Clinicians affiliated with Oso Specialty Infusion Inc
9 clinicians on file with this group · most practice in Los Angeles-Long Beach-Anaheim, CA · PAC ID 3274894720
8 clinicians affiliated with Oso Specialty Infusion Inc are in the 2024 Medicare Part B data, 7 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 · Allergy/ Immunology (3) · Gastroenterology (1) · Infectious Disease (1) · Neurology (1) · Nurse Practitioner (1) · Pediatric Medicine (1)
Specialty links go to the specialty in Los Angeles-Long Beach-Anaheim, CA.
Clinicians affiliated with Oso Specialty Infusion Inc, 2024
Alphabetical by last name; 8.
| Name | Specialty | City |
|---|---|---|
| Nirav S Patel, M.D. | Neurology | Los Alamitos, CA |
| Kumaravel Perumalsamy, M.D. | Gastroenterology | Lancaster, CA |
| Warren W Pleskow, MD | Allergy/ Immunology | Encinitas, CA |
| Jagadeesh C Reddy, M.D. | Infectious Disease | Laguna Beach, CA |
| Charles H Song, M.D. | Allergy/ Immunology | Los Angeles, CA |
| Maureen U Welker, MSN, NPC, CCRN | Nurse Practitioner | Mission Viejo, CA |
| Andrew K Wong, M.D. | Allergy/ Immunology | Manhattan Beach, CA |
| Ulrike H Ziegner, MD PHD | Pediatric Medicine | Redondo Beach, CA |
Practice locations
Listed practice locations in California.
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