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

DENISE Z HARRISON MD
NPI 1073579470
Emergency Medicine in Fairfield, IA

Active since April 25, 2006PECOS Enrolled
94.07/100
CMS Quality Rating
401 W KIRKWOOD AVE, FAIRFIELD, IA 52556(641) 472-2439 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Denise Z Harrison Md NPPES

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

DENISE Z HARRISON MD (NPI 1073579470) is an individual emergency medicine provider in Fairfield, Iowa, licensed in Iowa (24695) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1073579470
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDENISE Z HARRISONCredential: MD
Location Address401 W KIRKWOOD AVEFairfield, IA 52556-2410
Mailing Address401 W Kirkwood AveFairfield, IA 52556-2410 · (641) 472-2439
Phone(641) 472-2439
Sole ProprietorNo
Enumeration DateApril 25, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1073579470 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in IA · 24695
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.
401 W KIRKWOOD AVE, Fairfield, IA 52556
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)

Denise Z Harrison 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 Denise Harrison reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Riverside Physician Services Inc
857 mi
Gastroenterology
120 KINGS WAY STE 3500
Williamsburg, VA 23185
  • Reassigned Medicare billing, Virginia enrollment
  • 1,097 clinicians in this Medicare group
NPI 1083867311 (757) 221-0750

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.
92 services87 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
79 services78 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.
62 services56 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 52556 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.

94.07/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality90.65
Promoting Interoperability95.83
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier11 claims11 services$7.10 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Denise Harrison's NPI number?

The NPI number for Denise Harrison is 1073579470. It was assigned to this individual provider in the NPPES registry on April 25, 2006.

Where is Denise Harrison located?

Denise Harrison practices at 401 W Kirkwood Ave, Fairfield, IA 52556. The listed phone number is (641) 472-2439.

What is Denise Harrison's specialty?

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

Is Denise Harrison enrolled in Medicare?

Yes. Denise Harrison is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Denise Harrison's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Denise Harrison reassigns Medicare benefits to Riverside Physician Services Inc (Williamsburg, VA). 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 Denise Harrison'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 Denise Harrison was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.