Gastroenterology in Riverside-San Bernardino-Ontario, CA

Individual Gastroenterology providers billing Original Medicare Part B in Riverside-San Bernardino-Ontario, CA: 97 in 2024.

See available data · View sample report · What a Market Comparison contains

Available data

individual providers, 2024
97
data years
12
groups listed
9
Specialty, geography, providers by year and peer group2 counties
Specialty
Gastroenterology (the provider type on the Medicare claims record; individuals only)
Geography
Riverside-San Bernardino-Ontario, CA (metro area, CBSA 40140). Counties: Riverside County, San Bernardino County.
Data years
2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
Providers by year
2013: 59 · 2014: 69 · 2015: 70 · 2016: 80 · 2017: 90 · 2018: 96 · 2019: 100 · 2020: 98 · 2021: 95 · 2022: 97 · 2023: 94 · 2024: 97
Peer group for ranks
Ranks within this market use its own providers (at least the minimum cohort).

Geography · Limitations · Methodology

Fee schedule change and telehealth-only services and setting trends for Gastroenterology in California. Fee schedule change and telehealth-only services and setting trends for this market: in the Market Comparison.

Market Comparison

One specialty in one market (a metro area, a state's area outside metro areas, a whole state or the United States): each cohort member's figures and rank, the distribution, percentiles and trend, plus the full report of a selected physician who is in that market, for 12 months.

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What the Market Comparison contains

Show details1 known limitation

Included

  • The cohort table: each clinician's exact Medicare payment, calculated work RVUs and rank in this specialty and market
  • A ranked list of every clinician in this specialty and market by Medicare payment or work RVUs, opening at the selected physician with those just above and below
  • Each listed clinician's codes for a data year: every code line with place of service, services, beneficiaries, Medicare payment and work RVUs
  • Medians, percentiles, the distribution and the trend for this specialty and market
  • Estimated figures and the offer calculator for this market
  • The full Physician Report of the selected physician, when that physician is in this market
  • A downloadable market report (PDF)

Not included

  • Other specialties and other markets
  • Multi-year history, peer comparisons and the printable report of clinicians other than the selected physician (each one's Physician Report)
  • Peer comparison flags (professional subscription, not sold)

Known limitations

  • CMS suppresses code lines with fewer than 11 beneficiaries, so calculated work RVUs are a floor.

Groups with the most Gastroenterology providers in Riverside-San Bernardino-Ontario, CA

Show details9 groups

How groups are counted

Group affiliation: CMS Doctors and Clinicians file; data year 2024. Ordered by the count of providers of the specialty, then by name; groups tied at the end of the list are left out.

Gastroenterology providers in Riverside-San Bernardino-Ontario, CA, 2024

Alphabetical by last name; 97. Each provider's figures and rank in this market are in the Market Comparison.

NameCity
Basim Z Abdelkarim, MDUpland, CA
Homan Abdollahzadeh, MDPalm Springs, CA
Hussein Abidali, DORancho Cucamonga, CA
Vijay P Agarwal, M.D.Palm Springs, CA
Adewale B Ajumobi, M.D.Rancho Mirage, CA
Hussain Al-Darsani, M.D.Chino, CA
Mohammed F AliLoma Linda, CA
Deborah Anghesom-Negusse, MDRancho Cucamonga, CA
Gary M Annunziata, D.O.Rancho Mirage, CA
Gregory J Ardigo, M.D.Murrieta, CA
Mehrdad Asgeri, MDPalm Springs, CA
Kumaravelu Balasubramaniam, MDRialto, CA
Keisha L Baldeosingh, MDLoma Linda, CA
Arnab Biswas, D.O.Victorville, CA
Indraneel Chakrabarty, M.D.Temecula, CA
Milan S Chakrabarty, M.D.Hemet, CA
Albert J Chang, MDRedlands, CA
Andrew C Chang, M.D.Loma Linda, CA
Charles T Chaya, M.D.Riverside, CA
Philip T Chen, MDRiverside, CA
Eric H Choi, M.D.Riverside, CA
Benjamin Chung, MDRiverside, CA
Martin J Collen, M.D.Wildomar, CA
James E Conti, M.D.Rancho Mirage, CA
Jack Dinh, M.D.Murrieta, CA
Anh T Duong, M.D.Rancho Mirage, CA
John R Evans, MDSan Bernardino, CA
Mark Gabriel, D.O.Highland, CA
Neera Grover, MDApple Valley, CA
Victor Guharoy, MDRialto, CA
Nikhil Gupta, M.D.Victorville, CA
Muhammad B Hammami, M.D.Rancho Cucamonga, CA
Galen C Huang, MDRiverside, CA
Richard H Huang, MDVictorville, CA
Chuang T Hung, M.D.Upland, CA
Erick J Imbertson, M.D.Loma Linda, CA
M. Mazen Jamal, M.D., M.P.H.Corona, CA
Mladen Jecmenica, M.D.Corona, CA
Kevin M Jenkins, DOUpland, CA
Won-Seok Jo, M.D.San Bernardino, CA
Vikram S Kanagala, M.DRancho Mirage, CA
James C Kao, MDMurrieta, CA
Zeid K Kayali, M.D.Rialto, CA
Thomas M Kemmerly, M.D.Murrieta, CA
Hansen Kwok, M.D.Loma Linda, CA
Eugene Lam, MDLa Quinta, CA
Brian T Lee, MDSan Bernardino, CA
Hin Wah Lee, M.D.Highland, CA
Scott H Lee, M.D.Corona, CA
Henry C Lin, M.D.Victorville, CA
Sarah Z Maher, M.D.Rancho Mirage, CA
Mamta Mehta, M.D., M.P.HRancho Mirage, CA
Nischita Merla, MD, MPHUpland, CA
Vinod Mishra, MDRiverside, CA
Yash Mittal, M.D.Rancho Mirage, CA
Carol S Murakami, MDRedlands, CA
Mysore R Nagaraja, M.D.Upland, CA
Sreenivasa R Nakka, M.D,F.A.C.P,F.A.C.GHemet, CA
Seyedehsan Navabi, M.D.Murrieta, CA
Matthew J Oman, M.D.Loma Linda, CA
Jean Bernadette U Ong Kian Koc, M.D.Riverside, CA
Ronald OrtizoRiverside, CA
Marco A Paez, M.D.Corona, CA
Nour Parsa, M.D.Loma Linda, CA
Bhavesh Patel, M.D.Rancho Cucamonga, CA
Sharmila R Patel, MDRiverside, CA
Yogendra B Patel, MDMoreno Valley, CA
Thu N Pham, M.D.Riverside, CA
Liza J Plafsky, MDMurrieta, CA
Raman S Poola, M.D.Apple Valley, CA
Naishadh N Raghuwanshi, MD, MBAMurrieta, CA
Mina O Rakoski, M.D.Loma Linda, CA
Prachi Rana, MDSan Bernardino, CA
Rawel S Randhawa, M.D.Riverside, CA
Jyothi A Reddy, MDRiverside, CA
Kaunteya Reddy, MDBanning, CA
Sudhir K Reddy, M.D.Chino, CA
Ulysses S Rosas, MDRancho Mirage, CA
George B Saffouri, MDRedlands, CA
Khaled M Selim, M.D.Loma Linda, CA
Umesh Shah, M.D.Chino, CA
Omar Shahbaz, M.D., M.S.Corona, CA
Mohammad J Shakfeh, M.DChino, CA
Huafeng Shen, M.D.Murrieta, CA
Ajeet R Singhvi, M.D.Hemet, CA
Pejman Solaimani, M.DRiverside, CA
Christina M Steinhauser, D.O.Murrieta, CA
Sathish Subramanian, MD, PHDTemecula, CA
Eric SzuCorona, CA
Arian Teymoorian, M.D.Murrieta, CA
Nikhil ThiruvengadamLoma Linda, CA
Ravi Thiruvengadam, MDRiverside, CA
Andrea S Tieng, M.D.Rancho Cucamonga, CA
Rajesh Veluvolu, MDTemecula, CA
Carl G West, M.D.Laquinta, CA
Lida Zhen, M.D.Highland, CA
Xin Zheng, D.O.Loma Linda, CA

Original Medicare Part B fee-for-service only; payments go to the billing entity. How every figure is computed: methodology, including known limitations.

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service).