual internal medicine provider in Mount Morris, Illinois, licensed in Illinois (036050197) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1356332498
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. LOYD J WOLLSTADTCredential: M.D.
Location Address405 CHARLES ST, UNIVERSITY PRIMARY CARE CLINIC MT MORRISMount Morris, IL 61054-1646
Mailing Address1601 Parkview Ave, Credentialing S200Rockford, IL 61107-1822 · (815) 395-5861 · Fax (815) 395-5575
Phone(815) 734-6061
Fax(815) 734-9021
Sole ProprietorNo
Enumeration DateOctober 28, 2005
Last NPPES UpdateSeptember 3, 2010
✔ NPI 1356332498 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036050197
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
405 CHARLES ST, Mount Morris, IL 61054
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Other Identifiers 4

Other036050197IL · Il State License
Medicaid036050197IL
Medicare UPINC38343IL
Medicare PIN250470IL

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Loyd J Wollstadt 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 Reassignments

2

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

Board Of Trustees Of The University Of Illinois
Same address
Family Medicine
405 CHARLES ST
Mt Morris, IL 61054
  • Reassigned Medicare billing, Illinois enrollment
  • 2,127 clinicians in this Medicare group
NPI 1033157755 (815) 734-6061
Northern Illinois Hospice Association
25 mi
Hospice Care, Community Based
4751 HARRISON AVE
Rockford, IL 61108
  • Reassigned Medicare billing, Illinois enrollment
  • 4 clinicians in this Medicare group
NPI 1700884731 (815) 398-0500

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 61054 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
$127.46 typical visit price
range $54.80 – $168.44
Typical copayment $31.86 (range $13.70 – $42.11)
Most-billed visit code 99204
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
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 2

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

BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS
Family Medicine
405 CHARLES ST
MT MORRIS, IL 61054
Ogle County (815) 734-6061
DR. ISAAC HEONSANG CHA PHARMD, BCPS, BCADM
Pharmacist (Pharmacotherapy)
405 CHARLES ST
MOUNT MORRIS, IL 61054
Ogle County (815) 734-6061

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 Loyd Wollstadt's NPI number?

The NPI number for Loyd Wollstadt is 1356332498. It was assigned to this individual provider in the NPPES registry on October 28, 2005.

Where is Loyd Wollstadt located?

Loyd Wollstadt practices at 405 Charles St University Primary Care Clinic Mt Morris, Mount Morris, IL 61054. The listed phone number is (815) 734-6061.

What is Loyd Wollstadt's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Loyd Wollstadt enrolled in Medicare?

Yes. Loyd Wollstadt is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Loyd Wollstadt's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Loyd Wollstadt reassigns Medicare benefits to 2 organizations: Board Of Trustees Of The University Of Illinois (Mt Morris, IL) and Northern Illinois Hospice Association (Rockford, IL). 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 Loyd Wollstadt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Loyd Wollstadt was last updated on September 3, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.