Clinicians affiliated with Shannon Clinic

559 clinicians on file with this group · most practice in San Angelo, TX · PAC ID 0840103727

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

476 clinicians affiliated with Shannon Clinic are in the 2024 Medicare Part B data, 350 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 (86) · Diagnostic Radiology (74) · Internal Medicine (42) · Family Practice (35) · Emergency Medicine (33) · Physician Assistant (20) · Anesthesiology (19) · Obstetrics & Gynecology (14) · Neurology (10) · Orthopedic Surgery (9) · Urology (9) · General Surgery (8) · Hospitalist (8) · Certified Registered Nurse Anesthetist (CRNA) (7) · Psychiatry (7) · Critical Care (Intensivists) (6) · Dermatology (6) · Endocrinology (6) · Gastroenterology (6) · Hematology-Oncology (6) · Cardiology (5) · Neurosurgery (5) · Infectious Disease (4) · Nephrology (4) · Ophthalmology (4) · Pathology (4) · Podiatry (4) · Certified Nurse Midwife (3) · Otolaryngology (3) · Pulmonary Disease (3) · Audiologist (2) · General Practice (2) · Pain Management (2) · Radiation Oncology (2) · Rheumatology (2) · Sleep Medicine (2) · Thoracic Surgery (2) · Allergy/ Immunology (1) · Certified Clinical Nurse Specialist (1) · Clinical Cardiac Electrophysiology (1) · Hospice and Palliative Care (1) · Interventional Radiology (1) · Medical Oncology (1) · Optometry (1) · Pediatric Medicine (1) · Psychologist, Clinical (1) · Registered Dietitian or Nutrition Professional (1) · Undersea and Hyperbaric Medicine (1) · Vascular Surgery (1)

Specialty links go to the specialty in San Angelo, TX.

Clinicians affiliated with Shannon Clinic, 2024

Alphabetical by last name; 301–400 of 476.

NameSpecialtyCity
Christian H Nguyen, MDInternal MedicineSan Angelo, TX
Tham NguyenNurse PractitionerSan Angelo, TX
David Nichols, M.D.Emergency MedicineSan Angelo, TX
Emily Niehues, MSN, APRN, FNP-BCNurse PractitionerSan Angelo, TX
Logan J Niehues, MDEmergency MedicineTemple, TX
Brett J Nile, MDFamily PracticeSan Angelo, TX
Abigail Nisan, MDInternal MedicineSan Angelo, TX
Tamara Noack, MDInternal MedicineSan Angelo, TX
Margaret M Nunez, APRN, CNPNurse PractitionerSan Angelo, TX
Albert Nwabueze, MDEmergency MedicineSan Angelo, TX
Somtochukwu Nwokoye, MDInternal MedicineSan Angelo, TX
Jose M Ochoa, M.DInternal MedicineHouston, TX
Willibaldo Ojeda, M.D.Clinical Cardiac ElectrophysiologySan Angelo, TX
Carolina Ojeda Flores, M.D.Internal MedicineSan Angelo, TX
Zachary S O'Neal, PA-CPhysician AssistantSan Angelo, TX
Devin W OnyettCertified Registered Nurse Anesthetist (CRNA)Fort Myers, FL
Sarah A OnyettCertified Registered Nurse Anesthetist (CRNA)Fort Myers, FL
Sowmini Oomman, MDSleep MedicineFranklin, TN
Che S Ornelas, M.D.Internal MedicineSan Angelo, TX
Gregory J Orth, M.D.Diagnostic RadiologyLawrence, KS
Jose A Ospina, MD, PHDDiagnostic RadiologyGlendale, CA
Olakumbi B Otulana, D.O.GastroenterologyColumbia, SC
Paul Ou, M.D.Family PracticeSan Angelo, TX
William A Pace, MDDiagnostic RadiologyPlattsburgh, NY
Christopher Padilla, PA-CPhysician AssistantSan Angelo, TX
John E Paredes, DOInternal MedicineSan Antonio, TX
Amin Parhizgar, M.D.NephrologySan Angelo, TX
Benjamin R Park, D.O.Diagnostic RadiologyBothell, WA
James A Parker, MDAnesthesiologySan Angelo, TX
Sanjay S Patel, MDFamily PracticeSan Angelo, TX
Sheila Patterson, FNPNurse PractitionerSan Angelo, TX
Omar Perez, M.D,Obstetrics & GynecologyLaredo, TX
Lorena D Perez Povis, MDInfectious DiseaseSan Angelo, TX
Nyssah D Perrine, RN, FPMHNP-BCNurse PractitionerSan Angelo, TX
Christopher C Peterson, M.D.Family PracticeSan Angelo, TX
Randhi W Peterson, MDInternal MedicineSan Angelo, TX
Timothy Peterson, M.D.Family PracticeSan Angelo, TX
Vanessa Pham, MDEndocrinologyMadison, WI
Jason L Pizzola, M.D.Family PracticeKingsport, TN
Stephan G Pizzola, MDAnesthesiologySan Angelo, TX
Melissa Powell, M.D.Internal MedicineSan Angelo, TX
Jackie L Preston, M.D.Internal MedicineSan Angelo, TX
Mohammedmoiz Qureshi, M.DEmergency MedicineNew Bedford, MA
Erica Rabe, MDFamily PracticeSan Angelo, TX
Sapna Raghunathan, MDEndocrinologySan Antonio, TX
Miles S Raizada, MDEmergency MedicineDenton, TX
Toby Redden, CNPNurse PractitionerSan Angelo, TX
Amy M Reed, M.D.UrologySan Antonio, TX
Peilin C Reed, MDDiagnostic RadiologyBrockton, MA
Luz E Reiley, MDNeurologyWeston, FL
Rachel J Reyes, MSN, APRN, FNP-CNurse PractitionerSan Angelo, TX
Nicole C Rich, M.D.Vascular SurgeryMurfreesboro, TN
Chadi RichehEndocrinologySan Angelo, TX
Wael Richeh, MDNeurologyRancho Mirage, CA
Ryan H Richter, MDDiagnostic RadiologyFort Worth, TX
Cayla N Ritter, FNP-CNurse PractitionerBig Spring, TX
John L Ritter, M.D.Diagnostic RadiologyJbsa Ft Sam Houston, TX
Steven E Ritter, M.D.DermatologySan Angelo, TX
Tammie L Robinson, FNPNurse PractitionerSan Angelo, TX
Alex E Robles, ACNPNurse PractitionerFargo, ND
Cesar M Rodriguez, M.D.General PracticeSan Angelo, TX
Estela Rodriguez Alonso, MDInternal MedicineStamford, CT
Jennifer A Rose, CRNPNurse PractitionerMuscle Shoals, AL
Kenneth E Rose, M.D.Internal MedicineMuscle Shoals, AL
Kellie M Ryan - Wilson, CNMCertified Nurse MidwifeSan Angelo, TX
Brenda G Sandoval, MDInternal MedicineHouston, TX
Adam M Schindler, M.D.HospitalistHouston, TX
Delilah M Schnitzer, ACNP-BCNurse PractitionerSan Angelo, TX
Susan Seago, M.D.RheumatologyHouston, TX
Andrew J Sellers, MDDiagnostic RadiologyBeverly Hills, FL
Baljeet S Sethi, M.D.NeurologyWaldorf, MD
Shree J Shah, MDDiagnostic RadiologySarasota, FL
Syed Shahid, MDEndocrinologyHumble, TX
Moulali Shaik, M.DInternal MedicineSan Angelo, TX
Gayle Sharpsteen, APRN, FNP-CNurse PractitionerSan Angelo, TX
Eddie G Shell, MDDiagnostic RadiologySan Angelo, TX
Garrett L Sheppard, PA-CPhysician AssistantSan Angelo, TX
Shaan Sheth, MDPsychiatryHouston, TX
Mona A Silady, M.D.Diagnostic RadiologySan Diego, CA
Marcus L Sims, D.O.Family PracticeOzona, TX
Aviral Singh, DOInternal MedicineSan Angelo, TX
Randi B Skelton, NP-CNurse PractitionerLubbock, TX
James W Slauson, MDEmergency MedicineSan Angelo, TX
Jennifer D Slaven, CNSCertified Clinical Nurse SpecialistSan Angelo, TX
Randall E Slimak, MDInternal MedicineSan Angelo, TX
Sharlet Slough, DOInternal MedicineKingsport, TN
Sanford Smoot, MDDiagnostic RadiologyLexington, MA
Ashley P Snook, NPNurse PractitionerSan Angelo, TX
Michelle G Snuggs, MDDiagnostic RadiologySan Angelo, TX
Anthony C Soldano, MDPathologySan Angelo, TX
Jaicus K Solis, MDOrthopedic SurgerySan Angelo, TX
Kaushal Sondarwa, MDNephrologySan Angelo, TX
Ye Kyung Song, MD, PHDPsychiatryDallas, TX
Debra L Sosolik, FNPNurse PractitionerSan Angelo, TX
Christopher A Stallard, FNP-C, AGACNP-BCNurse PractitionerSan Angelo, TX
Michael L Stanchina, MDPulmonary DiseaseEast Greenwich, RI
Stephen M Stanley, MDPathologySan Angelo, TX
John A Stevenson, M.D.NephrologySan Angelo, TX
Allyson D Stewart, APRNNurse PractitionerMemphis, TN
Brandi F Stiff, NPNurse PractitionerOklahoma City, OK

Practice locations

Listed practice locations in California, Colorado, Florida, Georgia, Massachusetts, Maryland, Michigan, Mississippi, North Carolina, Nevada, Ohio, Oregon, Pennsylvania, Texas, Utah, Virginia, Washington.

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