Laura Anne Maas, MD

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.

• Johns Hopkins Bayview Medical Center Hospital · Baltimore, MD
• Johns Hopkins Hospital, The Hospital · Baltimore, MD · listed as The Johns Hopkins Hospital

Colleagues at Johns Hopkins University

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 2855 clinicians in the practice; 12 are shown here.

• Dr. Alicia I Arbaje, MD Internal Medicine Physician · Baltimore, MD
• Luis Buenaver, PHD Clinical Psychologist · Baltimore, MD
• Rachele Daly Certified Registered Nurse Anesthetist · Baltimore, MD
• Christian Burris Gocke, MD, PHD Internal Medicine Physician · Baltimore, MD
• Bernard Georges Jaar, MD Nephrology Physician · Baltimore, MD
• Shaye Marie Montgomery Physician Assistant · Sykesville, MD
• Barry M. Perper, CRNA Certified Registered Nurse Anesthetist · Baltimore, MD
• Sara Sateri, MD Anesthesiology Physician · Towson, MD
• Dr. Andrew Jay Satin, MD Maternal & Fetal Medicine Physician · Baltimore, MD
• Dr. Ami Aalok Shah, MD, MHS Rheumatology Physician · Baltimore, MD
• Dr. Charles Matthew Stewart, MD, PHD Otolaryngology Physician · Baltimore, MD
• Julia Visaggio, AUD Audiologist · Owings Mills, MD

Other providers in Baltimore

• Dr. Emily Z MA, MD

  Individual Student in an Organized Health Care Education/Training Program · NPI 1336940550

  Student / training record Baltimore, MD

• Dr. Emily MA, DDS

  Individual Student in an Organized Health Care Education/Training Program · NPI 1528596541

  Student / training record Baltimore, MD

• Nicholas MA

  Individual Student in an Organized Health Care Education/Training Program · NPI 1770384794

  Student / training record Baltimore, MD

• Sophia MA

  Individual Student in an Organized Health Care Education/Training Program · NPI 1831051762

  Student / training record Baltimore, MD

• Dr. Ian Campbell Macarthur, MD, PHD

  Individual Student in an Organized Health Care Education/Training Program · NPI 1366381949

  Student / training record Baltimore, MD

• Melissa Macdonald

  Individual Student in an Organized Health Care Education/Training Program · NPI 1023869724

  Student / training record Baltimore, MD

• Camden J Macdowell, MD, PHD

  Individual Student in an Organized Health Care Education/Training Program · NPI 1417702937

  Student / training record Baltimore, MD

• Dr. Michael James Macfarlane, PHD

  Individual Student in an Organized Health Care Education/Training Program · NPI 1932761541

  Student / training record Baltimore, MD