Michael Ryan, M.D.
NPI 1962488668 · Gastroenterology Physician · Norfolk, VA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Ryan, M.D. is a Gastroenterology Physician provider in Norfolk, VA (NPI 1962488668).
Provider details
- NPI number
- 1962488668
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0101036589 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,492 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 391 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 160 | $93 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 117 | $80 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 78 | $341 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 77 | $351 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sucralfate | 210 | 79 |
| Omeprazole | 196 | 61 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 144 | 141 |
| Pantoprazole Sodium | 92 | 31 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 76 | 75 |
| Ursodiol | 67 | 21 |
| Esomeprazole Magnesium | 62 | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$66,559 across 120 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-15
- Last updated
- 2007-08-22
Frequently asked questions
- What is Michael Ryan's NPI number?
- Michael Ryan's National Provider Identifier (NPI) is 1962488668, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Ryan's specialty?
- Michael Ryan is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Ryan located?
- Michael Ryan's practice location on file with NPPES is 885 Kempsville Rd, Norfolk, VA 23502-3800.
- What is Michael Ryan's phone number?
- The practice phone number listed in the NPPES registry for Michael Ryan is (757) 466-0165.
- Does Michael Ryan accept Medicare?
- Michael Ryan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Ryan's NPI active?
- Yes — Michael Ryan's NPI (1962488668) is active in the NPPES registry as of the last update on 2007-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.