Provider Profile
Demetrios Carellas, PA-C is a physician assistant practicing in Shrewsbury, MA. Demetrios is also listed as specializing in physician assistant — medical. According to Medicare claims data, Demetrios cared for 291 Medicare patients across 426 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more. This provider record is associated with NPI 1568133072.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
378 MAPLE AVE
Shrewsbury, MA 01545
426 services · 291 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
12 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
159 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
79 | As often as other peers in Physician Assistant |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
56 | Less often than most peers in Physician Assistant |
| Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99348 |
32 | Less often than most peers in Physician Assistant |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
28 | As often as other peers in Physician Assistant |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
25 | Less often than most peers in Physician Assistant |
| Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99349 |
20 | Less often than most peers in Physician Assistant |
| Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | Office visit | 99310 |
15 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Demetrios Carellas is a physician assistant in Shrewsbury, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Demetrios Carellas is listed at 378 Maple Ave, Shrewsbury, MA 01545. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (508) 595-2513. Contact the office directly to confirm availability and scheduling.
NPI registry
Demetrios Carellas's National Provider Identifier is 1568133072. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Demetrios Carellas attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
Demetrios Carellas has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Demetrios Carellas provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Demetrios Carellas. If this is you, claiming it is free.
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