DR. STEVEN G MULL MD
NPI 1215928288
Family Medicine in Rockford, IL
About Dr. Steven G Mull Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEVEN G MULL MD (NPI 1215928288) is an individual family medicine provider in Rockford, Illinois, licensed in Illinois (036070807) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Uw Health, and is a graduate of Michigan State University College Of Human Medicine (1982).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Steven G Mull Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Steven Mull reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rockford, IL 61107
- Reassigned Medicare billing, Illinois enrollment
- 474 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Uw Health
Acute Care Hospitals · Rockford, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 61107 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROCKFORD, IL 61107
ROCKFORD, IL 61107
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 Steven Mull's NPI number?
The NPI number for Steven Mull is 1215928288. It was assigned to this individual provider in the NPPES registry on October 31, 2005.
Where is Steven Mull located?
Steven Mull practices at 2473 Mcfarland Rd, Rockford, IL 61107. The listed phone number is (779) 696-0020.
What is Steven Mull's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Steven Mull enrolled in Medicare?
Yes. Steven Mull is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Steven Mull's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Mull reassigns Medicare benefits to Swedishamerican Hospital (Rockford, IL). 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 Steven Mull's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Mull accept?
Health plans from Aspirus Health Plan list Steven Mull 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.
Is Steven Mull affiliated with any hospitals?
According to CMS data, Steven Mull is affiliated with Uw Health.
When was this NPI record last updated?
The NPPES record for Steven Mull was last updated on March 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Steven G Mull, MD · NPI 1215928288
Family Medicine physician in Rockford, Illinois. Individual provider, active in the CMS NPPES registry since October 31, 2005.
## Identity
- **NPI:** 1215928288 (Entity type: Individual)
- **Enumerated:** October 31, 2005
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 036070807 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 2473 MCFARLAND RD, Rockford, IL 61107-6824
- **Phone:** (779) 696-0020 · **Fax:** (779) 696-5682
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Swedishamerican Hospital (NPI 1023568003, Rockford, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Michigan State University College Of Human Medicine, class of 1982
## Record status
- **NPPES last updated:** March 2, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1215928288) · Data from the CMS NPPES public registry.