ISABELLA MILLS PA
NPI 1285592634
Physician Assistant in Darby, PA

Active since January 14, 2026PECOS Enrolled
1501 LANSDOWNE AVE, DARBY, PA 19023(610) 237-4000 Get Directions Write a Review

NPPES record last updated: February 25, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Isabella Mills Pa NPPES

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

ISABELLA MILLS PA (NPI 1285592634) is an individual physician assistant in Darby, Pennsylvania, licensed in Pennsylvania (MA067542) and active in the NPI registry since January 2026. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285592634
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameISABELLA MILLSCredential: PA
Location Address1501 LANSDOWNE AVEDarby, PA 19023-1333
Mailing Address2200 Benjamin Franklin Pkwy Apt E1405Philadelphia, PA 19130-3739 · (412) 310-8079
Sole ProprietorNo
Enumeration DateJanuary 14, 2026
Last NPPES UpdateFebruary 25, 2026
NPPES CertifiedFebruary 25, 2026
NPI 1285592634 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in PA · MA067542
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.

1501 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)

Isabella Mills 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 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.

Internal Medicine (Cardiovascular Disease)
1501 LANSDOWNE AVE, SUITE 104
DARBY, PA 19023
Surgery
1501 LANSDOWNE AVE, SUITE 305
DARBY, PA 19023
Internal Medicine (Gastroenterology)
1501 LANSDOWNE AVE, SUITE 205
DARBY, PA 19023
Surgery
1501 LANSDOWNE AVE, SUITE 308 MOB
DARBY, PA 19023
Internal Medicine (Nephrology)
1501 LANSDOWNE AVE, STE 201
DARBY, PA 19023
Internal Medicine (Nephrology)
1501 LANSDOWNE AVE, STE 201
DARBY, PA 19023
Internal Medicine (Nephrology)
1501 LANSDOWNE AVE, SUITE 201
DARBY, PA 19023
Internal Medicine (Nephrology)
1501 LANSDOWNE AVE, STE 201
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 Isabella Mills's NPI number?

The NPI number for Isabella Mills is 1285592634. It was assigned to this individual provider in the NPPES registry on January 14, 2026.

Where is Isabella Mills located?

Isabella Mills practices at 1501 Lansdowne Ave, Darby, PA 19023. The listed phone number is (610) 237-4000.

What is Isabella Mills's specialty?

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

Is Isabella Mills enrolled in Medicare?

Yes. Isabella Mills is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Isabella Mills was last updated on February 25, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.