Marcia Rellihan, D.O.
NPI 1033197298 · Obstetrics & Gynecology Nurse Practitioner · Waterloo, IA
Marcia Rellihan, D.O. is a Obstetrics & Gynecology Nurse Practitioner provider in Waterloo, IA (NPI 1033197298).
Provider details
- NPI number
- 1033197298
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 02035 (IA)
Specialties & taxonomies
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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2006-01-06
- Last updated
- 2014-08-27
Frequently asked questions
- What is Marcia Rellihan's NPI number?
- Marcia Rellihan's National Provider Identifier (NPI) is 1033197298, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcia Rellihan's specialty?
- Marcia Rellihan is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marcia Rellihan located?
- Marcia Rellihan's practice location on file with NPPES is 3421 W 9th St, Waterloo, IA 50702-5401.
- What is Marcia Rellihan's phone number?
- The practice phone number listed in the NPPES registry for Marcia Rellihan is (319) 233-8865.
- Is Marcia Rellihan's NPI active?
- Yes — Marcia Rellihan's NPI (1033197298) is active in the NPPES registry as of the last update on 2014-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.