Providers
19
Locations
1
Specialties
12
Insurance Plans
37
About Nantucket Physicians Organization
Background and practice information
Nantucket Physicians Organization is a mid-sized group medical practice based in Nantucket, MA, with 19 affiliated healthcare providers.
The practice brings together providers across multiple specialties, including certified registered nurse anesthetist, general surgery, orthopedic surgery, and urology. Its providers are in-network with 37 insurance plans, though coverage varies by individual provider and should be confirmed before scheduling.
Practice Locations
1 location
Nantucket Physicians OrganizationPrimary
57 PROSPECT ST, Nantucket, MA 025542799
(508) 825-8100
Affiliations
Hospitals where providers at Nantucket Physicians Organization hold admitting privileges
Insurance Networks
Accepted insurance plans and networks
Nantucket Physicians Organization accepts 90 plans from 11 insurers, including Cigna, Aetna, UnitedHealthcare.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
Specialties at Nantucket Physicians Organization
Provider specialties represented at this practice
Healthcare Providers
19 providers practice here
Elizabeth Holby, MD
Anesthesiology
Nantucket, MA
Penne Greer, CNA
Certified Registered Nurse Anesthetist (crna)
Nantucket, MA
Rachel Hammerschmidt, CNA
Certified Registered Nurse Anesthetist (crna)
Nantucket, MA
William Perry, CNA
Certified Registered Nurse Anesthetist (crna)
Nantucket, MA
Maria Vaz, CNA
Certified Registered Nurse Anesthetist (crna)
Nantucket, MA
Arianne Kourosh
Dermatology · Telehealth
Nantucket, MA
Margaret Koehm, MD
Family Practice
Nantucket, MA
John Hower, DO
General Surgery
Nantucket, MA
Richard Koehler, MD
General Surgery
Nantucket, MA
Francis O Connor, MD
General Surgery
Nantucket, MA
Martin Dolan, MD
Hand Surgery
Nantucket, MA
Jonathan Rose
Internal Medicine · Telehealth
Nantucket, MA
Doreen Phillips, NP
Nurse Practitioner · Telehealth
Nantucket, MA
Tiffany Blake Lamb, MD
Obstetrics/gynecology
Nantucket, MA
Raymond Monto, MD
Orthopedic Surgery · Telehealth
Nantucket, MA
John Tierney, DO
Orthopedic Surgery · Telehealth
Nantucket, MA
Alison Fassnacht, PA
Physician Assistant
Nantucket, MA
Michael Lee, MD
Urology · Telehealth
Nantucket, MA
Ricky Phelps, MD
Urology
Nantucket, MA
Frequently Asked Questions
Common questions about Nantucket Physicians Organization
How many providers are at Nantucket Physicians Organization?
Nantucket Physicians Organization has 19 affiliated healthcare providers. You can browse the full provider roster, with specialties and locations, on this page.
What specialties does Nantucket Physicians Organization offer?
The practice includes providers in certified registered nurse anesthetist, general surgery, orthopedic surgery, and urology, among others. Use the specialty filter on the provider list to find a specific type of provider.
What insurance does Nantucket Physicians Organization accept?
Providers at Nantucket Physicians Organization are collectively in-network with 37 insurance plans. Acceptance varies by individual provider, so confirm your specific plan with the office before your visit.
Where is Nantucket Physicians Organization located?
Nantucket Physicians Organization's primary location is in Nantucket, MA. See the contact section for the full address and phone number.
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