CPT code 33953: ECMO cannulation, open, age six and older2026 Medicare rate & RVUs in Aromas, California
CPT 33953: $420.01–$462.06 facility across 2 localities in Aromas, CA in 2026 Medicare. Compare each area.
CMS doesn’t publish an office rate for 33953 in Aromas, California.
Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.
On this page 6 sections
Where 33953 pays more and less in Aromas, California
Aromas, California maps to 2 Medicare payment localities in our Census-to-CMS crosswalk. A city name alone doesn’t confirm an address’s payment area.
| Payment locality | Office | Facility |
|---|---|---|
| Salinas, CA | Unavailable | $420.01 |
| San Benito County, CA | Unavailable | $462.06 |
How payment areas work in Aromas
City limits and Medicare payment areas are different maps. These are the payment areas that cover the city’s counties; the service ZIP decides which one applies.
- Monterey · Monterey County
- San Benito · San Benito County
City boundaries: 2026 Census geography · Census source · CMS county-to-locality definitions
How the 33953 rate is calculated
Each of 33953’s three RVUs is multiplied by a geographic index (GPCI) for the payment locality, added up, and multiplied by the conversion factor. Drag the indexes or enter a ZIP to see what moves the rate.
How the rate is built · 33953
RVUs × geographic indexes × conversion factor
Work8.88
8.88 RVUs× 1.000 GPCI
Practice expense1.97
1.97 RVUs× 1.000 GPCI
Malpractice2.12
2.12 RVUs× 1.000 GPCI
Adjusted RVUs
12.9700
Conversion factor
$33.4009
Medicare rate
$433.21
Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.
Payment rules and modifiers for 33953
The CMS indicators that decide how 33953 is paid alongside other services.
CMS payment indicators · 33953
ECMO cannulation, open, age six and older
| Rule | CMS value | What it means |
|---|---|---|
| Global period | 000 | Same-day global: pre- and post-op care on the day of the procedure is included. |
| Multiple procedures | 2 | Standard reduction: highest-valued procedure at 100%, others at 50%. |
| Bilateral (modifier 50) | 0 | The 150% bilateral adjustment doesn’t apply. |
| Assistant at surgery (80/81/82/AS) | 0 | Not paid without supporting documentation. |
| Co-surgeons (62) | 0 | Not permitted. |
| Team surgery (66) | 0 | Not permitted. |
| Professional/technical | 0 | Physician service: no professional/technical split. |
What modifiers do to the payment
Modifier 51 · payment effect
With and without the modifier
33953 without 51 · national facility
$433.21
ECMO cannulation, open, age six and older
33953-51 · Second procedure: 50%
$216.61
When this isn’t the highest-valued procedure in the session, Medicare pays 50% of its fee schedule amount (the highest is paid at 100%).
Where these rates come from
FeeBase calculates base physician payments from CMS work, practice-expense and malpractice RVUs, adjusted by each locality’s geographic indexes and the conversion factor. Services without a published rate are labeled, never given a made-up amount. Amounts are Medicare allowed amounts before claim adjustments: not a patient’s bill or a commercial rate.
CMS RVU26D · effective Oct 1, 2026 through the day before Jan 1, 2027
Show the CMS file lines behind this rate
Fee sheets · Coming soon
Put 33953 and the rest of your codes on one sheet
Your codes at your locality, with payer contracts beside Medicare.
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