Maren Oser, CNM
NPI 1831278555 · Advanced Practice Midwife · Phila, PA
Maren Oser, CNM is a Advanced Practice Midwife provider in Phila, PA (NPI 1831278555).
Provider details
- NPI number
- 1831278555
- Entity type
- Individual
- Primary specialty
- Advanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNM
- Sex
- Female
- Sole proprietor
- No
- License
- MW010287 (PA)
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
19 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
- 2006-11-03
- Last updated
- 2014-12-22
Frequently asked questions
- What is Maren Oser's NPI number?
- Maren Oser's National Provider Identifier (NPI) is 1831278555, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maren Oser's specialty?
- Maren Oser is listed in the NPPES registry with a primary specialty of Advanced Practice Midwife (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maren Oser located?
- Maren Oser's practice location on file with NPPES is 3401 Civic Center Blvd, Phila, PA 19104-4319.
- What is Maren Oser's phone number?
- The practice phone number listed in the NPPES registry for Maren Oser is (505) 264-5530.
- Is Maren Oser's NPI active?
- Yes — Maren Oser's NPI (1831278555) is active in the NPPES registry as of the last update on 2014-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.