Dr Mary Sean O'halloran, LP - Medicare Psychologist in Longmont, CO

Dr Mary Sean O'halloran, LP is a medicare enrolled "Psychologist" provider in Longmont, Colorado. She graduated from medical school in 1989 and has 35 years of diverse experience with area of expertise as Clinical Psychologist. Her current practice location is 1751 Hover St, Ste B4, Longmont, Colorado. You can reach out to her office (for appointments etc.) via phone at (720) 635-0755.

Dr Mary Sean O'halloran is licensed to practice in Colorado (license number 2218) 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 1477123511.

Contact Information

Dr Mary Sean O'halloran, LP
1751 Hover St, Ste B4,
Longmont, CO 80501-7181
(720) 635-0755
(303) 223-3306

Map and Direction




Healthcare Provider's Profile

Full NameDr Mary Sean O'halloran
GenderFemale
SpecialityClinical Psychologist
Experience35 Years
Location1751 Hover St, Longmont, Colorado
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 Mary Sean O'halloran graduated from medical school in 1989
  NPI Data:
  • NPI Number: 1477123511
  • Provider Enumeration Date: 06/30/2021
  • Last Update Date: 09/20/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 7315344975
  • Enrollment ID: I20210923002733

Medical Identifiers

Medical identifiers for Dr Mary Sean O'halloran such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1477123511NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
103T00000XPsychologist 2218 (Colorado)Primary

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 Mary Sean O'halloran 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 Mary Sean O'halloran, LP
525 Bowen St,
Longmont, CO 80501-5333

Ph: (720) 635-0755
Dr Mary Sean O'halloran, LP
1751 Hover St, Ste B4,
Longmont, CO 80501-7181

Ph: (720) 635-0755

Reviews and Comments


Psychologist in Longmont, CO

Julia Muensterer, MA, LPCC
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Dr. Caryl L Hearst, PSY D
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Dr. Yaira Oquendo-figueroa, PHD
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Phone: 303-774-9698    
Dr. Jon Blauw, PHDNE
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Medicare: Accepting Medicare Assignments
Practice Location: 500 Kimbark St Ste 200, Longmont, CO 80501
Phone: 303-651-1515    Fax: 720-652-0408

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.