Erin Koser, CNM
NPI 1629506597 · Advanced Practice Midwife · York, PA
Enrolled with Medicare as Practitioner - Certified Nurse Midwife (cnm) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erin Koser, CNM is a Advanced Practice Midwife provider in York, PA (NPI 1629506597).
Provider details
- NPI number
- 1629506597
- Entity type
- Individual
- Primary specialty
- Advanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNM
- Sex
- Female
- Sole proprietor
- No
- License
- MW010449 (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
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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 (2)
- 13515 Wolfe Rd Ste DNew Freedom, PA 17349-9346Phone: (717) 812-2540Fax: (717) 715-1310
- 1600 6th Ave Ste 114York, PA 17403-2627Phone: (717) 845-9639
Registry dates
- Enumerated
- 2017-05-23
- Last updated
- 2024-06-05
- Certified
- 2024-06-05
Frequently asked questions
- What is Erin Koser's NPI number?
- Erin Koser's National Provider Identifier (NPI) is 1629506597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erin Koser's specialty?
- Erin Koser is listed in the NPPES registry with a primary specialty of Advanced Practice Midwife (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Erin Koser located?
- Erin Koser's practice location on file with NPPES is 1232 Greensprings Dr, York, PA 17402-8825.
- What is Erin Koser's phone number?
- The practice phone number listed in the NPPES registry for Erin Koser is (717) 845-9639.
- Does Erin Koser accept Medicare?
- Erin Koser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erin Koser's NPI active?
- Yes — Erin Koser's NPI (1629506597) is active in the NPPES registry as of the last update on 2024-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.