Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Erin E Koser, CNM

Individual provider Advanced Practice Midwife · NPI 1629506597

Erin E Koser, CNM is a Certified Nurse Midwife (CNM) in York, Pennsylvania. Qualified in 2016, 10 years ago. Practices with Pinnacle Health Medical Services, a 1,026-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
10
Licensed in
PA
In the registry since
2017
What do these letters mean?
CNM — Certified Nurse-Midwife
An advanced practice nurse who provides prenatal care and delivers babies.

See every abbreviation used in this directory →

Practice location Address checks out

1232 Greensprings Dr
York, PA 17402-8825
Phone: (717) 845-9639
Fax: (717) 715-1310
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 13515 Wolfe Rd Ste D, New Freedom, PA 17349-9346 — (717) 812-2540
  • 1600 6th Ave Ste 114, York, PA 17403-2627 — (717) 845-9639

Specialties & licences

Advanced Practice Midwife (primary) Taxonomy 367A00000X · Licence MW010449 (PA)

Record details

NPI number1629506597
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNM
Sole proprietorNo
NPI enumeratedMay 23, 2017
Last updated in NPPESJune 5, 2024
Certification dateJune 5, 2024
Mailing address1232 Greensprings Dr, York, PA 17402-8825

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED NURSE MIDWIFE (CNM)
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Pinnacle Health Medical Services — 1026 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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