ALLISON EDNA WALKER M.D.
NPI 1447678552
Internal Medicine - Geriatric Medicine in Syosset, NY

Q: What is Allison Walker's NPI number?

The NPI number for Allison Walker is 1447678552. It was assigned to this individual provider in the NPPES registry on April 4, 2014.

Q: What is Allison Walker's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Q: When was this NPI record last updated?

The NPPES record for Allison Walker was last updated on December 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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 April 04, 2014PECOS Enrolled

15 BURKE LN, SYOSSET, NY 11791(516) 719-5290 Get Directions Write a Review

NPPES record last updated: December 8, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 8, 2024, Jul 17, 2023 (2 updates tracked since 2023).

On this page

About Allison Edna Walker M.d. NPPES

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

ALLISON EDNA WALKER M.D. (NPI 1447678552) is an individual geriatric medicine provider in Syosset, New York, licensed in New York (282775) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1447678552

Entity TypeIndividualFemale

Primary Taxonomy207RG0300X

Provider Legal NameALLISON EDNA WALKERCredential: M.D.

Location Address15 BURKE LNSyosset, NY 11791-3932

Mailing Address15 Burke LnSyosset, NY 11791-3932 · (516) 719-5290

Phone(516) 719-5290

Sole ProprietorNo

Enumeration DateApril 4, 2014

Last NPPES UpdateDecember 8, 20242 updates tracked since enumeration

NPPES CertifiedDecember 8, 2024

✔ NPI 1447678552 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RG0300X

License✔ Licensed in NY · 282775

Definition

An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 282775 (NY)

15 BURKE LN, Syosset, NY 11791

Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Allison Edna 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 Reassignment

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

North Shore-Lij Medical PC

11 mi

Urology

1010 NORTHERN BLVD STE 110
Great Neck, NY 11021

Reassigned Medicare billing, New York enrollment
9,353 clinicians in this Medicare group

NPI 1053688572 (516) 321-7400

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306

An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.

35 services33 patients

Nursing facility discharge management, more than 30 minutes 99316

Nursing facility discharge management over 30 minutes is a comprehensive process where a healthcare team prepares you for leaving the facility. It involves creating a tailored plan, coordinating care, and ensuring a smooth transition to your next care setting.

20 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11791 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

$203.53 typical visit price

range $67.40 – $203.53

Typical copayment $50.88 (range $16.85 – $50.88)

Most-billed visit code 99205

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

Most-billed visit code 99214

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 4

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

MEAGHAN MARY LEDETSCH PMHNP-BC

Nurse Practitioner (Psychiatric/Mental Health)

15 BURKE LN
SYOSSET, NY 11791

Nassau County (516) 941-8115

CHRISTY AQUILINA

Registered Nurse (Lactation Consultant)

15 BURKE LN
SYOSSET, NY 11791

Nassau County (516) 496-6400

LANAYA SAVOCA RN

Registered Nurse (Lactation Consultant)

15 BURKE LN
SYOSSET, NY 11791

Nassau County (631) 463-7278

DR. ERICA GIOVANNA LO RE D.O.

Psychiatry & Neurology (Psychiatry)

15 BURKE LN
SYOSSET, NY 11791

Nassau County (516) 719-5250

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 Allison Walker's NPI number?

The NPI number for Allison Walker is 1447678552. It was assigned to this individual provider in the NPPES registry on April 4, 2014.

Where is Allison Walker located?

Allison Walker practices at 15 Burke Ln, Syosset, NY 11791. The listed phone number is (516) 719-5290.

What is Allison Walker's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Allison Walker enrolled in Medicare?

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

Which organization bills Medicare for Allison Walker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Allison Walker reassigns Medicare benefits to North Shore-Lij Medical PC (Great Neck, NY). 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 Allison 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 Allison Walker was last updated on December 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.