DR. ISAAC L RAIJMAN (MD) – Gastroenterology Physician, NPI 1689679557
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,498 GASTROENTEROLOGY in TX
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Provider Addresses for DR. ISAAC L RAIJMAN (MD)
South Shepherd Drive, Houston, Harris County, Texas, 77098, United States
HOUSTON, TX 770985316
Phone: (713) 795-4444
Fax: (713) 795-5254
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 336 Open Payments records for all available years, with a total value of $71,754.
Total Amount is formed as General ($71,754) + Research ($0) + Ownership ($0) = $71,754.
Last reported payment date: 2024-12-23 • Largest payer in this snapshot: Boston Scientific Corporation ($65,982).
Total Amount
$71,754
General + Research + Ownership
Payments
336
Total payment records
General Amount
$71,754
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
2
Ownership records
Last Payment Date
2024-12-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $65,982 |
| CONMED Corporation | $1,609 |
| ABBVIE INC. | $1,041 |
| Ambu Inc. | $800 |
| Micro-tech Endoscopy USA, Inc. | $367 |
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: 2010-11-17
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 |
|---|---|---|---|---|
| I20101117000245 | I | Gastroenterology | TX | 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 |
|---|---|---|---|---|
| 99439 | 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 | 316 | 39 | $0 |
| 99490 | Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 173 | 40 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 166 | 147 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 118 | 115 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 100 | 30 | $0 |
Insurance plans in this area (ZIP 77098)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | TX | 43235 | Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope | 35 | 34 |
| GASTROENTEROLOGY | TX | 45378 | Diagnostic examination of large bowel using an endoscope | 14 | 14 |
| GASTROENTEROLOGY | TX | 45385 | Removal of polyps or growths of large bowel using an endoscope | 33 | 33 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Gastroenterology, Internal Medicine | TX | |
| Nurse Practitioner | TX | |
| Gastroenterology, Internal Medicine | ND | |
| Internal Medicine, Gastroenterology | TX | |
| G A S T R O E N T E R O L O G Y | TX | |
| G A S T R O E N T E R O L O G Y | TX | |
| G A S T R O E N T E R O L O G Y | TX | |
| G A S T R O E N T E R O L O G Y | LA | |
| G A S T R O E N T E R O L O G Y | TX | |
| Gastroenterology, Internal Medicine | TX |
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