Jeffrey James Knowles, MD - Medicare Psychiatry & Neurology in Salem, OR

Jeffrey James Knowles, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Salem, Oregon. His current practice location is 2600 Center St Ne, Oregon State Hospital Salem, Salem, Oregon. You can reach out to his office (for appointments etc.) via phone at (503) 945-2800.

Jeffrey James Knowles is licensed to practice in Oregon (license number MD22536) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1376618694.

Contact Information

Jeffrey James Knowles, MD
2600 Center St Ne, Oregon State Hospital Salem,
Salem, OR 97301
(503) 945-2800
Not Available

Map and Direction




Physician's Profile

Full NameJeffrey James Knowles
GenderMale
SpecialityPsychiatry & Neurology - Psychiatry
Location2600 Center St Ne, Salem, Oregon
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1376618694
  • Provider Enumeration Date: 11/21/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 9931109063
  • Enrollment ID: I20140415000511

Medical Identifiers

Medical identifiers for Jeffrey James Knowles such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1376618694NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry MD22536 (Oregon)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. Jeffrey James Knowles 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
Jeffrey James Knowles, MD
Po Box 14900, State Of Oregon Irs Init,
Salem, OR 97309-5016

Ph: (503) 945-9840
Jeffrey James Knowles, MD
2600 Center St Ne, Oregon State Hospital Salem,
Salem, OR 97301

Ph: (503) 945-2800

Reviews and Comments


Psychiatry & Neurology Doctors in Salem, OR

Dr. Benton John Davidson, MD
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Dr. Chandra Mannyam, MD
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Kyle Bowers, MD
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Phone: 503-945-2800    
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Practice Location: 2600 Center St Ne, Salem, OR 97301
Phone: 503-945-2800    
Dr. Jessica Merrifield Schemm, M.D.
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Practice Location: 2600 Center St Ne, Oregon State Hospital, Salem, OR 97301
Phone: 503-945-2800    
Dr. Thye Matthew Schuyler, MD
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Phone: 503-561-5170    
Dr. Olukayode Olugbemiga, Ayo Ogunrinde, M.D
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Medicare: Medicare Enrolled
Practice Location: 2400 Lancaster Dr Ne, Salem, OR 97305
Phone: 503-571-2727    Fax: 503-571-9443

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.

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