Physician
Amster, Robert
Amster, Robert was paid $1.13M by Medicaid between Jan 2018 and Jun 2022, across 27 billing codes. Its largest line is 99213, doctor's office visit, returning patient (routine) — 35% of everything it billed.
33Billing provider infoAMSTER, ROBERT
HUNTINGTON BEACH, CA 92649
HUNTINGTON BEACH, CA 92649
33aNPI1972706083assigned 06/06/2007
33bProvider typeEmergency Medicine Physician
28Total paid$1.13M
24GClaims20,416
24DCodes billed27
24AFirst – last monthJan 2018 – Jun 2022
Compared with peers
Next to other Emergency Medicine Physician providers in California
Rank by total paid#213 of 988
Median peer was paid$32K
This provider vs. median36×
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 | 6,669 | $380K | |
| 2019 | 6,226 | $350K | |
| 2020 | 2,551 | $161K | |
| 2021 | 3,469 | $167K | |
| 2022 | 1,501 | $70K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | 35% | 5,299 | 3,775 | $397K |
| 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 | 30% | 4,146 | 3,437 | $339K |
| 99203 | Doctor's office visit, new patient (routine)Office or other outpatient visit for the evaluation and management of a new patient, low complexity | 25% | 3,878 | 3,099 | $278K |
| 99070 | 4.1% | 2,328 | 2,197 | $46K | |
| 99204 | Doctor's office visit, new patient (more involved)Office or other outpatient visit for the evaluation and management of a new patient, moderate complexity | 3.6% | 487 | 456 | $41K |
| 99212 | Office or other outpatient visit for the evaluation and management of an established patient, straightforward | 1.6% | 214 | 192 | $18K |
| 71046 | Radiologic examination, chest; 2 views | <1% | 193 | 192 | $4K |
| 99202 | Office or other outpatient visit for the evaluation and management of a new patient, straightforward | <1% | 35 | 28 | $3K |
| 96372 | Therapeutic, prophylactic, or diagnostic injection; subcutaneous or intramuscular | <1% | 140 | 130 | $460.08 |
| U0003 | Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, making use of high throughput technologies as described by cms-2020-01-r | <1% | 322 | 302 | $275.00 |
| J1885 | Injection, ketorolac tromethamine, per 15 mg | <1% | 19 | 16 | $215.46 |
| 94640 | Pressurized or nonpressurized inhalation treatment for acute airway obstruction | <1% | 14 | 14 | $166.47 |
15 more codes
| 87804 | Infectious agent antigen detection by immunoassay; Influenza, each type | <1% | 133 | $141.09 |
| 87880 | Infectious agent antigen detection by immunoassay; Streptococcus, group A | <1% | 130 | $126.81 |
| 99000 | <1% | 1,303 | $104.12 | |
| 81002 | <1% | 916 | $64.35 | |
| 81025 | <1% | 243 | $33.30 | |
| A7003 | Administration set, with small volume nonfiltered pneumatic nebulizer, disposable | <1% | 13 | $17.05 |
| U0002 | 2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc | 0% | 351 | $0.00 |
| 82950 | 0% | 14 | $0.00 | |
| 36415 | Collection of venous blood by venipuncture | 0% | 63 | $0.00 |
| 87430 | 0% | 72 | $0.00 | |
| 81000 | 0% | 17 | $0.00 | |
| 86804 | 0% | 15 | $0.00 | |
| 99072 | 0% | 41 | $0.00 | |
| 81003 | 0% | 13 | $0.00 | |
| G8427 | Eligible clinician attests to documenting in the medical record they obtained, updated, or reviewed the patient's current medications | 0% | 17 | $0.00 |
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.