Mariah Diane Corey, PHD - Medicare Psychologist in Seatac, WA

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Mariah Diane Corey, PHD is a medicare enrolled "Psychologist" provider in Seatac, Washington. She graduated from medical school in 2024 and has 2 years of diverse experience with area of expertise as Clinical Psychologist. Her current practice location is 4040 S 188th St Ste 201, Seatac, Washington. You can reach out to her office (for appointments etc.) via phone at (206) 277-7200.

Mariah Diane Corey is licensed to practice in Washington (license number PY61663553) and she also participates in the medicare program. She may accept medicare assignments (which means she may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and her NPI Number is 1942028386.

Contact Information

Mariah Diane Corey, PHD
4040 S 188th St Ste 201,
Seatac, WA 98188-5070
(206) 277-7200
(206) 277-7202

Map and Direction




Healthcare Provider's Profile

Full NameMariah Diane Corey
GenderFemale
SpecialityClinical Psychologist
Experience2 Years
Location4040 S 188th St Ste 201, Seatac, Washington
Accepts Medicare AssignmentsMay be. She may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mariah Diane Corey graduated from medical school in 2024
  NPI Data:
  • NPI Number: 1942028386
  • Provider Enumeration Date: 10/02/2024
  • Last Update Date: 07/07/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 1153891627
  • Enrollment ID: I20260526001787

Medical Identifiers

Medical identifiers for Mariah Diane Corey such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1942028386NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
103TC0700XPsychologist - Clinical PY61663553 (Washington)Secondary
103T00000XPsychologist PY61663553 (Washington)Primary

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. Mariah Diane Corey allows following entities to bill medicare on her behalf.
Entity NameHealthpoint
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1831199454
PECOS PAC ID: 9335042886
Enrollment ID: O20040206000245

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. Mariah Diane Corey 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
Mariah Diane Corey, PHD
955 Powell Ave Sw,
Renton, WA 98057-2908

Ph: (425) 277-1311		Mariah Diane Corey, PHD
4040 S 188th St Ste 201,
Seatac, WA 98188-5070

Ph: (206) 277-7200

Reviews and Comments


Psychologist in Seatac, WA

Richard Gregory Peterson, CP
Psychologist
Medicare: Not Enrolled in Medicare
Practice Location: 19550 International Blvd Ste 200, Seatac, WA 98188
Phone: 206-485-2191    
Dr. Melanie E. Mitchell, PSY.D
Psychologist
Medicare: Not Enrolled in Medicare
Practice Location: 19550 International Blvd, Seatac, WA 98188
Phone: 206-718-6170    
Anya K Zimberoff, PSY.D.
Psychologist
Medicare: Accepting Medicare Assignments
Practice Location: 4040 S. 188th St., #201 Healthpoint, Seatac, WA 98188
Phone: 206-277-7201    Fax: 206-277-7202
Ms. Natalie Renee Scantlen, MA, EDS
Psychologist
Medicare: Not Enrolled in Medicare
Practice Location: 3211 S 194th St, Seatac, WA 98188
Phone: 206-631-3266    
Dr. Elizabeth Eileen Hubert, PHD
Psychologist
Medicare: Not Enrolled in Medicare
Practice Location: 4424 S 188th St Bldg 900, Seatac, WA 98188
Phone: 206-277-7210    

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.