Mary Greteman, ARNP, NNP-BC
NPI 1053547471 · Critical Care Neonatal Nurse Practitioner · Iowa City, IA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Greteman, ARNP, NNP-BC is a Critical Care Neonatal Nurse Practitioner provider in Iowa City, IA (NPI 1053547471).
Provider details
- NPI number
- 1053547471
- Entity type
- Individual
- Primary specialty
- Critical Care Neonatal Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP, NNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- K076749 (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 tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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.
Practice location
Mailing address
Additional practice locations (1)
- 1153 W Harrison StRush University Medical CtrChicago, IL 60607Phone: (312) 942-6640
Registry dates
- Enumerated
- 2009-06-01
- Last updated
- 2018-03-17
Frequently asked questions
- What is Mary Greteman's NPI number?
- Mary Greteman's National Provider Identifier (NPI) is 1053547471, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Greteman's specialty?
- Mary Greteman is listed in the NPPES registry with a primary specialty of Critical Care Neonatal Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Greteman located?
- Mary Greteman's practice location on file with NPPES is 200 Hawkins Dr, Iowa City, IA 52242-1009.
- What is Mary Greteman's phone number?
- The practice phone number listed in the NPPES registry for Mary Greteman is (888) 573-5437.
- Does Mary Greteman accept Medicare?
- Mary Greteman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Greteman's NPI active?
- Yes — Mary Greteman's NPI (1053547471) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.