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DR. JAN M WALKER M.D.
NPI 1346253986
Pediatrics in Williamson, NY

Active since August 14, 2006PECOS Enrolled
4425 OLD RIDGE RD, WILLIAMSON, NY 14589(315) 483-3280(315) 589-4893 Get Directions Write a Review

NPPES record last updated: December 7, 2009. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Jan M Walker M.d. NPPES

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

DR. JAN M WALKER M.D. (NPI 1346253986) is an individual pediatrics provider in Williamson, New York, licensed in New York (185268) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1346253986
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. JAN M WALKERCredential: M.D.
Location Address4425 OLD RIDGE RDWilliamson, NY 14589-9363
Mailing Address4425 Old Ridge RdWilliamson, NY 14589-9363 · (315) 483-3280 · Fax (315) 589-4893
Phone(315) 483-3280
Fax(315) 589-4893
Sole ProprietorNo
Enumeration DateAugust 14, 2006
Last NPPES UpdateDecember 7, 2009
✔ NPI 1346253986 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in NY · 185268
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
4425 OLD RIDGE RD, Williamson, NY 14589
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Other Identifiers 3

Medicaid01398636NY
Medicare PINL70265NY
Medicare UPINE05214NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jan M 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 Jan Walker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Rochester General Hospital
5.5 mi
Internal Medicine
6692 MIDDLE RD
Sodus, NY 14551
  • Reassigned Medicare billing, New York enrollment
  • 2,285 clinicians in this Medicare group
NPI 1821163718 (315) 483-9135

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 14589 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
$84.93 typical visit price
range $54.87 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.08 typical visit price
range $17.54 – $136.14
Typical copayment $24.27 (range $4.38 – $34.03)
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 13

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

CHASITY JACQUEL MYRTHIL NP
Nurse Practitioner (Family)
4425 OLD RIDGE RD
WILLIAMSON, NY 14589
Wayne County (315) 483-3280
WAYNE REGIONAL ORTHOPAEDICS PLLC
Clinic/Center (Medical Specialty)
4425 OLD RIDGE RD, STE 100
WILLIAMSON, NY 14589
Wayne County (315) 589-2800
IRSHAD A MERKAND D.O.
Family Medicine
4425 OLD RIDGE RD
WILLIAMSON, NY 14589
Wayne County (315) 483-3280
DR. MAUREEN VANCURA NP
Nurse Practitioner (Family)
4425 OLD RIDGE RD, THE COMMONS
WILLIAMSON, NY 14589
Wayne County (315) 483-3220
DR. SANDRA A HELLMANN M.D.
Pediatrics
4425 OLD RIDGE RD
WILLIAMSON, NY 14589
Wayne County (315) 483-3280
BACK TO HEALTH CHIROPRACTIC AND WELLNESS
Exclusive Provider Organization
4425 OLD RIDGE RD
WILLIAMSON, NY 14589
Wayne County (585) 626-6858
JOSEPH PAUL WILSON D.C.
Chiropractor
4425 OLD RIDGE RD
WILLIAMSON, NY 14589
Wayne County (585) 626-6858
SEANNE HENNESSEY -BROWN X
Registered Nurse (Ambulatory Care)
4425 OLD RIDGE RD
WILLIAMSON, NY 14589
Wayne County (315) 483-3217

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 Jan Walker's NPI number?

The NPI number for Jan Walker is 1346253986. It was assigned to this individual provider in the NPPES registry on August 14, 2006.

Where is Jan Walker located?

Jan Walker practices at 4425 Old Ridge Rd, Williamson, NY 14589. The listed phone number is (315) 483-3280.

What is Jan Walker's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Jan Walker enrolled in Medicare?

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

Which organization bills Medicare for Jan Walker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jan Walker reassigns Medicare benefits to Rochester General Hospital (Sodus, 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 Jan 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 Jan Walker was last updated on December 7, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.