Physician Profile
Donald J. Portocarrero, D.O. is a healthcare provider in Arcadia, CA specializing in internal medicine. Donald is also listed as specializing in gastroenterology. According to Medicare claims data, Donald cared for 191 Medicare patients across 207 services. The services billed most often include biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes. This provider record is associated with NPI 1841503570.
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.
623 W DUARTE RD STE 8
Arcadia, CA 91007
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
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207 services · 191 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
53 | As often as other peers in Internal Medicine |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
13 | Less often than most peers in Internal Medicine |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
12 | Less often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
50 | As often as other peers in Internal Medicine |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
41 | More often than most peers in Internal Medicine |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
38 | As often as other peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Donald J. Portocarrero is an internist in Arcadia, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Donald J. Portocarrero is listed at 623 W Duarte Rd Ste 8, Arcadia, CA 91007. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (626) 461-5408. Contact the office directly to confirm availability and scheduling.
NPI registry
Donald J. Portocarrero's National Provider Identifier is 1841503570. 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
Donald J. Portocarrero attended Other, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
Donald J. Portocarrero has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Donald J. Portocarrero performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of large bowel using a flexible endoscope, 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 Donald J. Portocarrero. If this is you, claiming it is free.
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