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

Dr. Marianne Valesky Delach, DO

Individual provider Obstetrics & Gynecology Physician · NPI 1831385483

Dr. Marianne Valesky Delach, DO is an Obstetrics/Gynecology in Watertown, Massachusetts. Graduated from University of New England, College of Osteo Medicine in 2006, 20 years ago. Practices with Mount Auburn Professional Services Inc, a 228-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
20
Trained at
University of New England, College of Osteo Medicine
Licensed in
MA
In the registry since
2007
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

485 Arsenal St
Watertown, MA 02472-5091
Phone: (617) 972-5500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 244075 (MA)

Record details

NPI number1831385483
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedSeptember 18, 2007
Last updated in NPPESJanuary 22, 2013

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF NEW ENGLAND, COLLEGE OF OSTEO MEDICINE
Graduated 2006 (20 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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