DR. ELLEN M WALKER M.D.
NPI 1154597805
Psychiatry & Neurology - Psychiatry in Durham, NC

Q: What is Ellen Walker's NPI number?

The NPI number for Ellen Walker is 1154597805. It was assigned to this individual provider in the NPPES registry on May 2, 2008.

Q: What is Ellen Walker's specialty?

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

Q: Is Ellen Walker enrolled in Medicare?

No. Ellen Walker has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Ellen Walker was last updated on May 2, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.

Active since May 02, 2008Opted out of Medicare · through Jan 1, 2028

DUKE UNIVERSITY MEDICAL CTR, OFFICE OF RESIDENT PSYCHIATRY EDUCATION BOX 3837, DURHAM, NC 27710(919) 970-1215(919) 684-2290 Get Directions Write a Review

NPPES record last updated: May 2, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Ellen M Walker M.d. NPPES

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

DR. ELLEN M WALKER M.D. (NPI 1154597805) is an individual psychiatry provider in Durham, North Carolina, licensed in North Carolina (127889) and active in the NPI registry since May 2008. She has opted out of Medicare through January 1, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1154597805

Entity TypeIndividualFemale

Primary Taxonomy2084P0800X

Provider Legal NameDR. ELLEN M WALKERCredential: M.D.

Location AddressDUKE UNIVERSITY MEDICAL CTR, OFFICE OF RESIDENT PSYCHIATRY EDUCATION BOX 3837Durham, NC 27710-0001

Mailing Address4233 Settlement DrDurham, NC 27713-9157 · (832) 541-4766 · Fax (919) 684-2290

Phone(919) 970-1215

Fax(919) 684-2290

Sole ProprietorYes

Enumeration DateMay 2, 2008

✔ NPI 1154597805 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 · 127889

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.

DUKE UNIVERSITY MEDICAL CTR, Durham, NC 27710

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Ellen M Walker M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2024 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2024

Opt-Out In Effect ThroughJanuary 1, 2028Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27710 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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MEGAN MCVAY PHD

Psychologist (Clinical)

DUKE UNIVERSITY MEDICAL CTR, DEPARTMENT OF PSYCHIATRY
DURHAM, NC 27710

Durham County (919) 668-7216

MICHELLE BAILEY M.D.

Pediatrics

DUKE UNIVERSITY MEDICAL CTR
DURHAM, NC 27710

Durham County (919) 620-4467

JEFFREY CRAWFORD M.D.

Internal Medicine (Hematology & Oncology)

DUKE UNIVERSITY MEDICAL CTR
DURHAM, NC 27710

Durham County (919) 620-4467

CHARLES GERARDO M.D.

Emergency Medicine

DUKE UNIVERSITY MEDICAL CTR
DURHAM, NC 27710

Durham County (919) 620-4467

KALEY TASH

Internal Medicine

DUKE UNIVERSITY MEDICAL CTR
DURHAM, NC 27710

Durham County (727) 510-0883

REID CAMERON CHAMBERLAIN M.D.

Pediatrics (Pediatric Cardiology)

DUKE UNIVERSITY MEDICAL CTR, BOX 3951
DURHAM, NC 27710

Durham County (919) 684-3491

MEGAN CLOWSE

Internal Medicine (Rheumatology)

DUKE UNIVERSITY MEDICAL CTR
DURHAM, NC 27710

Durham County (919) 620-4467

NICOLE CALAKOS M.D., PH.D

Neurological Surgery

DUKE UNIVERSITY MEDICAL CTR
DURHAM, NC 27710

Durham County (919) 620-4467

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 Ellen Walker's NPI number?

The NPI number for Ellen Walker is 1154597805. It was assigned to this individual provider in the NPPES registry on May 2, 2008.

Where is Ellen Walker located?

Ellen Walker practices at Duke University Medical Ctr Office Of Resident Psychiatry Education Box 3837, Durham, NC 27710. The listed phone number is (919) 970-1215.

What is Ellen Walker's specialty?

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

Is Ellen Walker enrolled in Medicare?

No. Ellen Walker has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Ellen Walker was last updated on May 2, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.