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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JAMES H SULLIVAN MD
NPI 1891805081
Emergency Medicine in Harvard, IL

Active since August 30, 2006PECOS Enrolled
901 GRANT STREET, HARVARD, IL 60033(815) 943-2693(815) 943-0659 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About James H Sullivan Md NPPES

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

JAMES H SULLIVAN MD (NPI 1891805081) is an individual emergency medicine provider in Harvard, Illinois, licensed in Illinois (036-097083) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891805081
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameJAMES H SULLIVANCredential: MD
Location Address901 GRANT STREETHarvard, IL 60033-1821
Mailing Address901 Grant StreetHarvard, IL 60033-1821 · (815) 943-2693 · Fax (815) 943-0659
Phone(815) 943-2693
Fax(815) 943-0659
Sole ProprietorNo
Enumeration DateAugust 30, 2006
Last NPPES UpdateSeptember 29, 2026
✔ NPI 1891805081 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in IL · 036-097083
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
901 GRANT STREET, Harvard, IL 60033
Open in Google Maps ↗

Other Identifiers 2

OtherSULLIJAMWI · Mercycare Insurance
Medicaid1891805081WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Wellmark of South Dakota, 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)

James H Sullivan 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 Reassignments

3

Medicare enrollment records show James Sullivan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rockford Health Physicians
20 mi
Multi-Specialty
8201 E RIVERSIDE BLVD
Rockford, IL 61114
  • Reassigned Medicare billing, Illinois enrollment
  • 1,375 clinicians in this Medicare group
NPI 1043242886 (608) 314-2428
Mercy Health System Corporation
28 mi
Multi-Specialty
580 N WASHINGTON ST
Janesville, WI 53548
  • Reassigned Medicare billing, Illinois enrollment
  • 671 clinicians in this Medicare group
NPI 1598718603 (608) 741-7630
City Of Brookings
428 mi
Rural Health
302 E 5TH STREET
White, SD 57276
  • Reassigned Medicare billing, South Dakota enrollment
  • 156 clinicians in this Medicare group
NPI 1912279829 (605) 696-9000

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 60033 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
$85.71 typical visit price
range $54.80 – $168.44
Typical copayment $21.42 (range $13.70 – $42.11)
Most-billed visit code 99203
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.

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 James Sullivan's NPI number?

The NPI number for James Sullivan is 1891805081. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Where is James Sullivan located?

James Sullivan practices at 901 Grant Street, Harvard, IL 60033. The listed phone number is (815) 943-2693.

What is James Sullivan's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is James Sullivan enrolled in Medicare?

Yes. James Sullivan is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for James Sullivan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Sullivan reassigns Medicare benefits to 3 organizations: Rockford Health Physicians (Rockford, IL), Mercy Health System Corporation (Janesville, WI) and City Of Brookings (White, SD). 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 James Sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Sullivan accept?

Health plans from Wellmark of South Dakota, Inc. list James Sullivan 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 James Sullivan was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days 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.