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

Dr. Stephanie Louise Koontz, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1225108160

Dr. Stephanie Louise Koontz, MD is an Obstetrics/Gynecology in Somerville, Massachusetts. Qualified in 2000, 26 years ago. Practices with Mount Auburn Professional Services Inc, a 228-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
26
Licensed in
MA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

40 Holland St
Somerville, MA 02144-2705
Phone: (617) 629-6330
Fax: (617) 629-6128
Show map & directions

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

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 220863 (MA)

Record details

NPI number1225108160
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 8, 2006
Last updated in NPPESJuly 18, 2011

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice Mount Auburn Professional Services Inc — 228 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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