1. Home
  2. Directory
  3. Iowa
  4. City
  5. Emergency Medicine
  6. NPI Profile

DR. JAMES STEWART GILL MD
NPI 1578540241
Emergency Medicine in Iowa City, IA

Active since December 23, 2005PECOS Enrolled
89.55/100
CMS Quality Rating
313 N MOUNT VERNON DR, IOWA CITY, IA 52245(319) 341-0770 Get Directions Write a Review

NPPES record last updated: March 25, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. James Stewart Gill Md NPPES

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

DR. JAMES STEWART GILL MD (NPI 1578540241) is an individual emergency medicine provider in Iowa City, Iowa, licensed in Indiana (01076970A) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1578540241
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. JAMES STEWART GILLCredential: MD
Location Address313 N MOUNT VERNON DRIowa City, IA 52245-3715
Mailing Address313 N Mount Vernon DrIowa City, IA 52245-3715 · (319) 341-0770
Phone(319) 341-0770
Sole ProprietorYes
Enumeration DateDecember 23, 2005
Last NPPES UpdateMarch 25, 2022
NPPES CertifiedMarch 25, 2022
✔ NPI 1578540241 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in IN · 01076970A
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.
Also ListedFamily MedicineTaxonomy 207Q00000X · License 35047 (IA)
313 N MOUNT VERNON DR, Iowa City, IA 52245
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. James Stewart Gill 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 Reassignment

Medicare enrollment records show James Gill reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cep America LLC
207 mi
Emergency Medicine
901 MACARTHUR BLVD
Munster, IN 46321
  • Reassigned Medicare billing, Indiana enrollment
  • 598 clinicians in this Medicare group
NPI 1518623743 (219) 836-1600

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 3

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
99 services94 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
73 services70 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
58 services51 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 52245 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
$81.84 typical visit price
range $52.96 – $161.40
Typical copayment $20.46 (range $13.24 – $40.35)
Most-billed visit code 99203
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
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.

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.

89.55/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality70.45
Improvement Activities40
Cost100

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 Gill's NPI number?

The NPI number for James Gill is 1578540241. It was assigned to this individual provider in the NPPES registry on December 23, 2005.

Where is James Gill located?

James Gill practices at 313 N Mount Vernon Dr, Iowa City, IA 52245. The listed phone number is (319) 341-0770.

What is James Gill's specialty?

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

Is James Gill enrolled in Medicare?

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

Which organization bills Medicare for James Gill's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Gill reassigns Medicare benefits to Cep America LLC (Munster, IN). 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 James Gill'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 James Gill was last updated on March 25, 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.