Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

RYAN PAUL ANTKOWIAK
NPI 1275464349
Physician Assistant in Darby, PA

Active since May 27, 2026PECOS Enrolled
1500 LANSDOWNE AVE, DARBY, PA 19023(215) 710-6586 Get Directions Write a Review

NPPES record last updated: October 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ryan Paul Antkowiak NPPES

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

RYAN PAUL ANTKOWIAK (NPI 1275464349) is an individual physician assistant in Darby, Pennsylvania, licensed in Pennsylvania (MA068178) and active in the NPI registry since May 2026. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1275464349
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameRYAN PAUL ANTKOWIAK
Location Address1500 LANSDOWNE AVEDarby, PA 19023-1200
Mailing AddressPo Box 3154Indianapolis, IN 46206-3154
Sole ProprietorNo
Enumeration DateMay 27, 2026
Last NPPES UpdateOctober 20, 2026
NPPES CertifiedOctober 20, 2026
✔ NPI 1275464349 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Licenses✔ Licensed in PA · MA068178✔ Licensed in DE · C5-0012539
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.
1500 LANSDOWNE AVE, Darby, PA 19023

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ryan Paul Antkowiak 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 19023 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
$92.69 typical visit price
range $59.88 – $180.99
Typical copayment $23.17 (range $14.97 – $45.24)
Most-billed visit code 99203
Established Patient
$74.47 typical visit price
range $19.30 – $147.29
Typical copayment $18.61 (range $4.82 – $36.82)
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.

Nurse Anesthetist, Certified Registered
1500 LANSDOWNE AVE
DARBY, PA 19023
Student in an Organized Health Care Education/Training Program
1500 LANSDOWNE AVE
DARBY, PA 19023
Anesthesiology
1500 LANSDOWNE AVE
DARBY, PA 19023
Nurse Anesthetist, Certified Registered
1500 LANSDOWNE AVE
DARBY, PA 19023
Student in an Organized Health Care Education/Training Program
1500 LANSDOWNE AVE
DARBY, PA 19023
Emergency Medicine
1500 LANSDOWNE AVE
DARBY, PA 19023
Student in an Organized Health Care Education/Training Program
1500 LANSDOWNE AVE
DARBY, PA 19023
Student in an Organized Health Care Education/Training Program
1500 LANSDOWNE AVE
DARBY, PA 19023

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 Ryan Antkowiak's NPI number?

The NPI number for Ryan Antkowiak is 1275464349. It was assigned to this individual provider in the NPPES registry on May 27, 2026.

Where is Ryan Antkowiak located?

Ryan Antkowiak practices at 1500 Lansdowne Ave, Darby, PA 19023. The listed phone number is (215) 710-6586.

What is Ryan Antkowiak's specialty?

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

Is Ryan Antkowiak enrolled in Medicare?

Yes. Ryan Antkowiak is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ryan Antkowiak was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.