Chinenyenwa Onyemaechi, MD - Medicare Psychiatry in Hillsboro, OR

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Chinenyenwa Onyemaechi, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Hillsboro, Oregon. She graduated from medical school in 2013 and has 13 years of diverse experience with area of expertise as Psychiatry. She is a member of the group practice Montgomery County Mh-mr Emergency Service and her current practice location is 335 Se 8th Ave, Hillsboro, Oregon. You can reach out to her office (for appointments etc.) via phone at (503) 681-1919.

Chinenyenwa Onyemaechi is licensed to practice in Oregon (license number MD188101) 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 1396087052.

Contact Information

Chinenyenwa Onyemaechi, MD
335 Se 8th Ave,
Hillsboro, OR 97123-4246
(503) 681-1919
Not Available

Map and Direction




Physician's Profile

Full NameChinenyenwa Onyemaechi
GenderFemale
SpecialityPsychiatry
Experience13 Years
Location335 Se 8th Ave, Hillsboro, Oregon
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:
  • Chinenyenwa Onyemaechi graduated from medical school in 2013
  NPI Data:
  • NPI Number: 1396087052
  • Provider Enumeration Date: 03/20/2013
  • Last Update Date: 11/10/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 9234438433
  • Enrollment ID: I20191031000936

Medical Identifiers

Medical identifiers for Chinenyenwa Onyemaechi such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1396087052NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry MD468783 (Pennsylvania)Secondary
2084P0800XPsychiatry & Neurology - Psychiatry MD188101 (Oregon)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Montgomery County Mh-mr Emergency Service327443526810

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. Chinenyenwa Onyemaechi allows following entities to bill medicare on her behalf.
Entity NamePhilhaven
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043316441
PECOS PAC ID: 8729991419
Enrollment ID: O20031110000103
Entity NameMontgomery County Mh-mr Emergency Service
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1386637734
PECOS PAC ID: 3274435268
Enrollment ID: O20040121000644
Entity NameButler Medical Providers
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1619493046
PECOS PAC ID: 7416840160
Enrollment ID: O20040205000830
Entity NameLancaster General Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952392383
PECOS PAC ID: 0941103683
Enrollment ID: O20040309000916
Entity NameLancaster General Hospital
Entity TypePart B Supplier - Hospital Department(s)
Entity IdentifiersNPI Number: 1306961800
PECOS PAC ID: 1254240039
Enrollment ID: O20040413001146

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. Chinenyenwa Onyemaechi 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
Chinenyenwa Onyemaechi, MD
1400 Sw 5th Ave Ste 500,
Portland, OR 97201-5537

Ph: (503) 494-8417		Chinenyenwa Onyemaechi, MD
335 Se 8th Ave,
Hillsboro, OR 97123-4246

Ph: (503) 681-1919

Reviews and Comments


Psychiatry & Neurology Doctors in Hillsboro, OR

David Franklin Cawthon, MD
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 7545 Se Tualatin Valley Hwy, Hillsboro, OR 97123
Phone: 503-681-0816    Fax: 503-681-1358
Bonnie Jo Flick, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 18650 Nw Cornell Rd, Suite 315, Hillsboro, OR 97124
Phone: 503-352-0468    Fax: 503-352-1024
Shauyaun Azimi, DO
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 10315 Ne Tanasbourne Dr, Hillsboro, OR 97124
Phone: 503-813-2000    Fax: 877-821-5101
Christine Carol Arthur, M.D.
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 10690 Ne Cornell Rd Ste 220, Hillsboro, OR 97124
Phone: 503-848-5861    Fax: 503-848-5863
Virginia Jaschke, MD
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 335 Se 8th Ave, Hillsboro, OR 97123
Phone: 503-681-1919    
Dr. Jennifer Alison Scott, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 3000 Nw Stucki Pl, Suite 220, Hillsboro, OR 97124
Phone: 503-439-8086    Fax: 503-439-9096
Zachary Masuda, MD
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 9620 Ne Tanasbourne Dr Ste 300, Hillsboro, OR 97124
Phone: 833-351-8255    

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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