Clinicians affiliated with Optimum Care Hospitalist Group PLLC

23 clinicians on file with this group · most practice in Oklahoma City, OK · PAC ID 3779862446

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

21 clinicians affiliated with Optimum Care Hospitalist Group PLLC are in the 2024 Medicare Part B data, 13 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 · Internal Medicine (9) · Family Practice (3) · Nurse Practitioner (3) · Physician Assistant (3) · Certified Clinical Nurse Specialist (2) · Hospitalist (1)

Specialty links go to the specialty in Oklahoma City, OK.

Clinicians affiliated with Optimum Care Hospitalist Group PLLC, 2024

Alphabetical by last name; 21.

NameSpecialtyCity
Kristi Adkins, APRNNurse PractitionerMidwest City, OK
Khabbab Amin, DOInternal MedicineMidwest City, OK
Morgan BellPhysician AssistantMidwest City, OK
Geo Philips Chacko, MDInternal MedicineNorman, OK
Janet E Cheek, DOHospitalistTulsa, OK
Alex A Dwuma, MDInternal MedicineOklahoma City, OK
Vedmia L Fonkem, MDFamily PracticeOklahoma City, OK
Amber Garretson, APRN, CNSCertified Clinical Nurse SpecialistOklahoma City, OK
Qazi F Haider, MDInternal MedicineLancaster, OH
Doretta Jenison, PA-CPhysician AssistantChoctaw, OK
Muiruri Kamau, DNP, APRNNurse PractitionerMidwest City, OK
Amer Y Khan, M.D.Internal MedicineMinot, ND
Yusuf H Khan, M.D.Family PracticeReston, VA
Tammie A Lockhart, APRN-CNPNurse PractitionerMidwest City, OK
Tahir I Lone, M.D.Internal MedicineNorth Platte, NE
Nelly Njaramba, CNSCertified Clinical Nurse SpecialistOklahoma City, OK
Carol L Njoki, MDInternal MedicineMidwest City, OK
Nisarg Patel, MDFamily PracticeWebster, TX
Muhammad F Riaz, M.D.Internal MedicineNew York, NY
Kenneth C Roberts, DOInternal MedicineBiloxy, MS
Haley Trimble, PA-CPhysician AssistantOklahoma City, OK

Practice locations

Listed practice locations in Oklahoma.

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