DR. ANDREW NICHOLAS HOLLENBECK (M.D.) – Surgery Physician, NPI 1790028207
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
7,218 INTERNAL MEDICINE in MI
Provider Addresses for DR. ANDREW NICHOLAS HOLLENBECK (M.D.)
521 MONROE ST
PETOSKEY, MI 497702266
Phone: (231) 487-1900
Fax: (231) 348-0984
Type: Mailing
4201 ST. ANTOINE
6-C UNIVERSITY HEALTH CENTER DEPARTMENT OF SURGERY
DETROIT, MI 48201
Phone: (313) 577-5009
Type: Location
521 Monroe St
Petoskey, MI 497702266
Phone: (231) 487-1900
Fax: (231) 348-0984
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 56 Open Payments records for all available years, with a total value of $36,128.
Total Amount is formed as General ($36,128) + Research ($0) + Ownership ($0) = $36,128.
Last reported payment date: 2024-11-25 • Largest payer in this snapshot: Intuitive Surgical, Inc. ($26,867).
Total Amount
$36,128
General + Research + Ownership
Payments
56
Total payment records
General Amount
$36,128
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Intuitive Surgical, Inc. | $26,867 |
| AngioDynamics, Inc. | $8,800 |
| Abbott Laboratories | $140 |
| Endogastric Solutions, Inc | $97 |
| Novo Nordisk Inc | $41 |
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: 2019-04-24
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 |
|---|---|---|---|---|
| I20190424001740 | I | Internal Medicine | MI | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 74 | 56 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 62 | 47 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 59 | 58 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 53 | 46 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 35 | 31 | $0 |
Insurance plans in this area (ZIP 49770)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | MI | |
| Vascular Surgery | OH | |
| Physician Assistant | MI | |
| General Surgery | MI | |
| General Surgery | MI | |
| General Surgery | MI | |
| General Surgery | MI | |
| Vascular Surgery, General Surgery | MI |
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