DR. DONGWOO JOHN CHANG (M.D.) – Neurological Surgery Physician, NPI 1962485037
Neurological Surgery Physician
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Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. DONGWOO JOHN CHANG (M.D.)
6633, North 3rd Street, East Oak Lane, North Philadelphia, Philadelphia, Philadelphia County, Pennsylvania, 19126, United States
PHILADELPHIA, PA 191263121
Phone: (815) 394-9788
Type: Mailing
PO BOX 3988
CARBONDALE, IL 629023988
Phone: (618) 351-4972
Fax: (618) 351-4973
Type: Mailing
305 W JACKSON ST STE 400
CARBONDALE, IL 629011474
Phone: (618) 351-4972
Fax: (618) 351-4973
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $46.
Total Amount is formed as General ($46) + Research ($0) + Ownership ($0) = $46.
Last reported payment date: 2024-10-23 • Largest payer in this snapshot: Baxter Healthcare ($46).
Total Amount
$46
General + Research + Ownership
Payments
2
Total payment records
General Amount
$46
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
| Company | Amount |
|---|---|
| Baxter Healthcare | $46 |
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: 2019-07-11
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 4 Medicare enrollment records; no due dates published yet.
Enrollment records
4
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 |
|---|---|---|---|---|
| I20080819000941 | I | Neurosurgery | IL | TBD |
| I20150521002090 | I | Neurosurgery | MI | TBD |
| I20170112002423 | I | Neurosurgery | CO | TBD |
| I20190711002648 | I | Neurosurgery | NY | 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 |
|---|---|---|---|---|
| 99441 | Telephone medical discussion with physician, 5-10 minutes | 131 | 98 | $0 |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | 73 | 67 | $0 |
| 63048 | Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment | 48 | 19 | $0 |
| 22614 | Fusion of additional segment of spine | 36 | 17 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 34 | 28 | $0 |
Insurance plans in this area (ZIP 19126)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| H E M A T O L O G Y/ O N C O L O G Y | IL | |
| Cardiovascular Disease (Cardiology) | IL | |
| - | IL | |
| Emergency Medicine | IL | |
| Nurse Practitioner | MO | |
| Nurse Practitioner | IL | |
| Emergency Medicine | IL | |
| - | IL | |
| N E U R O L O G Y | IL | |
| U R O L O G Y | IL |
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