Zoe Ann Gillis, MD - Medicare Obstetrics/gynecology in Ayer, MA

Zoe Ann Gillis, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Ayer, Massachusetts. She went to University Of Vermont College Of Medicine and graduated in 1998 and has 26 years of diverse experience with area of expertise as Obstetrics/gynecology. She is a member of the group practice Steward Medical Group Inc and her current practice location is 198 Groton Road, Ayer, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (978) 784-9831.

Zoe Ann Gillis is licensed to practice in Massachusetts (license number 229772) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1437174141.

Contact Information

Zoe Ann Gillis, MD
198 Groton Road,
Ayer, MA 01432
(978) 784-9831
(978) 772-0113



Physician's Profile

Full NameZoe Ann Gillis
GenderFemale
SpecialityObstetrics/gynecology
Experience26 Years
Location198 Groton Road, Ayer, Massachusetts
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Zoe Ann Gillis attended and graduated from University Of Vermont College Of Medicine in 1998
  NPI Data:
  • NPI Number: 1437174141
  • Provider Enumeration Date: 07/13/2006
  • Last Update Date: 03/04/2009
  Medicare PECOS Information:
  • PECOS PAC ID: 2769488360
  • Enrollment ID: I20061004000343

Medical Identifiers

Medical identifiers for Zoe Ann Gillis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1437174141NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 229772 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Nashoba Valley Medical CenterAyer, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Steward Medical Group Inc28606887281404

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Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Zoe Ann Gillis allows following entities to bill medicare on her behalf.
Entity NameSteward Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1629398219
PECOS PAC ID: 2860688728
Enrollment ID: O20101119000007

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Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Zoe Ann Gillis is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Zoe Ann Gillis, MD
200 Groton Road, Nashoba Valley Healthcare Group,
Ayer, MA 01432

Ph: (978) 784-9000
Zoe Ann Gillis, MD
198 Groton Road,
Ayer, MA 01432

Ph: (978) 784-9831

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Obstetrics & Gynecology Doctors in Ayer, MA


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