Doctor profile · Federal record

Dr. Stephen Sizer, D.O.

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Philadelphia, PA

  • NPI 1023377751
  • Accepts Medicare
  • 14 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4190 City Ave
Philadelphia, PA 191311626
(215) 871-6693
fax (215) 871-6695

Credentials & registration

NPPES · NUCC
NPI registered
May 2012 — 14 yrs on file
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
Pennsylvania #OT014675

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023377751. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,712
Distinct HCPCS
10
Medicare allowed
$344,115
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 302 255 $96
73562 X-ray of knee, 3 views 226 151 $44
73502 X-ray of hip, 2-3 views 166 129 $50
73501 X-ray of hip, 1 view 142 97 $35
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 124 23 $1
99215 Established patient office or other outpatient visit, 40-54 minutes 123 113 $189
73564 X-ray of knee, 4 or more views 106 84 $50
99214 Established patient office or other outpatient visit, 30-39 minutes 88 82 $135
27130 Replacement of thigh bone and hip joint with prosthesis 82 78 $1,377
27447 Replacement of knee joint, both sides of knee 79 76 $1,376

In context: peer comparison

Among 40 peers in this city , average services per provider: 158. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$713
Transactions
15
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Stryker Corporation 7 $307.41
ORTHALIGN INC 1 $274.22
HERAEUS MEDICAL, LLC. 5 $67.04
Zimmer Biomet Holdings, Inc. 1 $48.60
Davol Inc. 1 $15.98

By nature of payment

Food and Beverage
$713

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
333
Patients
253
Total drug cost
$3,500
Drug Type Claims Patients Total cost
Amoxicillin Generic 106 83 $261
Celecoxib Generic 57 36 $2,018
Oxycodone Hcl Generic 57 50 $425
Tramadol Hcl Generic 30 26 $122
Clindamycin Hcl Generic 26 24 $198
Methylprednisolone Generic 12 11 $92
Ondansetron Odt (Ondansetron) Brand 12 12 $79
Diclofenac Sodium Generic 11 0 $193
Meloxicam Generic 11 0 $53
Omeprazole Generic 11 11 $59

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Sizer's medical specialty?
Dr. Stephen Sizer practices Orthopaedic Surgery Physician in Philadelphia, PA.
Where does Dr. Stephen Sizer practice?
Dr. Stephen Sizer practices at 4190 City Ave, Philadelphia, PA 191311626. Office phone: 2158716693.
What is Dr. Stephen Sizer's NPI?
Dr. Stephen Sizer's National Provider Identifier (NPI) is 1023377751, issued by NPPES.
Does Dr. Stephen Sizer accept Medicare assignment?
Yes. Dr. Stephen Sizer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Sizer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); X-ray of knee, 3 views (HCPCS 73562); X-ray of hip, 2-3 views (HCPCS 73502). Source: CMS Medicare Physician & Other Practitioners file.