JOANN M ERMER-SELTUN ARNP
NPI 1801998570
Nurse Practitioner in Mason City, IA

Q: What is Joann Ermer-seltun's NPI number?

The NPI number for Joann Ermer-seltun is 1801998570. It was assigned to this individual provider in the NPPES registry on September 2, 2006.

Q: What is Joann Ermer-seltun's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Active since September 02, 2006PECOS EnrolledAccepts Medicare Assignment

1000 4TH ST SW, MASON CITY, IA 50401(641) 428-8001(641) 428-6160 Get Directions Write a Review

NPPES record last updated: July 9, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 9, 2025, Aug 15, 2022, Feb 9, 2021 and 1 more (4 updates tracked since 2020).

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About Joann M Ermer-seltun Arnp NPPES

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

JOANN M ERMER-SELTUN ARNP (NPI 1801998570) is an individual nurse practitioner in Mason City, Iowa, licensed in Iowa (072091) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, is affiliated with Mercyone North Iowa Medical Center, and maintains a secondary practice location in Mason City.

NPPES Registry Identity

NPI1801998570

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameJOANN M ERMER-SELTUNCredential: ARNP

Location Address1000 4TH ST SWMason City, IA 50401-2800

Mailing Address621 S Illinois Ave, Suite 103Mason City, IA 50401-5489 · (641) 494-3041 · Fax (641) 494-3059

Phone(641) 428-8001

Fax(641) 428-6160

Sole ProprietorNo

Medical School CMSOtherGraduated 1999

Enumeration DateSeptember 2, 2006

Last NPPES UpdateJuly 9, 20254 updates tracked since enumeration

NPPES CertifiedJuly 9, 2025

✔ NPI 1801998570 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in IA · 072091

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

1000 4TH ST SW, Mason City, IA 50401

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Secondary Practice Location 1

Location 11010 4th St SW, SUITE WHCMason City, IA 50401-2857 · Phone (641) 422-6000 · Fax (641) 422-6007

Other Identifiers 3

Other23466IA · Wellmark

OtherI16755IA · Nas Medicare Part B

Medicaid0428862IA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and more.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

Joann M Ermer-seltun 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 ID8325029697

PECOS Enrollment IDI20040525000439

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 5

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 low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

129 services88 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.

93 services65 patients

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.

87 services58 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

55 services27 patients

Application of chemical to stop tissue regrowth in wound 17250

This procedure involves applying a special chemical to a wound to prevent unwanted tissue from growing back. It aids in proper healing by ensuring only healthy tissue regrows. It's a common, safe practice in wound care.

27 services13 patients

Hospital Affiliations CMS Care Compare

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

Mercyone North Iowa Medical Center

Acute Care Hospitals · Mason City, IA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number160064

Location1000 Fourth Street SWMason City, IA 50401 · Cerro Gordo County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50401 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 22

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

Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4351

DME-Orthotic Devices · category DF008N

3 suppliers24 claims3,120 services$1.71 avg. paid by Medicare

Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each A4357

DME-Orthotic Devices · category DF000N

2 suppliers12 claims16 services$7.70 avg. paid by Medicare

Skin barrier; solid, 4 x 4 or equivalent; each A4362

DME-Orthotic Devices · category DF010N

3 suppliers56 claims1,540 services$3.31 avg. paid by Medicare

Ostomy belt, each A4367

DME-Orthotic Devices · category DF010N

2 suppliers18 claims21 services$6.53 avg. paid by Medicare

Ostomy skin barrier, liquid (spray, brush, etc.), per oz A4369

DME-Orthotic Devices · category DF010N

2 suppliers23 claims40 services$1.98 avg. paid by Medicare

Ostomy skin barrier, powder, per oz A4371

DME-Orthotic Devices · category DF010N

2 suppliers26 claims28 services$3.47 avg. paid by Medicare

Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each A4385

DME-Orthotic Devices · category DF010N

3 suppliers116 claims2,223 services$4.81 avg. paid by Medicare

Ostomy pouch, drainable, with extended wear barrier attached, (1 piece), each A4388

DME-Orthotic Devices · category DF010N

1 supplier12 claims280 services$4.23 avg. paid by Medicare

Ostomy deodorant, with or without lubricant, for use in ostomy pouch, per fluid ounce A4394

DME-Orthotic Devices · category DF010N

3 suppliers44 claims515 services$2.39 avg. paid by Medicare

Ostomy skin barrier, pectin-based, paste, per ounce A4406

DME-Orthotic Devices · category DF010N

2 suppliers20 claims99 services$5.53 avg. paid by Medicare

Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, each A4407

DME-Orthotic Devices · category DF010N

3 suppliers54 claims1,100 services$8.43 avg. paid by Medicare

Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, without built-in convexity, 4 x 4 inches or smaller, each A4409

DME-Orthotic Devices · category DF010N

2 suppliers74 claims1,110 services$5.64 avg. paid by Medicare

Ostomy pouch, closed; for use on barrier with non-locking flange, with filter (2 piece), each A4419

DME-Orthotic Devices · category DF010N

1 supplier13 claims900 services$1.56 avg. paid by Medicare

Ostomy pouch, drainable; for use on barrier with non-locking flange, with filter (2 piece system), each A4425

DME-Orthotic Devices · category DF010N

2 suppliers61 claims1,120 services$3.31 avg. paid by Medicare

Tape, waterproof, per 18 square inches A4452

DME-Medical/Surgical Supplies · category DA000N

4 suppliers18 claims2,200 services$0.37 avg. paid by Medicare

Adhesive remover, wipes, any type, each A4456

DME-Medical/Surgical Supplies · category DA000N

2 suppliers36 claims1,830 services$0.22 avg. paid by Medicare

Ostomy pouch, drainable, with extended wear barrier attached, with built in convexity, with filter, (1 piece), each A5057

DME-Orthotic Devices · category DF010N

1 supplier16 claims385 services$8.44 avg. paid by Medicare

Ostomy pouch, drainable; for use on barrier with flange (2 piece system), each A5063

DME-Orthotic Devices · category DF010N

3 suppliers35 claims870 services$2.46 avg. paid by Medicare

Skin barrier, wipes or swabs, each A5120

DME-Orthotic Devices · category DF010N

2 suppliers16 claims780 services$0.23 avg. paid by Medicare

Alginate or other fiber gelling dressing, wound cover, sterile, pad size 16 sq. in. or less, each dressing A6196

DME-Medical/Surgical Supplies · category DA023N

4 suppliers19 claims772 services$7.12 avg. paid by Medicare

Alginate or other fiber gelling dressing, wound cover, sterile, pad size more than 16 sq. in. but less than or equal to 48 sq. in., each dressing A6197

DME-Medical/Surgical Supplies · category DA023N

4 suppliers12 claims306 services$15.96 avg. paid by Medicare

Foam dressing, wound cover, sterile, pad size 16 sq. in. or less, without adhesive border, each dressing A6209

DME-Medical/Surgical Supplies · category DA023N

3 suppliers17 claims240 services$7.19 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

LINDA S VOLD LISW

Social Worker (Clinical)

1000 4TH ST SW, SUITE BS
MASON CITY, IA 50401

Cerro Gordo County (641) 422-7797

BURT HUMBURG MD

Internal Medicine

1000 4TH ST SW
MASON CITY, IA 50401

Cerro Gordo County (641) 428-7000

SUMATHY NAGRAJ IYENGAR M.D.,

Hospitalist

1000 4TH ST SW, MERCY MEDICAL CENTER-HOSPITALIST DEPT
MASON CITY, IA 50401

Cerro Gordo County (641) 428-7000

DR. SATINDERJIT SINGH M.D.

Emergency Medicine

1000 4TH ST SW
MASON CITY, IA 50401

Cerro Gordo County (641) 428-7234

ASHLEY MATERN ARNP

Nurse Practitioner (Family)

1000 4TH ST SW
MASON CITY, IA 50401

Cerro Gordo County (641) 428-6999

ROBERT D. FROEHNER CRNA

Nurse Anesthetist, Certified Registered

1000 4TH ST SW
MASON CITY, IA 50401

Cerro Gordo County (641) 422-7000

DR. THOMAS P DELANEY MD

Hospitalist

1000 4TH ST SW, SUITE HOSP
MASON CITY, IA 50401

Cerro Gordo County (641) 422-7000

NORTH IOWA MERCY CLINICS

Nurse Practitioner

1000 4TH ST SW
MASON CITY, IA 50401

Cerro Gordo County (641) 428-5932

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 Joann Ermer-seltun's NPI number?

The NPI number for Joann Ermer-seltun is 1801998570. It was assigned to this individual provider in the NPPES registry on September 2, 2006.

Where is Joann Ermer-seltun located?

Joann Ermer-seltun practices at 1000 4th St SW, Mason City, IA 50401. The listed phone number is (641) 428-8001.

What is Joann Ermer-seltun's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Joann Ermer-seltun enrolled in Medicare?

Yes. Joann Ermer-seltun 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 Joann Ermer-seltun accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan and 2 other insurers list Joann Ermer-seltun 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 Joann Ermer-seltun affiliated with any hospitals?

According to CMS data, Joann Ermer-seltun is affiliated with Mercyone North Iowa Medical Center.

When was this NPI record last updated?

The NPPES record for Joann Ermer-seltun was last updated on July 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.