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YEN, CHARLESM.D. NPI 1215930268 Clinician

Hematology-Oncology · HOUSTON, TX

Specialty Hematology-Oncology — from billed Medicare claims
Trained UNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON — medical school, self-reported to CMS
In practice about 34 years since medical school (class of 1992, self-reported to CMS)
Location HOUSTON, TX · NPPES registered location
Active in data Billed Medicare 2020–2024 (5 consecutive years)
Scale 26 codes billed · 35,303 disclosed volume (CY2024 — most recent year in data)
Current groups
member of 2 groups; the volumes below are this clinician's personal volume and are not attributed to any single group
Hospital affiliations
  • Hospital — CCN 450068
  • Hospital — CCN 450638
  • Hospital — CCN 450774
  • Hospital — CCN 450775
  • Hospital — CCN 450844
registry affiliations from the CMS Doctors & Clinicians facility file — an administrative affiliation, not a statement about where care is delivered

Group affiliation since 2019

20192026
TEXAS ONCOLOGY PA
2026
MILLENNIUM PHYSICIANS ASSOCIATION PLLC
2019–2026

The roster archive begins in 2019, so a span starting at 2019 may reach back further. Membership spans only — no volume is attributed to any group here.

NPPES registry · CMS Doctors & Clinicians registry · Medicare Part B physician/supplier claims · NPPES record last updated 2014-11
Data year CY2024 CY2023 CY2022  CY2021  CY2020 

Provider overview · all codes · CY2024

The full analytics for this provider

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The billed-volume positioning, practice focus, and economics behind this provider — computed on the same disclosed Medicare Part B data.

This provider's disclosed submitted charges across all codes were in CY2024. Included with Platform.

  • Charge, service & beneficiary totals — the disclosed scale, all codes
  • Practice profile — focus & reach — top codes by share of services
  • Office vs. facility setting mix — place-of-service code split
  • Peer positioning — service volume — percentile among specialty peers, cohort & year disclosed
  • Peer positioning — code breadth — how many codes billed, vs peers

Peer positioning shows billed-volume and code-breadth positions among specialty peers, not measures of care (a provider's true volume position can only be higher, never lower). All figures disclosed Medicare Part B fee-for-service; volumes are personal to this NPI, not attributed to any group.

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Procedures billed to Medicare Part B (2024)

Medicare Part B FFS · CY2024 · as published by CMS
CodeDescription Volume Beneficiary-episodes Avg charge Avg Medicare payment
J1439 Injection, ferric carboxymaltose, 1 mg
J1453 Injection, fosaprepitant, 1 mg
J1100 Injection, dexamethasone sodium phosphate, 1 mg
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml
J2469 Injection, palonosetron hcl, 25 mcg
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
96367 Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less
88185 Flow cytometry technique for dna or cell analysis, each additional marker
96413 Administration of chemotherapy into vein, 1 hour or less
96415 Administration of chemotherapy into vein, each additional hour
96372 Injection of drug or substance under skin or into muscle
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
96417 Administration of additional new drug or substance into vein, 1 hour or less
J1200 Injection, diphenhydramine hcl, up to 50 mg
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
96523 Irrigation of implanted venous access drug delivery device
78815 Nuclear medicine study from skull base to mid-thigh with ct scan
A9552 Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries
71260 Ct scan of chest with contrast
74178 Ct scan of abdomen and pelvis before and after contrast
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
88184 Flow cytometry technique for dna or cell analysis, first marker

Showing the top 25 of 26 procedures this clinician billed. The full list is part of the premium platform. Notify me at launch →

These are this provider's own Medicare Part B fee-for-service volumes (CMS public data). CMS suppresses rows with fewer than 11 beneficiaries, so low-volume codes may be missing entirely — absence is not zero. Beneficiary-episodes count CMS's per-setting beneficiary figures, not unique patients. Average charge and average Medicare payment are weighted by service volume across office and facility settings. Volumes on this page are personal to the NPI and are not attributed to any physician group. See Methods & Sources.