1. Home
  2. Directory
  3. Maryland
  4. Baltimore
  5. Radiology
  6. NPI Profile

AMANDA JUNE WALKER M.D.
NPI 1972804524
Radiology - Radiation Oncology in Baltimore, MD

Active since November 14, 2010PECOS Enrolled
600 N WOLFE ST, BALTIMORE, MD 21287(410) 955-7373(410) 502-1419 Get Directions Write a Review

NPPES record last updated: June 17, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 17, 2020, Nov 13, 2018 (2 updates tracked since 2018).

About Amanda June Walker M.d. NPPES

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

AMANDA JUNE WALKER M.D. (NPI 1972804524) is an individual radiation oncology provider in Baltimore, Maryland, licensed in Maryland (D79209) and active in the NPI registry since November 2010. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1972804524
Entity TypeIndividualFemale
Primary Taxonomy2085R0001X
Provider Legal NameAMANDA JUNE WALKERCredential: M.D.
Location Address600 N WOLFE STBaltimore, MD 21287-0005
Mailing Address9910 Franklin Square Dr Ste 2110Baltimore, MD 21236-4902 · (410) 933-6423
Phone(410) 955-7373
Fax(410) 502-1419
Sole ProprietorNo
Enumeration DateNovember 14, 2010
Last NPPES UpdateJune 17, 20202 updates tracked since enumeration
NPPES CertifiedJune 17, 2020
✔ NPI 1972804524 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
Licenses✔ Licensed in MD · D79209✔ Licensed in NH · 18763
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
600 N WOLFE ST, Baltimore, MD 21287
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11 Elliot WayManchester, NH 03103-3502 · Phone (603) 663-1800 · Fax (603) 668-4303
Location 2789 Central AveDover, NH 03820-2526 · Phone (603) 742-8787 · Fax (603) 740-2637

Other Identifiers 1

Medicaid3113417NH

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Amanda June Walker M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

3

Medicare enrollment records show Amanda Walker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Johns Hopkins University
Same address
Radiation Oncology
600 N WOLFE ST
Baltimore, MD 21287
  • Reassigned Medicare billing, District of Columbia enrollment
  • 42 clinicians in this Medicare group
NPI 1710106414 (410) 933-7414
Johns Hopkins University
Same address
Pediatric Allergy/Immunology
600 N WOLFE ST
Baltimore, MD 21287
  • Reassigned Medicare billing, Maryland enrollment
  • 4,483 clinicians in this Medicare group
NPI 1023018413 (410) 933-1182
Radiation Oncology Associates, PA
370 mi
Radiation Oncology
1 ELLIOT WAY, ELLIOT HOSPITAL - RADIATION ONCOLOGY
Manchester, NH 03103
  • Reassigned Medicare billing, Massachusetts and New Hampshire enrollments
  • 24 clinicians in this Medicare group
NPI 1245260272 (603) 663-1800

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 21287 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
$183.44 typical visit price
range $60.73 – $183.44
Typical copayment $45.86 (range $15.18 – $45.86)
Most-billed visit code 99205
Established Patient
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
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.

PAMELA KIMZEY DONOHUE SCD, PA-C
Physician Assistant (Medical)
600 N WOLFE ST, NELSON 2-133
BALTIMORE, MD 21287
Baltimore City (410) 955-5232
MR. CHRISTOPHER DAVID SCHRIEBER M.S., PA-C
Physician Assistant
600 N WOLFE ST, MARBURG B-186
BALTIMORE, MD 21287
Baltimore City (410) 955-8708
DR. SABRINA CHRISTINE SOPHA M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-3580
SANDRA KING D.H.
Dental Hygienist
600 N WOLFE ST, BLALOCK 266
BALTIMORE, MD 21287
Baltimore City (410) 955-6662
THERESA J RUDDY C.P.N.P., CRNP
Nurse Practitioner (Acute Care)
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5260
DR. SUMAN PAUL M.B.B.S, PHD
Internal Medicine (Medical Oncology)
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5000
MS. SARAH CATHERINE COLLICA
Psychiatry & Neurology (Psychiatry)
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (443) 287-4701
JEFF S EHRESMAN
Student in an Organized Health Care Education/Training Program
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5000

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 Amanda Walker's NPI number?

The NPI number for Amanda Walker is 1972804524. It was assigned to this individual provider in the NPPES registry on November 14, 2010.

Where is Amanda Walker located?

Amanda Walker practices at 600 N Wolfe St, Baltimore, MD 21287. The listed phone number is (410) 955-7373.

What is Amanda Walker's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Amanda Walker enrolled in Medicare?

Yes. Amanda Walker is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Amanda Walker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Amanda Walker reassigns Medicare benefits to 3 organizations: Johns Hopkins University (Baltimore, MD), Johns Hopkins University (Baltimore, MD) and Radiation Oncology Associates, PA (Manchester, NH). Each 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 Amanda Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Amanda Walker was last updated on June 17, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.