ALAN MARK AUERBACH (M.D.) – Gastroenterology Physician, NPI 1902913759
Gastroenterology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
978 GASTROENTEROLOGY in IL
Provider Addresses for ALAN MARK AUERBACH (M.D.)
1040 SIERRA DR STE 400
GREENWOOD, IN 461437241
Phone: (317) 528-4800
Type: Mailing
5744 N BROADWAY ST
CHICAGO, IL 606604302
Phone: (312) 335-0180
Fax: (773) 275-4679
Type: Location
15 Tower Ct Ste 210
Gurnee, IL 600313355
Phone: (847) 599-1444
Fax: (847) 599-1665
Type: Location
1324 N Sheridan Rd
Waukegan, IL 600852161
Phone: (847) 360-3000
Type: Location
11104 Parkview Circle Dr Ste 310
Fort Wayne, IN 468451733
Phone: (260) 266-5230
Fax: (260) 266-5238
Type: Location
720 HORATIO BLVD
BUFFALO GROVE, IL 600896402
Phone: (847) 508-1509
Fax: (847) 459-8968
Type: Location
1910, Michigan Box Company, Detroit, Wayne County, Michigan, 48211, United States
DETROIT, MI 482781076
Phone: (317) 528-4800
Fax: (317) 865-1479
Type: Mailing
Superior Avenue, Munster, Lake County, Indiana, 46321, United States
MUNSTER, IN 46321
Phone: (219) 934-9813
Fax: (219) 934-9823
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 7 Open Payments records for all available years, with a total value of $264.
Total Amount is formed as General ($264) + Research ($0) + Ownership ($0) = $264.
Last reported payment date: 2024-10-23 • Largest payer in this snapshot: Salix Pharmaceuticals, a division of Bausch Health US, LLC ($149).
Total Amount
$264
General + Research + Ownership
Payments
7
Total payment records
General Amount
$264
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-23
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2023-10-09
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20070501000678 | I | Gastroenterology | IL | TBD |
| I20080805000062 | I | Gastroenterology | IN | TBD |
| I20231009001898 | I | Gastroenterology | HI | 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 |
|---|---|---|---|---|
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 27 | 19 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 21 | 14 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 21 | 18 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 19 | 19 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 16 | 13 | $0 |
Insurance plans in this area (ZIP 46143)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | IN | 45378 | Diagnostic examination of large bowel using an endoscope | 22 | 21 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IN | |
| Nurse Practitioner | NM | |
| - | IN | |
| Nurse Practitioner | IN | |
| Family Practice | IN | |
| - | IN | |
| - | IN | |
| Infectious Disease | IN | |
| Internal Medicine | IN | |
| - | IN |
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