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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

JOHN T WILLIAMS SR. MD
NPI 1598733073
Orthopaedic Surgery in Philadelphia, PA

Active since March 09, 2006PECOS Enrolled
5501 OLD YORK RD, WILLOWCREST ROAD 4TH FLOOR, PHILADELPHIA, PA 19141(215) 456-7900(215) 456-3428 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John T Williams Sr. Md NPPES

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

JOHN T WILLIAMS SR. MD (NPI 1598733073) is an individual orthopaedic surgery provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD029310L) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1598733073
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameJOHN T WILLIAMS SR.Credential: MD
Location Address5501 OLD YORK RD, WILLOWCREST ROAD 4TH FLOORPhiladelphia, PA 19141
Mailing Address101 E Olney Ave, 400Philadelphia, PA 19120 · (215) 456-7000 · Fax (215) 254-2599
Phone(215) 456-7900
Fax(215) 456-3428
Sole ProprietorNo
Enumeration DateMarch 9, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1598733073 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in PA · MD029310L
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
5501 OLD YORK RD, Philadelphia, PA 19141
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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)

John T Williams Sr. Md 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 19141 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.

KENNETH KLECKNER MD
Emergency Medicine
5501 OLD YORK RD, EINSTEIN MEDICAL CENTER - PHILADELPHIA
PHILADELPHIA, PA 19141
Philadelphia County (215) 456-6679
MS. AMMAN HASSAN MD
Pediatrics
5501 OLD YORK RD
PHILADELPHIA, PA 19141
Philadelphia County (215) 456-3810
TAYLOR NICOLE THOMPSON PA-C
Physician Assistant (Medical)
5501 OLD YORK RD, KORMAN BUILDING SUITE 202
PHILADELPHIA, PA 19141
Philadelphia County (215) 254-2630
STEPHEN RYAN CHEN
Orthopaedic Surgery
5501 OLD YORK RD
PHILADELPHIA, PA 19141
Philadelphia County (215) 456-7890
DR. DHRUV SHARMA MD
Student in an Organized Health Care Education/Training Program
5501 OLD YORK RD
PHILADELPHIA, PA 19141
Philadelphia County (215) 456-7890
TIMOTHY DANIEL GARDNER DO
Student in an Organized Health Care Education/Training Program
5501 OLD YORK RD
PHILADELPHIA, PA 19141
Philadelphia County (215) 456-7890
DR. JONATHAN THOMAS LUCIANI DO
Student in an Organized Health Care Education/Training Program
5501 OLD YORK RD
PHILADELPHIA, PA 19141
Philadelphia County (215) 456-7890
ASHIKA KAPOOR MD
Psychiatry & Neurology (Psychiatry)
5501 OLD YORK RD
PHILA, PA 19141
Philadelphia County (215) 456-8103

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 John Williams's NPI number?

The NPI number for John Williams is 1598733073. It was assigned to this individual provider in the NPPES registry on March 9, 2006.

Where is John Williams located?

John Williams practices at 5501 Old York Rd Willowcrest Road 4th Floor, Philadelphia, PA 19141. The listed phone number is (215) 456-7900.

What is John Williams's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is John Williams enrolled in Medicare?

Yes. John Williams is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John Williams was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 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.