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DR. JAMES DONALD KNOWLES MD
NPI 1447870803
Psychiatry & Neurology - Psychiatry in Durham, NC

Active since April 25, 2020PECOS EnrolledAccepts Medicare Assignment
5221 OAKBROOK DR, DURHAM, NC 27713(503) 260-0874 Get Directions Write a Review

NPPES record last updated: May 23, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 23, 2022, Apr 25, 2020 (2 updates tracked since 2020).

About Dr. James Donald Knowles Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JAMES DONALD KNOWLES MD (NPI 1447870803) is an individual psychiatry provider in Durham, North Carolina, licensed in North Carolina (2022-00756) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in Chapel Hill, and is a graduate of University Of North Carolina At Chapel Hill School Of Medicine (2020).

NPPES Registry Identity

NPI1447870803
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. JAMES DONALD KNOWLESCredential: MD
Location Address5221 OAKBROOK DRDurham, NC 27713-8007
Mailing AddressUnc Psychiatry Department, 101 Manning DriveChapel Hill, NC 27514 · (984) 974-5217 · Fax (984) 974-9646
Phone(503) 260-0874
Sole ProprietorNo
Medical School CMSUniversity Of North Carolina At Chapel Hill School Of MedicineGraduated 2020
Enumeration DateApril 25, 2020
Last NPPES UpdateMay 23, 20222 updates tracked since enumeration
NPPES CertifiedNovember 3, 2021
✔ NPI 1447870803 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in NC · 2022-00756
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
5221 OAKBROOK DR, Durham, NC 27713
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Secondary Practice Location 1

Location 1101 Manning DrChapel Hill, NC 27514-4220 · Phone (984) 974-1000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health Plan of North Carolina, Inc, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. James Donald Knowles Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7214368190
PECOS Enrollment IDI20251007001636
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show James Knowles reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of North Carolina At Chapel Hill
6.3 mi
Anesthesiology
101 MANNING DR
Chapel Hill, NC 27514
  • Reassigned Medicare billing, North Carolina enrollment
  • 2,797 clinicians in this Medicare group
NPI 1780669200 (984) 974-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27713 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$165.09 typical visit price
range $54.12 – $165.09
Typical copayment $41.27 (range $13.53 – $41.27)
Most-billed visit code 99205
Established Patient
$67.72 typical visit price
range $17.21 – $134.61
Typical copayment $16.93 (range $4.30 – $33.65)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is James Knowles's NPI number?

The NPI number for James Knowles is 1447870803. It was assigned to this individual provider in the NPPES registry on April 25, 2020.

Where is James Knowles located?

James Knowles practices at 5221 Oakbrook Dr, Durham, NC 27713. The listed phone number is (503) 260-0874.

What is James Knowles's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is James Knowles enrolled in Medicare?

Yes. James Knowles is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for James Knowles's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Knowles reassigns Medicare benefits to University Of North Carolina At Chapel Hill (Chapel Hill, NC). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Knowles's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Knowles accept?

Health plans from Oscar Health Plan of North Carolina, Inc and UnitedHealthcare list James Knowles as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for James Knowles was last updated on May 23, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.