MS. Lauren Bonsal-Thomas, PA-C

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

• Mercy Medical Center Inc Hospital · Baltimore, MD

Colleagues at St Paul Place Specialists, Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 339 clinicians in the practice; 12 are shown here.

• Lindsay Appel, MD Obstetrics & Gynecology Physician · Baltimore, MD
• Nicholas P Athas, PA Surgical Physician Assistant · Baltimore, MD
• Harry Auster, PA-C Physician Assistant · Baltimore, MD
• Kathleen Browne Blum, MD Obstetrics & Gynecology Physician · Baltimore, MD
• Daniel Shin Choi Orthopaedic Surgery Physician · Torrance, CA
• Dr. Mark A. Goldstein, MD Cardiovascular Disease Physician · Towson, MD
• Tina Ha-Johnson, CRNP Registered Nurse · Baltimore, MD
• Sergey Kantsevoy, MD, PHD Gastroenterology Physician · Baltimore, MD
• Cassandra Keady, PA-C Surgical Physician Assistant · Baltimore, MD
• Phuong X Nguyen, MD Surgery Physician · Baltimore, MD
• Ruth Y Peng, MD Anatomic Pathology & Clinical Pathology Physician · Baltimore, MD
• Mrs. Xinqi Peng, PA Medical Physician Assistant · Baltimore, MD

Other providers in Baltimore

• Mrs. Penny Joann Smith Baker, PA-C

  Individual Surgical Physician Assistant · NPI 1386778264

  201 E University Pkwy, Baltimore, MD 21218-2829 · (410) 932-5100

• Mr. Alex Baren, PA-C

  Individual Surgical Physician Assistant · NPI 1962948539

  2401 W Belvedere Ave, Baltimore, MD 21215-5216 · (410) 601-9000

• Parker James Barrett, PA-C

  Individual Surgical Physician Assistant · NPI 1669840476

  6820 Hospital Dr Ste 210, Baltimore, MD 21237-4360 · (410) 391-6131

• Simone Toft Beattie, PA

  Individual Surgical Physician Assistant · NPI 1326680125

  22 S Greene St, Baltimore, MD 21201-1544 · (410) 328-8141

• Mr. Adam Joseph Bosley, PA-C

  Individual Surgical Physician Assistant · NPI 1811410038

  4940 Eastern Ave, Baltimore, MD 21224 · (410) 550-0100

• MS. Barbara B Brunk, PA-C

  Individual Surgical Physician Assistant · NPI 1013109685

  2200 Kernan Dr, Baltimore, MD 21207-6665 · (410) 448-6719

• Rashel Hagmayer Castelgrande, PA-C

  Individual Surgical Physician Assistant · NPI 1720537020

  1800 Orleans St, Baltimore, MD 21287-0010 · (410) 955-0204

• Erica M Chamberlain

  Individual Surgical Physician Assistant · NPI 1407651508

  600 N Wolfe St, Baltimore, MD 21287-0005 · (410) 955-5000