Physician
Ong Rubin Shahmir a Medical Corporation
Ong Rubin Shahmir a Medical Corporation was paid $830K by Medicaid between Jan 2018 and Oct 2024, across 16 billing codes. Its largest line is 90961, — 55% of everything it billed.
33Billing provider infoONG RUBIN SHAHMIR A MEDICAL CORPORATION
FAIRFIELD, CA 94534
FAIRFIELD, CA 94534
33aNPI1992000152assigned 01/20/2011
33bProvider typeNephrology Physician
28Total paid$830K
24GClaims18,225
24DCodes billed16
24AFirst – last monthJan 2018 – Oct 2024
Compared with peers
Next to other Nephrology Physician providers in California
Rank by total paid#55 of 363
Median peer was paid$80K
This provider vs. median10×
Peers share this provider's primary NPPES type and state. Size alone says nothing about billing quality: a big agency or a hospital system is expected to sit far above the median.
Box 24A · Dates of service
Paid by month
Paid that monthNov–Dec 2024: claims still arriving when the file was cut, so these months run low for every provider
By year, as a table
| Year | Claims | Paid | |
|---|---|---|---|
| 2018 | 2,200 | $69K | |
| 2019 | 2,482 | $83K | |
| 2020 | 2,574 | $136K | |
| 2021 | 3,239 | $118K | |
| 2022 | 2,903 | $138K | |
| 2023 | 2,808 | $161K | |
| 2024incomplete | 2,019 | $125K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 90961 | 55% | 6,823 | 6,800 | $457K | |
| 90960 | End-stage renal disease related services monthly, for patients 20 years and older, with 4 or more face-to-face visits | 13% | 1,504 | 1,504 | $111K |
| 99214 | Doctor's office visit, returning patient (more involved)Office or other outpatient visit for the evaluation and management of an established patient, moderate complexity | 7.2% | 2,805 | 2,746 | $60K |
| 90966 | 7.0% | 671 | 646 | $58K | |
| 99232 | Hospital visit by a doctor, follow-up daySubsequent hospital care, per day, moderate complexity | 5.1% | 2,951 | 1,223 | $43K |
| 99233 | Hospital visit by a doctor, follow-up day (complex)Prolong inpt eval add15 m | 4.8% | 1,670 | 629 | $40K |
| 90962 | 3.5% | 654 | 653 | $29K | |
| 99223 | Prolong inpt eval add15 m | 1.3% | 269 | 267 | $11K |
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | <1% | 299 | 299 | $5K |
| 99222 | Initial hospital care, per day, moderate complexity | <1% | 239 | 233 | $4K |
| 90935 | Hemodialysis procedure with single evaluation by a physician | <1% | 172 | 80 | $4K |
| 99291 | Critical care, evaluation and management of the critically ill patient, first 30-74 minutes | <1% | 41 | 14 | $4K |
4 more codes
Claims and beneficiary counts add up across code × month rows, so one patient seen every month counts many times. Rows with fewer than 12 claims are suppressed by HHS, so small lines can be missing.
From NPPES
Who's on the registration
Authorized officialSHAHMIR, EHSAN (PARTNER/PRACTICE PHYSICIAN)