Isabel C Arrillaga-romany, MD, PHD - Medicare Neurology in Boston, MA

Isabel C Arrillaga-romany, MD, PHD is a medicare enrolled "Psychiatry & Neurology - Neurology" physician in Boston, Massachusetts. She went to Tufts University School Of Medicine and graduated in 2008 and has 16 years of diverse experience with area of expertise as Neurology. She is a member of the group practice Massachusetts General Physicians Organization Inc, The General Hospital Corporation and her current practice location is Massachusetts General Hospital, 55 Fruit Street, Boston, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (617) 726-2862.

Isabel C Arrillaga-romany is licensed to practice in Massachusetts (license number 236376) 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 1972762326.

Contact Information

Isabel C Arrillaga-romany, MD, PHD
Massachusetts General Hospital, 55 Fruit Street,
Boston, MA 02114
(617) 726-2862
Not Available

Map and Direction




Physician's Profile

Full NameIsabel C Arrillaga-romany
GenderFemale
SpecialityNeurology
Experience16 Years
LocationMassachusetts General Hospital, 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:
  • Isabel C Arrillaga-romany attended and graduated from Tufts University School Of Medicine in 2008
  NPI Data:
  • NPI Number: 1972762326
  • Provider Enumeration Date: 06/02/2008
  • Last Update Date: 07/11/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 6709053937
  • Enrollment ID: I20130903000340

Medical Identifiers

Medical identifiers for Isabel C Arrillaga-romany such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1972762326NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine L-236376 (Massachusetts)Secondary
2084N0400XPsychiatry & Neurology - Neurology 236376 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Massachusetts General HospitalBoston, MAHospital
North Shore Medical Center -Salem, MAHospital
Massachusetts Eye And Ear Infirmary -Boston, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Massachusetts General Physicians Organization Inc24663658203084
The General Hospital Corporation65078038061058

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. Isabel C Arrillaga-romany allows following entities to bill medicare on her behalf.
Entity NameMassachusetts General Physicians Organization Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801874573
PECOS PAC ID: 2466365820
Enrollment ID: O20031111000434
Entity NameThe General Hospital Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023049236
PECOS PAC ID: 6507803806
Enrollment ID: O20080313000351

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. Isabel C Arrillaga-romany 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
Isabel C Arrillaga-romany, MD, PHD
Massachusetts General Hospital, 55 Fruit Street,
Boston, MA 02114

Ph: (617) 726-2862
Isabel C Arrillaga-romany, MD, PHD
Massachusetts General Hospital, 55 Fruit Street,
Boston, MA 02114

Ph: (617) 726-2862

Reviews and Comments


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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).

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