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THE ONCOLOGY INSTITUTE CA, A PROFESSIONAL CORPORATION

PAC 5698872398 Provider group
HEMATOLOGY/ONCOLOGY · LAKEWOOD, CA · hospital-affiliated
Specialty HEMATOLOGY/ONCOLOGY — most common member specialty (multi-specialty groups carry one label; see Methods)
Footprint Registered in LAKEWOOD, CA · bills Medicare in 9 states
Scale 110 providers on the CMS registry roster · 175 codes billed (five-year data window) · 118,204 services (all billed codes, CY2024)
Medicare paid $3.7M · across all billed codes, CY2024, attributed & disclosed
Affiliation Hospital-affiliated — at least one member holds a hospital affiliation in the CMS registry
Contact (562) 232-0550 — CMS registry listing
CMS Doctors & Clinicians registry · Medicare Part B physician/supplier claims · figures are attributed (single-group clinicians) and disclosed fee-for-service — a subset, never complete totals · group series shown over the most recent 5 years (rosters archived from 2019)
Group analytics

Who's billing in this group, plus the paid volume analytics · CY2024

Clinician makeup · CY2024
Physicians 59Advanced-practice 4Other clinicians 0= 63 clinicians billed · CY2024
By clinician headcount, CY2024. 'Physician' follows Medicare's §1861(r) definition (MD/DO, podiatry, optometry, dental medicine, chiropractic); facility and supplier enrollments are not counted as clinicians. These 63 are the clinicians who billed in CY2024 — a subset of the all-time registry roster shown on the group's identity card.

Billed 59 of the group's 175 codes this year, across 7 states (CY2024).

The full analytics for this group

Premium

The billed-volume rank, trajectory, and economics behind this group — computed on the same disclosed Medicare Part B data.

What Medicare paid this group in CY2024 is on the group's identity card — free, on every tier. Premium breaks that figure down per code and per service, and puts the volume behind it in national and peer context.

  • Per-code payment breakdown & avg $/service — dollars behind the volume
  • Beneficiary-episode volume — reach, not just service counts
  • Office vs. facility setting mix — place-of-service code split
  • National billed-volume rank — percentile, cohort & year disclosed
  • Size-peer billed-volume benchmark — vs. groups of similar size
  • Top-3 clinician share — how volume distributes
  • 5-year volume trend — direction across the window
  • Business mix — largest codes by payment

Rank and benchmark figures are billed-volume positions among peers, not measures of care. All figures attributed (single-group clinicians) and disclosed Medicare Part B fee-for-service.

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Medicare Part B FFS · CY2024 · as published by CMS

Provider volumes, all codes · CY2024

NPIProviderCredentialsTypeCitySt Services (all codes) locked column
1932545746 Migliano, John M.D Hematology-Oncology TucsonAZ premium
1558703801 Chahal, Jaspreet MD Hematology-Oncology TucsonAZ premium
1114946696 Yang, Honghao MD Medical Oncology AlhambraCA premium
1881119501 Mohammadi, Oranus MD Hematology-Oncology FresnoCA premium
1730102286 Orr, Leo M.D. Hematology-Oncology Los AngelesCA premium
1407933781 Parikh, Nutan M.D. LTD APC Hematology-Oncology HendersonNV premium
1154427920 Huang, Daniel M.D. Hematology-Oncology Santa AnaCA premium
1235332925 Xiang, Dong MD Medical Oncology San GabrielCA premium
1982989836 Marathe, Omkar MD Hematology-Oncology LakewoodCA premium
1649698630 Sarwari, Nawid M.D. Hematology-Oncology AnaheimCA premium
1649241472 Maity, Rita MD Hematology-Oncology North Las VegasNV premium
1336594175 Quirch, Miguel MD Hematology-Oncology Los AngelesCA premium
1043233760 Grant, Ellsworth M.D Hematology-Oncology Los AngelesCA premium
1831695667 Kim, Do Young MBBS Hematology-Oncology CerritosCA premium
1033847546 Stresz, Inna NP Nurse Practitioner Las VegasNV premium
1730379728 Rupani, Ravin M.D. Hematology-Oncology MontebelloCA premium
1659716959 Baseri, Babak M.D. Hematology-Oncology CerritosCA premium
1972766772 Ogunleye, Foluso MD Hematology-Oncology CerritosCA premium
1891164307 Del Rosario, Michael M.D. Hematology-Oncology LakewoodCA premium
1851582860 Sapra, Ranjan M.D. Hematology-Oncology Fountain ValleyCA premium
1992167076 Esfandiarifard, Saghi Hematology-Oncology BurbankCA premium
1689838641 Haque, Dilruba M.D. Hematology-Oncology Newport BeachCA premium
1174611750 Zevallos, Manuel MD Hematology-Oncology LynwoodCA premium
1386627040 Wall, Robert M.D. Hematology-Oncology CharlestonSC premium
1720242704 Nakhl, Fadi M.D. Hematology-Oncology LynwoodCA premium
1053303255 Valladares, Jose MD Hematology-Oncology VictoriaTX premium
1871948950 Yamagata, Hiroshi MD Hematology-Oncology CerritosCA premium
1881682318 Mazumder, Amitabha M.D. Medical Oncology DowneyCA premium
1063470391 Miel, Rufina Pamela Mae MD Hematology-Oncology Fountain ValleyCA premium
1538149224 Marquez, Sheri MD Radiation Oncology Santa MariaCA premium
1508847625 Hashimi, Labib M.D. Hematology-Oncology ChinoCA premium
1912260829 Schwerkoske, John MD Hematology-Oncology Chula VistaCA premium
1326351537 Awkar Lazo, Nelly M.D Hematology-Oncology DowneyCA premium
1578825824 Unal, Ersin MD, PHD Hematology-Oncology LakewoodCA premium
1609879170 Shaikh, Anwer M.D. Hematology-Oncology VistaCA premium
1982883948 Ehsan, Alex M.D, Hematology-Oncology ShermanTX premium
1700851482 Andrey, Jeffrey M.D. Hematology La JollaCA premium
1316967854 Gopurala, Balaganesh MD Medical Oncology DowneyCA premium
1346278546 Malik, Imtiaz M.D. Hematology-Oncology MercedCA premium
1447298633 Sanchez, Juan MD Hematology-Oncology CerritosCA premium
1063168094 Wharram, Jennifer PA Physician Assistant San DiegoCA premium
1346293883 Antic, Nenad MC Hematology-Oncology Los AngelesCA premium
1467448100 Kandahari, Masoom MD FACP Hematology-Oncology WoodbridgeVA premium
1750302261 Rha, Janice MD Radiation Oncology LawndaleCA premium
1255412664 Bender, Richard M.D. Medical Oncology Mission ViejoCA premium
1497491435 Pichette, Megan Nurse Practitioner NashvilleTN premium
1821382250 Ali, Sami · member of 2 groups M.D. Hematology-Oncology SnellvilleGA premium
1457430399 Bouzaglou, Armand · member of 2 groups M.D Radiation Oncology DowneyCA premium
1881702645 Chillar, Ram · member of 2 groups M.D. Medical Oncology Los AngelesCA premium
1285606483 Hagin, Gerald · member of 2 groups M.D. Hematology-Oncology TucsonAZ premium
1790190429 Khoury, John · member of 2 groups MD Hematology-Oncology CerritosCA premium
1962760074 La Porte, Paul · member of 2 groups M.D., PH.D. Hematology-Oncology CerritosCA premium
1568061117 Magsaysay, Charisse · member of 2 groups NP Nurse Practitioner TustinCA premium
1326155391 Morar, Sanda · member of 2 groups MD Hematology-Oncology Las VegasNV premium
1861571218 Muslim, Muhammad · member of 2 groups MD Hematology-Oncology RiversideCA premium
1407388010 Nguyen, Ngan · member of 2 groups D.O. Hematology-Oncology RiversideCA premium
1568537314 Romero, Raymundo · member of 3 groups M.D. General Practice GlendaleCA premium
1215201058 Sarkissian, Sarmen · member of 2 groups M.D. Internal Medicine Mission HillsCA premium
1174609358 Sharma, Sanjay · member of 2 groups M.D. Hematology-Oncology FullertonCA premium
1609804350 Wallace, Olukemi · member of 2 groups M.D. Hematology-Oncology InglewoodCA premium
1366698912 Yeh, Howard · member of 2 groups MD Medical Oncology Beverly HillsCA premium
1144744772 Yu, Arlene · member of 2 groups MD, MBA Hematology-Oncology CerritosCA premium
1558462424 Zhang, Hao · member of 2 groups M.D. Hematology-Oncology Los AngelesCA premium

Volumes are attributed to a group only for clinicians affiliated with exactly one group. Clinicians in several groups are listed ("member of N groups") but shown as "—" — their volume is not attributed to any single group. A "—" on a single-group clinician means CMS suppressed the figure (fewer than 11 beneficiaries), never zero. Beneficiary-episodes count CMS's per-setting beneficiary figures, not unique patients. Average Medicare payment is the amount Medicare actually paid per service, weighted by service volume across office and facility settings. Where the roster is a single clinician, that clinician's service counts match the group's attributed volume shown on the ranked results, so they are shown here; the per-provider split across a larger roster is a premium feature. See Methods & Sources.