SEAN A CHRYSTAL (DO) – Hospitalist Physician, NPI 1598968406
Hospitalist Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,268 EMERGENCY MEDICINE in IN
Provider Addresses for SEAN A CHRYSTAL (DO)
5454 Hohman Ave
Hammond, IN 463201931
Phone: (219) 933-2077
Fax: (219) 864-2649
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
Former Franciscan Health Hammond Hospital, 5454, Hohman Avenue, Old Downtown, Hammond, North Township, Lake County, Indiana, 46320, United States
HAMMOND, IN 463201931
Phone: (219) 933-2077
Fax: (219) 864-2649
Type: Location
24 JOLIET ST
DYER, IN 463111705
Phone: (219) 852-1524
Fax: (219) 933-2288
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $21.
Total Amount is formed as General ($21) + Research ($0) + Ownership ($0) = $21.
Last reported payment date: 2024-01-12 • Largest payer in this snapshot: ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) ($21).
Total Amount
$21
General + Research + Ownership
Payments
1
Total payment records
General Amount
$21
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-01-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | $21 |
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: 2022-01-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20090817000596 | I | Emergency Medicine | IN | TBD |
| I20220128000657 | I | Emergency Medicine | FL | 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 |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 240 | 221 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 195 | 169 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 110 | 109 | $0 |
| 99291 | Critical care, first 30-74 minutes | 44 | 44 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 13 | 12 | $0 |
Insurance plans in this area (ZIP 46320)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IN | |
| - | IN | |
| - | IN | |
| - | MI | |
| - | IN | |
| - | IN | |
| Family Practice | IN | |
| - | MI | |
| Internal Medicine | IN | |
| Internal Medicine, Emergency Medicine | MI |
Reviews
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