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

Meredith Meier Sen, CNM

Individual provider Advanced Practice Midwife · NPI 1275814113

Meredith Meier Sen, CNM is a Certified Nurse Midwife (CNM) in Springfield, Massachusetts. Graduated from Univ of Illinois at Chicago College of Dentistry in 2010, 16 years ago. Practices with Baystate OB/GYN Group Inc, a 20-clinician group and accepts Medicare assignment. Licensed in Illinois, Massachusetts and Maryland.

Years since qualifying
16
Trained at
Univ of Illinois at Chicago College of Dentistry
Licensed in
IL, MA, MD
In the registry since
2011
Specialties on file
3
What do these letters mean?
CNM — Certified Nurse-Midwife
An advanced practice nurse who provides prenatal care and delivers babies.

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Practice location Address checks out

3455 Main St # C
Springfield, MA 01107-1187
Phone: (413) 794-8484
Fax: (413) 794-8477
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Advanced Practice Midwife (primary) Taxonomy 367A00000X · Licence RN2324135 (MA)
Advanced Practice Midwife Taxonomy 367A00000X · Licence RN2324135 (MD)
Advanced Practice Midwife Taxonomy 367A00000X · Licence 209.008947 (IL)

Record details

NPI number1275814113
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNM
Sole proprietorNo
NPI enumeratedSeptember 6, 2011
Last updated in NPPESMay 9, 2023
Certification dateMay 9, 2023
Mailing address3455 Main St Ste C, Springfield, MA 01107-1187

Medicare enrollment

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

Medicare specialtyCERTIFIED NURSE MIDWIFE (CNM)
Medical schoolUNIV OF ILLINOIS AT CHICAGO COLLEGE OF DENTISTRY
Graduated 2010 (16 years in practice)
Group practice Baystate Ob/Gyn Group Inc — 20 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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