Lina Marie Sizer, D.O
Surgery Physician · Bryn Mawr, PA
Lina Marie Sizer, D.O is a surgery physician with a practice address in Bryn Mawr, Pennsylvania, and NPI 1457645228, issued on Jun 8, 2011. Check the license (Pennsylvania OS016923, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Lina Marie Sizer
- Credential
- D.O
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- OS016923 PA
Self-reported in NPPES; status is on the state search - Practice location
- 101 S Bryn Mawr Ave Ste 201, Bryn Mawr, PA 19010
- Phone
- (610) 520-0700
- Enumerated
- Jun 8, 2011
- Record last updated
- Apr 18, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (610) 520-0744
- Medicare enrollment
- Enrolled (PECOS I20180607001142); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2011
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,867 in Pennsylvania → Look up another NPI →
Also registered at 101 S Bryn Mawr Ave Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robin Drowne, CRNPNurse Practitioner1295877983
- Lindsay DrubelPhysician Assistant1891330981
- Jessegnia Velasquez, APRNWomen's Health Nurse Practitioner1326581224
Verify Lina Marie Sizer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS016923Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average surgery physician in 2024
21 Medicare Part D claims for 16 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $500.26
8 payments; by number, the most common kind was food and beverage; the largest payer was Endomagnetics Ltd. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Main Line HealthcareBryn Mawr, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lina Marie Sizer among 1,867 surgery physician records in Pennsylvania
Lina Marie Sizer, D.O is one of 1,867 surgery physician records with a practice address in Pennsylvania. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 55% of them.
- NPI issued2011 · 55% of these records are older, 43% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2011 · median 2007 among the 932 with a school on file
- Record last updated2018 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Pennsylvania
There are 1,867 surgery physician records in Pennsylvania.
All 1,867 in Pennsylvania → Every provider in Bryn Mawr → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Jennifer Denne, M.D.Bryn Mawr, PA 190101447318126
- John Fam, M.D.Bryn Mawr, PA 190101134488687
- Muhammad Golsorkhi, M.D.Bryn Mawr, PA 190101487630281
- Richard Ing, M.D.Bryn Mawr, PA 190101003817339
- Ronald Mattson, M.D.Bryn Mawr, PA 190101851351910
- Steven Myrick, M.D.Bryn Mawr, PA 190101841239662
- Philip Pearson, MDBryn Mawr, PA 190101952360513
- Samantha WitteBroomall, PA 190081457694762
Common questions
What is Lina Marie Sizer, D.O's NPI number?
Lina Marie Sizer, D.O's National Provider Identifier (NPI) is 1457645228, issued on Jun 8, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Lina Marie Sizer, D.O located?
The NPPES record lists a practice address at 101 S Bryn Mawr Ave Ste 201, Bryn Mawr, PA, 19010. Phone: (610) 520-0700. Providers update this record themselves, so call before visiting.
How can I verify Lina Marie Sizer, D.O's license?
NPPES lists Pennsylvania license number OS016923, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lina Marie Sizer, D.O prescribe under Medicare Part D?
In 2024, Lina Marie Sizer, D.O had 21 Medicare Part D claims for 16 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.