WILLIAM D PIWNICA-WORMS MD
NPI 1295354975
Plastic Surgery in Philadelphia, PA

Q: What is William Piwnica-worms's NPI number?

The NPI number for William Piwnica-worms is 1295354975. It was assigned to this individual provider in the NPPES registry on April 13, 2020.

Q: What is William Piwnica-worms's specialty?

The primary specialty registered for this NPI is Plastic Surgery with taxonomy code 208200000X.

Active since April 13, 2020PECOS Enrolled

808 S WARNOCK ST APT A, PHILADELPHIA, PA 19147(314) 550-5223 Get Directions Write a Review

NPPES record last updated: August 11, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 11, 2026, Apr 13, 2020 (2 updates tracked since 2020).

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About William D Piwnica-worms Md NPPES

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

WILLIAM D PIWNICA-WORMS MD (NPI 1295354975) is an individual plastic surgery provider in Philadelphia, Pennsylvania, licensed in New Jersey (25MA12037200) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in Mount Laurel, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1295354975

Entity TypeIndividualMale

Primary Taxonomy208200000X

Provider Legal NameWILLIAM D PIWNICA-WORMSCredential: MD

Location Address808 S WARNOCK ST APT APhiladelphia, PA 19147-2706

Mailing Address1 Federal St Ste 200Camden, NJ 08103-1088 · (848) 288-6935

Phone(314) 550-5223

Sole ProprietorNo

Medical School CMSOtherGraduated 2020

Enumeration DateApril 13, 2020

Last NPPES UpdateAugust 11, 20262 updates tracked since enumeration

NPPES CertifiedAugust 11, 2026

✔ NPI 1295354975 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPlastic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208200000X

License✔ Licensed in NJ · 25MA12037200

Definition

A plastic surgeon deals with the repair, reconstruction or replacement of physical defects of form or function involving the skin, musculoskeletal system, craniomaxillofacial structures, hand, extremities, breast and trunk and external genitalia or cosmetic enhancement of these areas of the body. Cosmetic surgery is an essential component of plastic surgery. The plastic surgeon uses cosmetic surgical principles to both improve overall appearance and to optimize the outcome of reconstructive procedures. The surgeon uses aesthetic surgical principles not only to improve undesirable qualities of normal structures but in all reconstructive procedures as well.

808 S WARNOCK ST APT A, Philadelphia, PA 19147

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Secondary Practice Location 1

Location 1715 Fellowship RdMount Laurel, NJ 08054-1052 · Phone (856) 325-6767

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William D Piwnica-worms Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID345709804

PECOS Enrollment IDI20260825002824

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 William Piwnica-worms reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cooper Surgical Associates, PA

2.4 mi

Surgery

3 COOPER PLZ, SUITE 411
Camden, NJ 08103

Reassigned Medicare billing, New Jersey enrollment
383 clinicians in this Medicare group

NPI 1649217514 (856) 342-3321

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 19147 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.

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 Piwnica-worms's NPI number?

The NPI number for William Piwnica-worms is 1295354975. It was assigned to this individual provider in the NPPES registry on April 13, 2020.

Where is William Piwnica-worms located?

William Piwnica-worms practices at 808 S Warnock St Apt A, Philadelphia, PA 19147. The listed phone number is (314) 550-5223.

What is William Piwnica-worms's specialty?

The primary specialty registered for this NPI is Plastic Surgery with taxonomy code 208200000X.

Is William Piwnica-worms enrolled in Medicare?

Yes. William Piwnica-worms is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for William Piwnica-worms's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Piwnica-worms reassigns Medicare benefits to Cooper Surgical Associates, PA (Camden, NJ). 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 William Piwnica-worms's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Piwnica-worms accept?

Health plans from Oscar Health list William Piwnica-worms as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Piwnica-worms was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.