DR. ROBERT ANSLEY ROOF III D.O.
NPI 1164526349
Emergency Medicine in Waterloo, IA

Active since September 11, 2006PECOS Enrolled
3421 WEST 9TH ST, WATERLOO, IA 50702(800) 458-5003 Get Directions Write a Review

NPPES record last updated: August 19, 2009. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Robert Ansley Roof Iii D.o. NPPES

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

DR. ROBERT ANSLEY ROOF III D.O. (NPI 1164526349) is an individual emergency medicine provider in Waterloo, Iowa, licensed in Iowa (02246) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1164526349
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. ROBERT ANSLEY ROOF IIICredential: D.O.
Location Address3421 WEST 9TH STWaterloo, IA 50702
Mailing Address20706 247th StDelhi, IA 52223-8416 · (563) 927-5529
Sole ProprietorYes
Enumeration DateSeptember 11, 2006
Last NPPES UpdateAugust 19, 2009
✔ NPI 1164526349 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 · 02246
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.
3421 WEST 9TH ST, Waterloo, IA 50702

Other Identifiers 3

Other1164526349IA · Blue Shield
Medicaid1164526349IA
Medicare PINIB1436019IA

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Robert Ansley Roof Iii D.o. 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

5

Medicare enrollment records show Robert Roof reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine
3421 WEST NINTH STREET
Waterloo, IA 50702
  • Reassigned Medicare billing, Iowa enrollment
  • 70 clinicians in this Medicare group
Emergency Medicine
3421 W 9TH ST
Waterloo, IA 50702
  • Reassigned Medicare billing, Iowa enrollment
  • 48 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
312 9TH ST SW
Waverly, IA 50677
  • Reassigned Medicare billing, Iowa enrollment
  • 81 clinicians in this Medicare group
Critical Access
112 JEFFERSON STREET
West Union, IA 52175
  • Reassigned Medicare billing, Iowa enrollment
  • 155 clinicians in this Medicare group
Emergency Medicine
55 UNITYPOINT WAY
Marshalltown, IA 50158
  • Reassigned Medicare billing, Iowa enrollment
  • 214 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

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.
28 services28 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50702 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.

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$6.30 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 Robert Roof's NPI number?

The NPI number for Robert Roof is 1164526349. It was assigned to this individual provider in the NPPES registry on September 11, 2006.

Where is Robert Roof located?

Robert Roof practices at 3421 West 9th St, Waterloo, IA 50702. The listed phone number is (800) 458-5003.

What is Robert Roof's specialty?

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

Is Robert Roof enrolled in Medicare?

Yes. Robert Roof is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Robert Roof's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Roof reassigns Medicare benefits to 5 organizations: Iowa Emergency Physicians LLP (Waterloo, IA), Waterloo Emergency Physicians, LLC (Waterloo, IA), Waverly Health Center (Waverly, IA), Palmer Lutheran Health Center, Inc. (West Union, IA) and Unitypoint Health - Marshalltown (Marshalltown, IA). 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 Robert Roof's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Roof accept?

Health plans from Wellmark Health Plan of Iowa, Inc. list Robert Roof 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 Robert Roof was last updated on August 19, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.