Clinicians affiliated with Umms Ambulatory Care LLC

53 clinicians on file with this group · most practice in Baltimore-Columbia-Towson, MD · PAC ID 8426461427

Affiliation snapshotOctober 2, 2026CMS Doctors and Clinicians file, current snapshot (no end-of-2024 archive), applied to 2024

Activity year2024Medicare Part B claims, Original Medicare fee-for-service

40 clinicians affiliated with Umms Ambulatory Care LLC are in the 2024 Medicare Part B data, 4 of them physicians. Data years with affiliated clinicians: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.

Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report

Affiliated clinicians by specialty, 2024

All specialties · Nurse Practitioner (23) · Physician Assistant (13) · Emergency Medicine (2) · Family Practice (2)

Specialty links go to the specialty in Baltimore-Columbia-Towson, MD.

Clinicians affiliated with Umms Ambulatory Care LLC, 2024

Alphabetical by last name; 40.

Name	Specialty	City
Reece Bartell, PA-C	Physician Assistant	Fallston, MD
Alison M Benko, CRNP	Nurse Practitioner	Salisbury, MD
Brittany Berna, PA-C	Physician Assistant	Baltimore, MD
Nicholas S Bower, D.O.	Family Practice	Dundalk, MD
Jasmine E Brown, PA	Physician Assistant	Gainesville, FL
Scott T Burger, D.O.	Emergency Medicine	Washington, DC
Leah K Calderon, FNP	Nurse Practitioner	Linthicum Heights, MD
Wendy S Carr, PA-C	Physician Assistant	Laurel, MD
Ania G Castillo, PA	Physician Assistant	Hunt Valley, MD
Cara S Chell, CRNP	Nurse Practitioner	Nottingham, MD
Kyle J Clover, PA-C	Physician Assistant	Solomons, MD
Jason D Crowl, NP	Nurse Practitioner	Bel Air, MD
John A Druyor, FNP-C	Nurse Practitioner	Bel Air, MD
Valerie E Goodman, DO	Family Practice	Centreville, MD
Rebecca Gum, CRNP	Nurse Practitioner	Baltimore, MD
Valerie A Hartnett, CRNP	Nurse Practitioner	Baltimore, MD
Abu B Kamara, NURSE PRACTITIONER	Nurse Practitioner	Baltimore, MD
Shayna M Kerr, NP	Nurse Practitioner	Denton, MD
Carol L Kniola, PAC	Physician Assistant	Baltimore, MD
Judith A Lankford, FNP-BC	Nurse Practitioner	Denton, MD
Sharon Londeree, FNP	Nurse Practitioner	Columbia, MD
Paul J Marshall, PA-C	Physician Assistant	Baltimore, MD
Jamie E Matlock, PA-C	Physician Assistant	Glen Burnie, MD
Cynthia Molen, CRNP	Nurse Practitioner	Bel Air, MD
Misbah Naureen	Nurse Practitioner	Rosedale, MD
Kristen A Rohrer, PA-C	Physician Assistant	Baltimore, MD
Kelsey Rosen, AGACNP-BC	Nurse Practitioner	Easton, MD
Ashraf Sadik, FNP-BC	Nurse Practitioner	Bel Air, MD
Holly Schreiber	Nurse Practitioner	Millsboro, DE
Haley B Schweizer, PA-C	Physician Assistant	Baltimore, MD
Shirley J Seward, CRNP	Nurse Practitioner	Elkridge, MD
Courtney Sitar, CRNP	Nurse Practitioner	Chester, MD
Jacqueline R Smith, CRNP	Nurse Practitioner	Denton, MD
Suzanne L Steele, PA-C	Physician Assistant	Easton, MD
Laura S Stone, MD	Emergency Medicine	Baltimore, MD
Amber Vasold	Physician Assistant	Aberdeen, MD
Eddiee Velasquez	Nurse Practitioner	Towson, MD
Zachary B Wasserman, MSN, CRNP, FNP-C	Nurse Practitioner	Baltimore, MD
Crystal C Williams, DNP	Nurse Practitioner	Baltimore, MD
Melissa D Wood, CRNP, FNP-C	Nurse Practitioner	Easton, MD

Practice locations

Listed practice locations in Maryland.

Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.

Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations