Physician Profile
Unclaimed ProfileAbout RYAN
John Ryan, M.D. practises gastroenterology in Las Vegas, NV. John is a 1995 graduate of University of South Carolina School of Medicine.
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. Ryan's specialty?
Dr. Ryan is a gastroenterology in Las Vegas, NV. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where can I find Dr. Ryan?
Dr. Ryan is listed at 8530 SUNSET ROAD #230, Las Vegas, NV 89103. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Ryan?
The number on file is (702) 483-4483. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Ryan's NPI number?
Dr. Ryan's National Provider Identifier is 1073695698. 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. Ryan's medical education?
Dr. Ryan attended University of South Carolina School of Medicine, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Ryan been practising?
Dr. Ryan has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Ryan known for?
According to Medicare billing data, Dr. Ryan performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, biopsy of large bowel using a flexible endoscope and removal of polyps or growths of large bowel using an endoscope with mechanical snare, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Ryan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ryan. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (702) 483-4483
- Email not available
Practice Locations
8530 SUNSET ROAD #230
Las Vegas, NV 89103
Procedures Most Often Billed to Medicare
1,239 services · 746 patients · 17 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
60 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
58 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
46 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
24 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
24 |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
14 |
| Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99439 |
306 |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
175 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
158 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
92 |
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 in Las Vegas 8
Same specialty, same city.
Trained at University of South Carolina School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1995 at University of South Carolina School of Medicine 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in NV 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.