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

Leigh Alice Bretta, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1891812699

Leigh Alice Bretta, MD practises Obstetrics/Gynecology in Bangor, Maine. Graduated from University of Connecticut School of Medicine in 1997, 29 years ago. Practices with Mercy Inpatient Medical Associates Inc, a 59-clinician group and accepts Medicare assignment. Licensed in Maine.

Years since qualifying
29
Trained at
University of Connecticut School of Medicine
Licensed in
ME
In the registry since
2007
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

417 State St Webber W Ste 141
Bangor, ME 04401-6630
Phone: (207) 973-4670
Fax: (207) 973-4661
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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 016890 (ME)

Record details

NPI number1891812699
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 25, 2007
Last updated in NPPESMay 15, 2020
Certification dateMay 15, 2020

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF CONNECTICUT SCHOOL OF MEDICINE
Graduated 1997 (29 years in practice)
Group practice Mercy Inpatient Medical Associates Inc — 59 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients41
Services billed 73 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Mercy Inpatient Medical Associates Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 59 clinicians in the practice; 12 are shown here.

Other providers in Bangor