Dr Alison Callahan, MD - Medicare Ophthalmology in Boston, MA

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Dr Alison Callahan, MD is a medicare enrolled "Ophthalmology" physician in Boston, Massachusetts. She went to Columbia University College Of Physicians And Surgeons and graduated in 2010 and has 14 years of diverse experience with area of expertise as Ophthalmology. She is a member of the group practice Newton Wellesley Eye Associates Pc, Dermwellesley Llc, Pratt Ophthalmology Associates Inc and her current practice location is 800 Washington St, Boston, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (617) 636-5000.

Dr Alison Callahan is licensed to practice in Massachusetts (license number 266676) 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 1992016059.

Contact Information

Dr Alison Callahan, MD
800 Washington St,
Boston, MA 02111-1552
(617) 636-5000
Not Available

Map and Direction




Physician's Profile

Full NameDr Alison Callahan
GenderFemale
SpecialityOphthalmology
Experience14 Years
Location800 Washington St, Boston, 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:
  • Dr Alison Callahan attended and graduated from Columbia University College Of Physicians And Surgeons in 2010
  NPI Data:
  • NPI Number: 1992016059
  • Provider Enumeration Date: 06/23/2010
  • Last Update Date: 01/10/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 8729246780
  • Enrollment ID: I20160928000562

Medical Identifiers

Medical identifiers for Dr Alison Callahan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1992016059NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology 266676 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Tufts Medical CenterBoston, MAHospital
Newton-wellesley HospitalNewton, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Newton Wellesley Eye Associates Pc135536174213
Dermwellesley Llc18506440719
Pratt Ophthalmology Associates Inc862896021859

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. Dr Alison Callahan allows following entities to bill medicare on her behalf.
Entity NamePratt Ophthalmology Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083660534
PECOS PAC ID: 8628960218
Enrollment ID: O20040329000101
Entity NameTallman Eye Associates Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1194833467
PECOS PAC ID: 3577501063
Enrollment ID: O20050425000836
Entity NameNewton Wellesley Eye Associates Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1962422741
PECOS PAC ID: 1355361742
Enrollment ID: O20051130000475
Entity NameTallman Eye Bidco
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033419072
PECOS PAC ID: 7315236866
Enrollment ID: O20160523001756
Entity NameDermwellesley Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1811478092
PECOS PAC ID: 1850644071
Enrollment ID: O20181105001884
Entity NameTallman Eye Whittier
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1639768229
PECOS PAC ID: 3678982352
Enrollment ID: O20210510001869

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. Dr Alison Callahan 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
Dr Alison Callahan, MD
800 Washington St,
Boston, MA 02111-1552

Ph: (617) 636-5000		Dr Alison Callahan, MD
800 Washington St,
Boston, MA 02111-1552

Ph: (617) 636-5000

Reviews and Comments


Ophthalmology Doctors in Boston, MA

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Dr. Parvathy A Pillai, M.D.
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Practice Location: 243 Charles St, Boston, MA 02114
Phone: 617-647-1226    Fax: 617-573-3181

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.

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