KAREN ITZEL HAMMES ARNP
NPI 1154868149
Nurse Practitioner - Family in Iowa City, IA

Q: What is Karen Hammes's NPI number?

The NPI number for Karen Hammes is 1154868149. It was assigned to this individual provider in the NPPES registry on January 27, 2017.

Q: What is Karen Hammes's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Karen Hammes was last updated on February 5, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since January 27, 2017PECOS EnrolledAccepts Medicare Assignment

2557 N DODGE ST, IOWA CITY, IA 52245(319) 384-8822 Get Directions Write a Review

NPPES record last updated: February 5, 2017. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 5, 2017, Jan 27, 2017 (2 updates tracked since 2017).

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About Karen Itzel Hammes Arnp NPPES

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

KAREN ITZEL HAMMES ARNP (NPI 1154868149) is an individual family provider in Iowa City, Iowa, licensed in Iowa (A129729) and active in the NPI registry since January 2017. She is enrolled in Medicare PECOS, is affiliated with University Of Iowa Hospital & Clinics, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1154868149

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameKAREN ITZEL HAMMESCredential: ARNP

Location Address2557 N DODGE STIowa City, IA 52245-9556

Mailing Address2557 N Dodge StIowa City, IA 52245-9556 · (319) 384-8822

Phone(319) 384-8822

Sole ProprietorNo

Medical School CMSOtherGraduated 2013

Enumeration DateJanuary 27, 2017

Last NPPES UpdateFebruary 5, 20172 updates tracked since enumeration

✔ NPI 1154868149 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in IA · A129729

2557 N DODGE ST, Iowa City, IA 52245

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica, Sanford Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Karen Itzel Hammes Arnp 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 ID7517243256

PECOS Enrollment IDI20170413000125

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.

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

51 services31 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

34 services34 patients

Hospital Affiliations CMS Care Compare

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

University Of Iowa Hospital & Clinics

Acute Care Hospitals · Iowa City, IA

3/5 CMS rating

OwnershipGovernment - State

CMS Certification Number160058

Location200 Hawkins DriveIowa City, IA 52242 · Johnson County

Emergency services Birthing friendly

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.

Other Providers at the Same Location NPPES 3

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

LAREW INTERNAL MEDICINE PLC

Internal Medicine

2557 N DODGE ST
IOWA CITY, IA 52245

Johnson County (319) 338-1535

ASHLEY HUNT ARNP

Nurse Practitioner (Family)

2557 N DODGE ST
IOWA CITY, IA 52245

Johnson County (319) 384-8822

STATE UNIVERSITY OF IOWA

Family Medicine

2557 N DODGE ST
IOWA CITY, IA 52245

Johnson County (319) 384-8822

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 Karen Hammes's NPI number?

The NPI number for Karen Hammes is 1154868149. It was assigned to this individual provider in the NPPES registry on January 27, 2017.

Where is Karen Hammes located?

Karen Hammes practices at 2557 N Dodge St, Iowa City, IA 52245. The listed phone number is (319) 384-8822.

What is Karen Hammes's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Karen Hammes enrolled in Medicare?

Yes. Karen Hammes 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.

What insurance does Karen Hammes accept?

Health plans from Medica and Sanford Health Plan list Karen Hammes 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 Karen Hammes affiliated with any hospitals?

According to CMS data, Karen Hammes is affiliated with University Of Iowa Hospital & Clinics.

When was this NPI record last updated?

The NPPES record for Karen Hammes was last updated on February 5, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.