CHRISTOPHER RYAN MUSSMAN (D.O.) – Surgery Physician, NPI 1578837019
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
729 GENERAL SURGERY in IN
Provider Addresses for CHRISTOPHER RYAN MUSSMAN (D.O.)
7895 GRAND BLVD
HOBART, IN 463426665
Phone: (219) 947-1910
Type: Mailing
12800 MISSISSIPPI PKWY STE C100
CROWN POINT, IN 463076900
Phone: (219) 662-5585
Fax: (219) 662-5586
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 16 Open Payments records for all available years, with a total value of $1,534.
Total Amount is formed as General ($1,534) + Research ($0) + Ownership ($0) = $1,534.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Intuitive Surgical, Inc. ($1,102).
Total Amount
$1,534
General + Research + Ownership
Payments
16
Total payment records
General Amount
$1,534
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Intuitive Surgical, Inc. | $1,102 |
| Davol Inc. | $306 |
| Medical Device Business Services, Inc. | $125 |
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: 2017-09-29
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 |
|---|---|---|---|---|
| I20170929001995 | I | General Surgery | IN | 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 | 108 | 60 | $0 |
| 99221 | Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 92 | 90 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 32 | 32 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 22 | 16 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 17 | 12 | $0 |
Insurance plans in this area (ZIP 46342)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | IN | |
| General Surgery | IN | |
| General Surgery | CA | |
| General Surgery | IN | |
| General Surgery | IN | |
| General Surgery | IN | |
| General Surgery | IN | |
| General Surgery | IN | |
| General Surgery | IN | |
| General Surgery | IL |
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