Dr. Stephen Charles Sizer, DO

Dr. Sizer practices at Main Line Reproductive Surgery Center PC in Bryn Mawr, Pennsylvania.

Dr. Sizer's NPI, 1023377751, was assigned on May 15, 2012. Dr. Sizer graduated from Philadelphia College of Osteopathic Medicine in 2012. Dr. Sizer holds Pennsylvania license OT014675.

Dr. Sizer's primary practice is Main Line Reproductive Surgery Center PC, at 825 Old Lancaster Rd, Bryn Mawr, PA 19010 in Delaware County. The practice phone is (484) 645-9700.

Dr. Sizer's primary practice is Main Line Reproductive Surgery Center PC in Bryn Mawr, Pennsylvania. Dr. Sizer is also affiliated with Bryn Mawr Hospital. The medical group on file is Phoenix Physical Therapy. Dmand AI also links Dr. Sizer to 4 more hospitals, 4 group practices and clinics and 3 medical groups, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sizer practices, 9 sites in all. Vendor and product names are available with a free account.

Orthopaedic surgery is Dr. Sizer's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Sizer is licensed in Pennsylvania.

CMS data shows 2,267 Medicare services from Dr. Sizer across 20 procedure codes in 2024, for 561 Medicare patients. Medicare paid $296,660 for them.

CMS counts 561 Medicare patients who saw Dr. Sizer in 2024. The largest group is 65 to 74, with 241 patients. 75% of them have arthritis, and 75% have high cholesterol. 4% are also on Medicaid. Their average risk score is 1.15, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Sizer's median patient age at 73, with 59% women.

In 2024, Dr. Sizer wrote 523 Medicare Part D claims for 251 patients. 98% of them were for generic drugs. CMS names the drug for 469 of them, across 11 drugs with 11 or more claims each, at $2,768 in total drug cost. In 2023, CMS named 333 claims across 10 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Sizer for performance year 2024, reported as part of a group. Dr. Sizer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 168 procedures of hip replacement by Dr. Sizer, more than 99% of the clinicians it reports for that procedure.

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 4 papers to Dr. Sizer, published from 2015 to 2022. 2022 was the busiest year, with 2. The most frequent topics are Arthroplasty, Replacement, Knee and Arthroplasty, Replacement, Hip. Dr. Sizer's most frequent co-authors are Carl A. Deirmengian, MD, Walter Burns Beaver, MD and William Dick Bugbee, MD.

CMS Open Payments shows 108 general payments to Dr. Sizer from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 71% of the total. Stryker Corporation paid the most, $3,849.

Dr. Sizer graduated from Philadelphia College of Osteopathic Medicine in 2012.