Marsha Kavanagh, MD - Medicare Ophthalmology in Portsmouth, NH

Marsha Kavanagh, MD is a medicare enrolled "Ophthalmology" physician in Portsmouth, New Hampshire. She went to Harvard Medical School and graduated in 2001 and has 23 years of diverse experience with area of expertise as Ophthalmology. She is a member of the group practice Eyesight Ophthalmic Services Pllc and her current practice location is 155 Borthwick Ave, Suite 200 East, Portsmouth, New Hampshire. You can reach out to her office (for appointments etc.) via phone at (603) 436-1773.

Marsha Kavanagh is licensed to practice in New Hampshire (license number 13969) 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 1467403659.

Contact Information

Marsha Kavanagh, MD
155 Borthwick Ave, Suite 200 East,
Portsmouth, NH 03801-7156
(603) 436-1773
(603) 433-6244

Map and Direction




Physician's Profile

Full NameMarsha Kavanagh
GenderFemale
SpecialityOphthalmology
Experience23 Years
Location155 Borthwick Ave, Portsmouth, New Hampshire
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:
  • Marsha Kavanagh attended and graduated from Harvard Medical School in 2001
  NPI Data:
  • NPI Number: 1467403659
  • Provider Enumeration Date: 05/13/2006
  • Last Update Date: 11/29/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 0143263434
  • Enrollment ID: I20090209000547

Medical Identifiers

Medical identifiers for Marsha Kavanagh such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1467403659NPI-NPPES
30207892MedicaidNH
00A835900MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology 13969 (New Hampshire)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Wentworth-douglass HospitalDover, NHHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Eyesight Ophthalmic Services Pllc397158860915

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. Marsha Kavanagh allows following entities to bill medicare on her behalf.
Entity NameEyesight Ophthalmic Services Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073736310
PECOS PAC ID: 3971588609
Enrollment ID: O20080422000531

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. Marsha Kavanagh 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
Marsha Kavanagh, MD
155 Borthwick Ave, Suite 200 East,
Portsmouth, NH 03801-7156

Ph: (603) 436-1773
Marsha Kavanagh, MD
155 Borthwick Ave, Suite 200 East,
Portsmouth, NH 03801-7156

Ph: (603) 436-1773

Reviews and Comments


Ophthalmology Doctors in Portsmouth, NH

Richard J Lasonde, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 155 Griffin Road, Portsmouth, NH 03801
Phone: 603-430-5225    Fax: 603-430-1230
Nathaniel C Sears,
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 155 Borthwick Ave Ste 200e, Portsmouth, NH 03801
Phone: 603-436-1773    Fax: 603-427-0655
Jennifer Jing Ling, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 155 Borthwick Ave Ste 200e, Portsmouth, NH 03801
Phone: 603-436-1773    Fax: 603-427-0655
Jason Szelog, MD
Ophthalmology
Medicare: Medicare Enrolled
Practice Location: 155 Borthwick Ave Ste 200e, Portsmouth, NH 03801
Phone: 603-436-1773    Fax: 603-427-0655
Claudia Emerson Bartolini, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 155 Borthwick Ave, Suite 200 East, Portsmouth, NH 03801
Phone: 603-436-1773    Fax: 603-427-0655
Timothy W Sullivan, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 155 Borthwick Ave, Suite 200 E, Portsmouth, NH 03801
Phone: 603-436-1773    Fax: 603-427-0655

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.