1. Home
  2. Directory
  3. Iowa
  4. Marengo
  5. Nurse Anesthetist Certified Registered
  6. NPI Profile

JULIA CLARA DENNIS CRNA
NPI 1730752601
Nurse Anesthetist, Certified Registered in Marengo, IA

Active since July 20, 2021PECOS EnrolledAccepts Medicare Assignment
300 W MAY ST, MARENGO, IA 52301(319) 642-5543 Get Directions Write a Review

NPPES record last updated: January 13, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Julia Clara Dennis Crna NPPES

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

JULIA CLARA DENNIS CRNA (NPI 1730752601) is an individual nurse anesthetist, certified registered in Marengo, Iowa, licensed in Iowa (D164098) and active in the NPI registry since July 2021. She is enrolled in Medicare PECOS, is affiliated with Mercyone Dubuque Medical Center, and maintains a secondary practice location in Waterloo.

NPPES Registry Identity

NPI1730752601
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameJULIA CLARA DENNISCredential: CRNA
Location Address300 W MAY STMarengo, IA 52301-1261
Mailing Address5829 N Union RdCedar Falls, IA 50613-9365
Phone(319) 642-5543
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJuly 20, 2021
Last NPPES UpdateJanuary 13, 2025
NPPES CertifiedJanuary 13, 2025
✔ NPI 1730752601 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in IA · D164098
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
300 W MAY ST, Marengo, IA 52301
Open in Google Maps ↗

Secondary Practice Location 1

Location 11825 Logan AveWaterloo, IA 50703-1916 · Phone (319) 235-3886

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company, Wellmark Health Plan of Iowa, Inc..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

Julia Clara Dennis Crna 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.

PECOS PAC ID8123421260
PECOS Enrollment IDI20210727001069
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 Julia Dennis reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Marengo Memorial Hospital
Same address
Critical Access
300 W MAY ST
Marengo, IA 52301
  • Reassigned Medicare billing, Iowa enrollment
  • Also billed through NPI 1053368191 (Iowa)
  • 75 clinicians in this Medicare group
NPI 1356402929 (319) 642-5543
Iowa Physicians Clinic Medical Foundation
59 mi
General Practice
1518 MULBERRY AVENUE
Muscatine, IA 52761
  • Reassigned Medicare billing, Iowa enrollment
  • 1,506 clinicians in this Medicare group
NPI 1982831426 (515) 471-9300
Winneshiek Medical Center
73 mi
Primary Care
605 WASHINGTON ST
Fayette, IA 52142
  • Reassigned Medicare billing, Iowa enrollment
  • Also billed through NPI 1619922051 (Iowa)
  • 170 clinicians in this Medicare group
NPI 1245857515 (563) 382-2911
Medical Associates Clinic P C
84 mi
Multi-Specialty
1500 ASSOCIATES DR
Dubuque, IA 52002
  • Reassigned Medicare billing, Iowa enrollment
  • 272 clinicians in this Medicare group
NPI 1457300790 (563) 584-4100
Mercy Medical Center - New Hampton
88 mi
Family Medicine
308 N MAPLE AVE
New Hampton, IA 50659
  • Reassigned Medicare billing, Iowa enrollment
  • Also billed through NPI 1770651515 (Iowa)
  • 46 clinicians in this Medicare group
NPI 1568474369 (641) 394-2151

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.

Anesthesia for placement or revision of blood flow shunt 01844
Anesthesia for blood flow shunt placement or revision ensures comfort during the procedure. It involves medication to numb or induce sleep, preventing pain or discomfort. It's safe, monitored by professionals, and tailored to individual needs.
14 services12 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercyone Dubuque Medical Center

Acute Care Hospitals · Dubuque, IA
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number160069
Location250 Mercy DriveDubuque, IA 52001 · Dubuque County
Emergency services Birthing friendly

Compass Memorial Healthcare

Critical Access Hospitals · Marengo, IA
OwnershipGovernment - Local
CMS Certification Number161317
Location300 W May StMarengo, IA 52301 · Iowa County
Emergency services

Winnmed

Critical Access Hospitals · Decorah, IA
OwnershipGovernment - Local
CMS Certification Number161371
Location901 Montgomery StreetDecorah, IA 52101 · Winneshiek County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 52301 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
$122.23 typical visit price
range $52.96 – $161.40
Typical copayment $30.55 (range $13.24 – $40.35)
Most-billed visit code 99204
Established Patient
$66.36 typical visit price
range $16.91 – $131.98
Typical copayment $16.59 (range $4.22 – $32.99)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARENGO MEMORIAL HOSPITAL
General Acute Care Hospital (Critical Access)
300 W MAY ST
MARENGO, IA 52301
Iowa County (319) 642-5543
MRS. BARBARA JEAN TAYLOR MS, RD, LD
Dietitian, Registered
300 W MAY ST
MARENGO, IA 52301
Iowa County (319) 642-8092
DR. SARA MAGILL DNP
General Practice
300 W MAY ST
MARENGO, IA 52301
Iowa County (319) 642-5543
DEANNA SUE GIRLING
Occupational Therapy Assistant
300 W MAY ST
MARENGO, IA 52301
Iowa County (319) 642-8040
MRS. NICOLE NOEL ALLEN COTA
Occupational Therapy Assistant
300 W MAY ST
MARENGO, IA 52301
Iowa County (319) 642-5543
LAURA VARO MS CCC-SLP
Speech-Language Pathologist
300 W MAY ST
MARENGO, IA 52301
Iowa County (319) 642-8040
KATRINA HOTKA-TRUEMPLER APRN
Nurse Practitioner (Family)
300 W MAY ST
MARENGO, IA 52301
Iowa County (319) 642-8119
BRANDT STEVEN BECKER OTR/L
Occupational Therapist (Physical Rehabilitation)
300 W MAY ST
MARENGO, IA 52301
Iowa County (319) 642-8040

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 Julia Dennis's NPI number?

The NPI number for Julia Dennis is 1730752601. It was assigned to this individual provider in the NPPES registry on July 20, 2021.

Where is Julia Dennis located?

Julia Dennis practices at 300 W May St, Marengo, IA 52301. The listed phone number is (319) 642-5543.

What is Julia Dennis's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Julia Dennis enrolled in Medicare?

Yes. Julia Dennis 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 organizations bill Medicare for Julia Dennis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Julia Dennis reassigns Medicare benefits to 5 organizations: Marengo Memorial Hospital (Marengo, IA), Iowa Physicians Clinic Medical Foundation (Muscatine, IA), Winneshiek Medical Center (Fayette, IA), Medical Associates Clinic P C (Dubuque, IA) and Mercy Medical Center - New Hampton (New Hampton, 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 Julia Dennis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Julia Dennis accept?

Health plans from Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Julia Dennis 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 Julia Dennis affiliated with any hospitals?

According to CMS data, Julia Dennis is affiliated with Mercyone Dubuque Medical Center, Compass Memorial Healthcare and Winnmed.

When was this NPI record last updated?

The NPPES record for Julia Dennis was last updated on January 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.