DR. JOON SUNG PARK (MD) – Nephrology Physician, NPI 1699894709
Nephrology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
434 NEPHROLOGY in MI
Provider Addresses for DR. JOON SUNG PARK (MD)
233 Roosevelt Ave E
Battle Creek, MI 490372810
Phone: (269) 349-6759
Type: Location
1230 W State St
Hastings, MI 490589712
Phone: (269) 349-6759
Type: Location
360 E Chicago St Ste 103
Coldwater, MI 490362086
Phone: (269) 349-6759
Type: Location
521 E MICHIGAN AVE
SUITE 201
KALAMAZOO, MI 490073889
Phone: (269) 226-2656
Fax: (269) 349-7450
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $132.
Total Amount is formed as General ($132) + Research ($0) + Ownership ($0) = $132.
Last reported payment date: 2024-10-29 • Largest payer in this snapshot: Otsuka America Pharmaceutical, Inc. ($49).
Total Amount
$132
General + Research + Ownership
Payments
6
Total payment records
General Amount
$132
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-29
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: 2004-03-22
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 |
|---|---|---|---|---|
| I20040322000158 | I | Nephrology | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 236 | 135 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 233 | 54 | $0 |
| 90935 | Hemodialysis procedure with physician evaluation | 64 | 37 | $0 |
| 90961 | Dialysis services, 2-3 physician visits per month (20 years or older) | 51 | 29 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 51 | 35 | $0 |
Insurance plans in this area (ZIP 49037)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEPHROLOGY | MI | 90935 | Hemodialysis procedure with one physician evaluation | 148 | 80 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Otolaryngology, Plastic And Reconstructive Surgery | MI | |
| - | MI | |
| Gastroenterology, Internal Medicine | MI | |
| Nephrology, Internal Medicine | MI | |
| Nephrology, Internal Medicine | MI | |
| Physician Assistant | MI | |
| D E R M A T O L O G Y | MI | |
| O T O L A R Y N G O L O G Y | MI | |
| Nephrology, Internal Medicine | MI | |
| - | MI |
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