Clinicians affiliated with Porter County Anesthesia Associates PC

29 clinicians on file with this group · most practice in Chicago-Naperville-Elgin, IL-IN · PAC ID 4789573411

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

25 clinicians affiliated with Porter County Anesthesia Associates PC 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 · Anesthesiology (13) · Anesthesiology Assistant (9) · Certified Registered Nurse Anesthetist (CRNA) (3)

Specialty links go to the specialty in Chicago-Naperville-Elgin, IL-IN.

Clinicians affiliated with Porter County Anesthesia Associates PC, 2024

Alphabetical by last name; 25.

NameSpecialtyCity
Vikram Appannagari, MDAnesthesiologyValparaiso, IN
Ariel Ayala, CAAAnesthesiology AssistantSan Antonio, TX
Simmi K Bharvani, CAAAnesthesiology AssistantValparaiso, IN
Haley K Coleman Johnson, CAAAnesthesiology AssistantGreenville, NC
Natalie D Cullinane, M.D.AnesthesiologyElkhart, IN
Samia K Esseddiqi, CRNACertified Registered Nurse Anesthetist (CRNA)Merrillville, IN
Mohammed Hafeez, MDAnesthesiologyValparaiso, IN
Nathan J Hahn, M.D.AnesthesiologyLoves Park, IL
Walter V Hamilton, MSN;CRNACertified Registered Nurse Anesthetist (CRNA)Adrian, MI
Sheethal N Jain, M.D.AnesthesiologyChesterton, IN
Callan G Jones, CRNACertified Registered Nurse Anesthetist (CRNA)Valparaiso, IN
Ahmad Khan, M.D.AnesthesiologyValparaiso, IN
Leeshah KimAnesthesiology AssistantConyers, GA
Richard Krizmanich, DOAnesthesiologyValparaiso, IN
Izabelle K Mccann, CAAAnesthesiology AssistantValparaiso, IN
Alexander Mervenne, CAAAnesthesiology AssistantGrand Rapids, MI
Tommy Mislenkov, M.D.AnesthesiologyLa Porte, IN
Jeffrey C Mumpower, CAAAnesthesiology AssistantCincinnati, OH
Paola Pesantes, M.DAnesthesiologyLoves Park, IL
Raja Ravella, MDAnesthesiologyValparaiso, IN
Christina M Sams, AAAnesthesiology AssistantGainesville, FL
Ryan Schmidt, D.O.AnesthesiologyValparaiso, IN
Ulana B Sonevytsky, M.D.AnesthesiologyMaywood, IL
Stanley Weber, MDAnesthesiologyLafayette, IN
Louie Zhou, AAAnesthesiology AssistantMilwaukee, WI

Practice locations

Listed practice locations in Indiana.

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