DR. STEPHEN CHARLES SIZER D.O.
NPI 1023377751
Orthopaedic Surgery in Philadelphia, PA

Q: What is Stephen Sizer's NPI number?

The NPI number for Stephen Sizer is 1023377751. It was assigned to this individual provider in the NPPES registry on May 15, 2012.

Q: What is Stephen Sizer's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Stephen Sizer was last updated on May 15, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.

Active since May 15, 2012PECOS EnrolledAccepts Medicare Assignment

92.09/100

CMS Quality Rating

4190 CITY AVE, PHILADELPHIA, PA 19131(215) 871-6693(215) 871-6695 Get Directions Write a Review

NPPES record last updated: May 15, 2012. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Stephen Charles Sizer D.o. NPPES

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

DR. STEPHEN CHARLES SIZER D.O. (NPI 1023377751) is an individual orthopaedic surgery provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (OT014675) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS, is affiliated with Bryn Mawr Hospital, and is a graduate of Philadelphia College Of Osteopathic Medicine (2012).

NPPES Registry Identity

NPI1023377751

Entity TypeIndividualMale

Primary Taxonomy207X00000X

Provider Legal NameDR. STEPHEN CHARLES SIZERCredential: D.O.

Location Address4190 CITY AVEPhiladelphia, PA 19131-1626

Mailing Address4190 City AvePhiladelphia, PA 19131-1626 · (215) 871-6693 · Fax (215) 871-6695

Phone(215) 871-6693

Fax(215) 871-6695

Sole ProprietorYes

Medical School CMSPhiladelphia College Of Osteopathic MedicineGraduated 2012

Enumeration DateMay 15, 2012

✔ NPI 1023377751 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 · OT014675

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.

4190 CITY AVE, Philadelphia, PA 19131

Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Stephen Charles Sizer D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4486931029

PECOS Enrollment IDI20181024000146

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.

Areas of Expertise CMS Part B claims 20

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

387 services323 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

316 services55 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

264 services176 patients

Principal care management services for a single high-risk disease, first 30 minutes provided personally by qualified health care professional, per calendar month. 99424

Principal Care Management (PCM) services are health care services focused on managing a single high-risk disease. A qualified health professional will personally provide these services for the first 30 minutes each month. This could include monitoring your condition, coordinating your care, and making necessary adjustments to your treatment plan.

203 services189 patients

X-ray of hip, 1 view 73501

An X-ray of the hip, 1 view, is a quick, painless test where a small amount of radiation is used to produce images of the hip joint. This helps in diagnosing conditions like arthritis or fractures. You'll be positioned so that the X-ray machine can capture the best image of your hip.

138 services95 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

138 services96 patients

X-ray of knee, 4 or more views 73564

An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.

125 services101 patients

Replacement of knee joint, both sides of knee 27447

A bilateral knee joint replacement is a procedure where the damaged parts of both your knee joints are replaced with artificial parts. It aims to relieve pain and improve mobility. The process involves a surgical operation under anesthesia.

88 services82 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

85 services68 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

83 services78 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

80 services76 patients

Replacement of thigh bone and hip joint with prosthesis 27130

This procedure, known as hip arthroplasty, involves replacing your damaged thigh bone and hip joint with artificial parts, called a prosthesis. It helps relieve pain, improve mobility, and enhance your quality of life.

77 services77 patients

X-ray of hip, minimum of 4 views 73503

An X-ray of the hip with a minimum of 4 views is a non-invasive procedure that uses a small amount of radiation to produce images of the hip joint from different angles. This helps to diagnose conditions such as fractures, arthritis, or other abnormalities. It's a quick, painless process.

67 services66 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

62 services62 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

42 services42 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

38 services38 patients

X-ray of pelvis, 1-2 views 72170

An X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.

25 services25 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

23 services23 patients

X-ray of pelvis, minimum of 3 views 72190

An X-ray of the pelvis with a minimum of 3 views is a diagnostic procedure that uses radiation to create images of your lower body area. This helps in detecting issues like fractures, arthritis, or other abnormalities. It's quick, non-invasive, and typically painless.

14 services14 patients

Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement 27236

This procedure involves treating a fracture at the top of your thigh bone. A stabilizing device or prosthetic replacement is placed to aid in healing. This helps restore mobility and function while reducing pain. The treatment aims for a quick and safe recovery.

12 services12 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Bryn Mawr Hospital

Acute Care Hospitals · Bryn Mawr, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390139

Location130 South Bryn Mawr AveBryn Mawr, PA 19010 · Montgomery County

Emergency services Birthing friendly

Paoli Hospital

Acute Care Hospitals · Paoli, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390153

Location255 West Lancaster AvenuePaoli, PA 19301 · Chester County

Emergency services Birthing friendly

Main Line Hospital Lankenau

Acute Care Hospitals · Wynnewood, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390195

Location100 Lancaster AveWynnewood, PA 19096 · Montgomery County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19131 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

92.09/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

86.6

Promoting Interoperability

Improvement Activities

Cost

87.88

Reported Quality Measures

Risk-standardized complication rate (RSCR) following elective primary total hip arthroplasty (THA) and/or total knee arthroplasty (TKA) for Merit-based Incentive Payment System (MIPS)

Lower rates are better for this measure.

0.03%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Dynamic adjustable knee extension / flexion device, includes soft interface material E1810

DME-Other DME · category DE000N

1 supplier17 claims17 services$95.73 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

ZEEL HEMANTBHAI PATEL M.B.B.S

Student in an Organized Health Care Education/Training Program

4190 CITY AVE
PHILADELPHIA, PA 19131

Philadelphia County (215) 871-6690

DR. LAUREN NOTO BELL D.O.

Neuromusculoskeletal Medicine & OMM

4190 CITY AVE
PHILADELPHIA, PA 19131

Philadelphia County (215) 871-6425

DR. ANDREW JOSEPH SZABO D.O.

Surgery

4190 CITY AVE
PHILADELPHIA, PA 19131

Philadelphia County (215) 871-6690

DR. SVETLANA FELDMAN

Student in an Organized Health Care Education/Training Program

4190 CITY AVE
PHILADELPHIA, PA 19131

Philadelphia County (215) 871-6693

MAREN LEIGH DOWNING DO

Student in an Organized Health Care Education/Training Program

4190 CITY AVE
PHILADELPHIA, PA 19131

Philadelphia County (803) 587-9327

ENT R NET, P A

Otolaryngology

4190 CITY AVE, SUITE 526
PHILADELPHIA, PA 19131

Philadelphia County (215) 879-0060

DR. LEE ANN BRODZIK D.O.

Pediatrics

4190 CITY AVE, SUITE 540
PHILADELPHIA, PA 19131

Philadelphia County (215) 871-1800

MATTHEW HARRISON BECK DO

Internal Medicine (Cardiovascular Disease)

4190 CITY AVE
PHILADELPHIA, PA 19131

Philadelphia County (215) 871-6100

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 Stephen Sizer's NPI number?

The NPI number for Stephen Sizer is 1023377751. It was assigned to this individual provider in the NPPES registry on May 15, 2012.

Where is Stephen Sizer located?

Stephen Sizer practices at 4190 City Ave, Philadelphia, PA 19131. The listed phone number is (215) 871-6693.

What is Stephen Sizer's specialty?

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

Is Stephen Sizer enrolled in Medicare?

Yes. Stephen Sizer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Stephen Sizer affiliated with any hospitals?

According to CMS data, Stephen Sizer is affiliated with Bryn Mawr Hospital, Paoli Hospital and Main Line Hospital Lankenau.

When was this NPI record last updated?

The NPPES record for Stephen Sizer was last updated on May 15, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.