DR. ROBERT SCHWARTZENBERG (M.D.) – Internal Medicine Physician, NPI 1548272545
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,824 INTERNAL MEDICINE in IL
Provider Addresses for DR. ROBERT SCHWARTZENBERG (M.D.)
912 NORTHWEST HWY STE 206
FOX RIVER GROVE, IL 600211925
Phone: (847) 516-8187
Fax: (847) 516-8235
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 119 Open Payments records for all available years, with a total value of $2,557.
Total Amount is formed as General ($2,557) + Research ($0) + Ownership ($0) = $2,557.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: ABBVIE INC. ($313).
Total Amount
$2,557
General + Research + Ownership
Payments
119
Total payment records
General Amount
$2,557
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $313 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $240 |
| PFIZER INC. | $217 |
| AstraZeneca Pharmaceuticals LP | $214 |
| Astellas Pharma US Inc | $150 |
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: 2005-10-18
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 |
|---|---|---|---|---|
| I20051018000648 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 99309 | Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 1,244 | 75 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 511 | 171 | $0 |
| 99350 | Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes | 342 | 29 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 126 | 126 | $0 |
| 83036 | Hemoglobin a1c level | 113 | 57 | $0 |
Insurance plans in this area (ZIP 60021)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | IL | 85610 | Blood test, clotting time | 377 | 38 |
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