RICHARD GREEN (MD) – Gastroenterology Physician, NPI 1770511404
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
978 GASTROENTEROLOGY in IL
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Provider Addresses for RICHARD GREEN (MD)
676 N SAINT CLAIR ST STE 1440
CHICAGO, IL 606112927
Phone: (312) 695-5620
Fax: (312) 695-7095
Type: Mailing
East Erie Street, Magnificent Mile, Near North Side, Chicago, North Chicago Township, Cook County, Illinois, 60611, United States
CHICAGO, IL 606112987
Phone: (312) 695-5620
Fax: (312) 695-0042
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 18 Open Payments records for all available years, with a total value of $11,687.
Total Amount is formed as General ($11,687) + Research ($0) + Ownership ($0) = $11,687.
Last reported payment date: 2024-08-03 • Largest payer in this snapshot: Mirum Pharmaceuticals, Inc. ($11,687).
Total Amount
$11,687
General + Research + Ownership
Payments
18
Total payment records
General Amount
$11,687
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Mirum Pharmaceuticals, Inc. | $11,687 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-04-22
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100422000586 | I | Gastroenterology | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 22 | 21 | $0 |
| 91200 | Measurement of liver stiffness | 20 | 20 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 12 | 12 | $0 |
Insurance plans in this area (ZIP 60611)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| Diagnostic Radiology, Interventional Radiology | IL | |
| P A T H O L O G Y | IL | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology), Internal Medicine | IL | |
| G A S T R O E N T E R O L O G Y | IL | |
| Internal Medicine | IL | |
| Cardiac Electrophysiology, Cardiovascular Disease (Cardiology), Internal Medicine | MN | |
| - | IL | |
| Physical Therapist In Private Practice | IL | |
| Nurse Practitioner | IL |
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