Gretchen Kass, ARNP
NPI 1376809251 · Nurse Practitioner · Iowa City, IA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gretchen Kass, ARNP is a Nurse Practitioner provider in Iowa City, IA (NPI 1376809251).
Provider details
- NPI number
- 1376809251
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- A108659 (IA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
14 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$172 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 540 E Jefferson St Ste 205Iowa City, IA 52245-2479Phone: (319) 688-7880Fax: (319) 688-7881
- 500 E Market StIowa City, IA 52245-2633Phone: (319) 339-3551Fax: (319) 248-7945
Registry dates
- Enumerated
- 2012-04-05
- Last updated
- 2025-11-20
- Certified
- 2025-11-20
Frequently asked questions
- What is Gretchen Kass's NPI number?
- Gretchen Kass's National Provider Identifier (NPI) is 1376809251, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Kass's specialty?
- Gretchen Kass is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gretchen Kass located?
- Gretchen Kass's practice location on file with NPPES is 200 Hawkins Dr, Iowa City, IA 52242-1009.
- What is Gretchen Kass's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Kass is (319) 356-2496.
- Does Gretchen Kass accept Medicare?
- Gretchen Kass is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gretchen Kass's NPI active?
- Yes — Gretchen Kass's NPI (1376809251) is active in the NPPES registry as of the last update on 2025-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.