Physician Profile
John F. Guarino, M.D. practices surgery in Port Charlotte, FL. John is a 1990 graduate of Georgetown University School of Medicine. According to Medicare claims data, John cared for 1,458 Medicare patients across 1,568 services. The services billed most often include established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more, new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, and office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
4245 KINGS HIGHWAY UNIT A
Port Charlotte, FL 33980
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.
Most searched conditions
Breast conditions
Cancer
Colorectal
Digestive
Digestive & blood
Digestive health
Endocrine
Infections
Lumps & bumps
Lymphatic
Minor surgery
Skin & scars
Skin & soft tissue
Skin cancer
Vascular
Weight & metabolism
Wound care
Wounds
Most searched procedures
Abdominal
Abdominal surgery
Bariatric
Breast surgery
Cancer
Cancer surgery
Colorectal
Consultations
Diagnostic
Digestive
Digestive health
Endocrine
Infections
Minor surgery
Post-op care
Reconstruction
Skin & soft tissue
Skin cancer
Vascular
Vascular & cancer
Weight loss
Wound care
Wounds
1,568 services · 1,458 patients · 20 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
102 | More than most peers in Surgery |
| Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery | Procedure | 45384 |
89 | More than most peers in Surgery |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
66 | More than most peers in Surgery |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
45 | More often than most peers in Surgery |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
30 | More often than most peers in Surgery |
| Insertion of central venous tube with port (5 years or older) | Procedure | 36561 |
21 | More often than most peers in Surgery |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
18 | As often as other peers in Surgery |
| Repair of groin hernia using an endoscope | Procedure | 49650 |
17 | As often as other peers in Surgery |
| Fluoroscopic guidance for insertion or removal of central vein access device | Imaging | 77001 |
19 | More often than most peers in Surgery |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
378 | More than most peers in Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
John F. Guarino is a general surgeon in Port Charlotte, FL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.
NPI registry
John F. Guarino is listed at 4245 Kings Highway Unit A, Port Charlotte, FL 33980. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (941) 391-5102. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
John F. Guarino's National Provider Identifier is 1417989328. 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
John F. Guarino attended Georgetown University School of Medicine, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
John F. Guarino has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, John F. Guarino 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 a flexible endoscope with electrical cautery and diagnostic exam of large bowel using a flexible endoscope; reads or performs imaging such as fluoroscopic guidance for insertion or removal of central vein access device, 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 John F. Guarino. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.