Physician Profile
Unclaimed ProfileAbout RYAN
Michael J Ryan, M.D. practises gastroenterology in Norfolk, VA. Michael is a 1979 graduate of Johns Hopkins University 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 does Dr. Ryan specialise in?
Dr. Ryan is a gastroenterology in Norfolk, VA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where is Dr. Ryan located?
Dr. Ryan is listed at 885 KEMPSVILLE RD SUITE 114, Norfolk, VA 23502. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Ryan's phone number?
The number on file is (757) 466-0165. 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 1962488668. 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
Where did Dr. Ryan go to medical school?
Dr. Ryan attended Johns Hopkins University School of Medicine, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Ryan been practising?
Dr. Ryan has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Ryan do most often?
According to Medicare billing data, Dr. Ryan performs procedures including biopsy of large bowel using a flexible endoscope, biopsy of esophagus, stomach, and/or upper small 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
- (757) 466-0165
- Email not available
Practice Locations
885 KEMPSVILLE RD SUITE 114
Norfolk, VA 23502
Procedures Most Often Billed to Medicare
1,481 services · 1,279 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
78 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
77 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
75 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
57 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
35 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
31 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
24 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
20 |
| Diagnostic exam of lower portion of large bowel using a flexible endoscope | Procedure | 45330 |
15 |
| Dilation of esophagus | Procedure | 43450 |
15 |
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 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 31 related providers in 4 groups
Other gastroenterology specialists in Norfolk 7
Same specialty, same city.
Trained at Johns Hopkins University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1979 at Johns Hopkins University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of large bowel using a flexible endoscope 8
Providers in VA 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.