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WILLIAM COLLINS PA
NPI 1790448231
Physician Assistant in Salem, MA

Active since October 21, 2021PECOS Enrolled
81 HIGHLAND AVE, SALEM, MA 01970(978) 741-1200 Get Directions Write a Review

NPPES record last updated: January 14, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 14, 2026, Jul 9, 2025, Jun 4, 2025 and 4 more (7 updates tracked since 2021).

About William Collins Pa NPPES

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

WILLIAM COLLINS PA (NPI 1790448231) is an individual physician assistant in Salem, Massachusetts and active in the NPI registry since October 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790448231
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameWILLIAM COLLINSCredential: PA
Location Address81 HIGHLAND AVESalem, MA 01970-2768
Mailing Address81 Highland AveSalem, MA 01970-2768 · (978) 741-1200
Phone(978) 741-1200
Sole ProprietorNo
Enumeration DateOctober 21, 2021
Last NPPES UpdateJanuary 14, 20267 updates tracked since enumeration
NPPES CertifiedJanuary 14, 2026
✔ NPI 1790448231 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.
81 HIGHLAND AVE, Salem, MA 01970
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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)

William Collins Pa 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 01970 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 20

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

JOHN PATTI MD
Radiology (Diagnostic Radiology)
81 HIGHLAND AVE
SALEM, MA 01970
Essex County (978) 741-1200
SANDEEP MISHRA
Internal Medicine
81 HIGHLAND AVE, DEPT OF MEDICINE ( HOSPITALIST)
SALEM, MA 01970
Essex County (978) 354-4727
MARGARET KILCZEWSKI NP
Registered Nurse
81 HIGHLAND AVE
SALEM, MA 01970
Essex County (978) 354-7685
OLIVIA ANGELICHIO PA
Physician Assistant
81 HIGHLAND AVE
SALEM, MA 01970
Essex County (978) 741-1200
WILFRED R LEWIS M.D.
Anesthesiology
81 HIGHLAND AVE, DEPT. ANESTHESIA,
SALEM, MA 01970
Essex County (978) 354-3384
DR. ANTHONY J GUIDI M.D.
Pathology (Anatomic Pathology)
81 HIGHLAND AVE, PATHOLOGY DEPARTMENT
SALEM, MA 01970
Essex County (978) 354-4161
MS. MEGHAN MARGARET ZAKLIN N.P.
Nurse Practitioner (Family)
81 HIGHLAND AVE
SALEM, MA 01970
Essex County (978) 825-6294
MICHAEL GEORGE BURTON-WILLIAMS MD
Internal Medicine
81 HIGHLAND AVE
SALEM, MA 01970
Essex County (978) 825-7170

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 William Collins's NPI number?

The NPI number for William Collins is 1790448231. It was assigned to this individual provider in the NPPES registry on October 21, 2021.

Where is William Collins located?

William Collins practices at 81 Highland Ave, Salem, MA 01970. The listed phone number is (978) 741-1200.

What is William Collins's specialty?

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

Is William Collins enrolled in Medicare?

Yes. William Collins is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Collins was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.