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Edit this profileBased in Carmel, IN, David Diaz, MD is listed in the NPI registry under surgery. David graduated from University of Miami, Lm Miller School of Medicine in 1982. According to Medicare claims data, David cared for 68 Medicare patients across 77 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope, and initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes. NPI 1639101058 identifies this record in the national registry.
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.
13430 N MERIDIAN ST SUITE 275
Carmel, IN 46032
Within Surgery (Unspecified) 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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77 services · 68 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
22 | More often than most peers in Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
28 | As often as other peers in Surgery |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
16 | Less often than most peers in Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
11 | Less often than most peers in Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Diaz is a general surgeon in Carmel, IN. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.
NPI registry
Dr. Diaz is listed at 13430 N Meridian St Suite 275, Carmel, IN 46032. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (317) 582-8810. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Diaz's National Provider Identifier is 1639101058. 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
Dr. Diaz attended University of Miami, Lm Miller School of Medicine, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
Dr. Diaz has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Diaz performs procedures including diagnostic exam of esophagus, stomach, and/or upper small 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 Dr. Diaz. If this is you, claiming it is free.
Guide.md
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