Physician Profile
Unclaimed ProfileAbout SHEKLETON
John K. Shekleton, M.D. practises gastroenterology in Tucson, AZ. John is a 1985 graduate of Southern Illinois University School of Medicine. John is also listed as specialising in specialist.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Shekleton's specialty?
Dr. Shekleton is a gastroenterology in Tucson, AZ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where can I find Dr. Shekleton?
Dr. Shekleton is listed at 1871 W ORANGE GROVE RD STE 101, Tucson, AZ 85704. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Shekleton?
The number on file is (520) 219-8342. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Shekleton's NPI number?
Dr. Shekleton's National Provider Identifier is 1649277666. 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
What is Dr. Shekleton's medical education?
Dr. Shekleton attended Southern Illinois University School of Medicine, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Shekleton been practising?
Dr. Shekleton has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Shekleton known for?
According to Medicare billing data, Dr. Shekleton 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 balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Shekleton confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Shekleton. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (520) 219-8342
- Email not available
Practice Locations
1871 W ORANGE GROVE RD STE 101
Tucson, AZ 85704
Procedures Most Often Billed to Medicare
710 services · 644 patients · 16 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
82 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
65 |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
28 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
22 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
22 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
19 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
110 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
66 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
65 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
51 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other gastroenterology specialists in Tucson 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Southern Illinois University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1985 at Southern Illinois University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in AZ who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.