Dr John Matthew O'brien, PHD - Medicare Psychologist in Portland, ME

Dr John Matthew O'brien, PHD is a medicare enrolled "Psychologist - Clinical" provider in Portland, Maine. He graduated from medical school in 1996 and has 28 years of diverse experience with area of expertise as Clinical Psychologist. He is a member of the group practice Mental Health Associates Of Maine Llc and his current practice location is 465 Congress St, Ste 700, Portland, Maine. You can reach out to his office (for appointments etc.) via phone at (207) 773-2828.

Dr John Matthew O'brien is licensed to practice in Maine (license number PS932) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1720083504.

Contact Information

Dr John Matthew O'brien, PHD
465 Congress St, Ste 700,
Portland, ME 04101-3539
(207) 773-2828
(207) 761-8150

Map and Direction




Healthcare Provider's Profile

Full NameDr John Matthew O'brien
GenderMale
SpecialityClinical Psychologist
Experience28 Years
Location465 Congress St, Portland, Maine
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr John Matthew O'brien graduated from medical school in 1996
  NPI Data:
  • NPI Number: 1720083504
  • Provider Enumeration Date: 06/17/2005
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 2769427020
  • Enrollment ID: I20050627001032

Medical Identifiers

Medical identifiers for Dr John Matthew O'brien such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1720083504NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
103TC0700XPsychologist - Clinical PS932 (Maine)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mental Health Associates Of Maine Llc29615658172

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 John Matthew O'brien allows following entities to bill medicare on his behalf.
Entity NameMental Health Associates Of Maine Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508936196
PECOS PAC ID: 2961565817
Enrollment ID: O20090120000552

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 John Matthew O'brien 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 John Matthew O'brien, PHD
465 Congress St, Ste 700,
Portland, ME 04101-3539

Ph: (207) 773-2828
Dr John Matthew O'brien, PHD
465 Congress St, Ste 700,
Portland, ME 04101-3539

Ph: (207) 773-2828

Reviews and Comments


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