DR. ERIC CHRISTOFF (M.D.) – Internal Medicine Physician, NPI 1245287317
Internal Medicine Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
8,824 INTERNAL MEDICINE in IL
Provider Addresses for DR. ERIC CHRISTOFF (M.D.)
6500 N CLARK ST
CHICAGO, IL 606264097
Phone: (773) 388-1600
Type: Location
2835, North Sheffield Avenue, Boystown, Lake View, Lakeview, Chicago, Lake View Township, Cook County, Illinois, 60657, United States
SUITE 301
CHICAGO, IL 606575081
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 319 Open Payments records for all available years, with a total value of $6,991.
Total Amount is formed as General ($6,991) + Research ($0) + Ownership ($0) = $6,991.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: ViiV Healthcare Company ($2,847).
Total Amount
$6,991
General + Research + Ownership
Payments
319
Total payment records
General Amount
$6,991
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ViiV Healthcare Company | $2,847 |
| Gilead Sciences, Inc. | $1,632 |
| Merck Sharp & Dohme LLC | $521 |
| ABBVIE INC. | $407 |
| Theratechnologies Inc. | $235 |
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: 2010-09-03
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 |
|---|---|---|---|---|
| I20100903000196 | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 60626)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | IL | 90670 | Pneumococcal vaccine for injection into muscle | 16 | 16 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IL | |
| Physician Assistant | IL | |
| Physician Assistant | IL | |
| Family Practice | IL | |
| Nurse Practitioner | IL | |
| Clinical Social Worker | IL | |
| Family Practice | IL | |
| - | IL | |
| Family Practice | MI | |
| Physician Assistant | IL |
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