Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

CHALAN WHELAN PA-C
NPI 1528984440
Physician Assistant in Amherst, MA

Q: What is Chalan Whelan's NPI number?

The NPI number for Chalan Whelan is 1528984440. It was assigned to this individual provider in the NPPES registry on June 25, 2026.

Q: What is Chalan Whelan's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for Chalan Whelan was last updated on June 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 54 days 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 June 25, 2026PECOS Enrolled

17 RESEARCH DR, AMHERST, MA 01002(413) 549-8400 Get Directions Write a Review

NPPES record added: June 25, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Chalan Whelan Pa-c NPPES

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

CHALAN WHELAN PA-C (NPI 1528984440) is an individual physician assistant in Amherst, Massachusetts and active in the NPI registry since June 2026. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1528984440

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameCHALAN WHELANCredential: PA-C

Location Address17 RESEARCH DRAmherst, MA 01002-2788

Mailing Address18 Petz RdStafford Springs, CT 06076-3902 · (860) 849-5832

Phone(413) 549-8400

Sole ProprietorYes

Enumeration DateJune 25, 2026

NPPES CertifiedJune 25, 2026

✔ NPI 1528984440 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

17 RESEARCH DR, Amherst, MA 01002

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chalan Whelan Pa-c 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01002 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

$90.70 typical visit price

range $58.86 – $177.36

Typical copayment $22.67 (range $14.71 – $44.34)

Most-billed visit code 99203

Established Patient

$73.22 typical visit price

range $19.11 – $144.84

Typical copayment $18.30 (range $4.77 – $36.21)

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 14

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

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