SANGGYU BAE (MD) – Hematology & Oncology Physician, NPI 1831485077
Hematology & Oncology Physician
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Profile Insights
NPPES metrics only — not quality of care.
56 HEMATOLOGY in IA
Provider Addresses for SANGGYU BAE (MD)
621 S ILLINOIS AVE
SUITE 103
MASON CITY, IA 504015489
Phone: (641) 428-3041
Fax: (641) 428-3059
Type: Mailing
1000 4TH ST SW
MASON CITY, IA 504012800
Phone: (641) 428-6300
Fax: (641) 428-6374
Type: Location
202 10TH ST SE
CEDAR RAPIDS, IA 524032414
Phone: (319) 297-2900
Fax: (866) 274-5194
Type: Mailing
PO BOX 5074
SIOUX FALLS, SD 571175074
Phone:
Type: Mailing
150 W High St
Morris, IL 604501497
Phone: (815) 942-2932
Type: Location
1233 34th St NW
Bemidji, MN 566015112
Phone: (218) 333-5522
Type: Location
4305 W Medical Center Dr Ste 1
McHenry, IL 600508425
Phone: (815) 759-8100
Fax: (815) 759-8106
Type: Location
500 UNIVERSITY DR
HERSHEY, PA 170332360
Phone: (800) 243-1455
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: 2023-04-25 • Largest payer in this snapshot: Mirati Therapeutics, Inc. ($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
2023-04-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Mirati Therapeutics, Inc. | $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: 2024-11-04
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 |
|---|---|---|---|---|
| I20170731003489 | I | Internal Medicine | IA | TBD |
| I20231018001501 | I | Hematology/Oncology | IL | TBD |
| I20231108002020 | I | Hematology/Oncology | MN | TBD |
| I20241104003744 | I | Medical Oncology | NH | 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 | 427 | 234 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 57 | 57 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 20 | 20 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 19 | 19 | $0 |
| 99443 | Telephone medical discussion with physician, 21-30 minutes | 15 | 15 | $0 |
Insurance plans in this area (ZIP 50401)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Hematology/Oncology, Internal Medicine | MA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MA | |
| Hematology/Oncology, Pediatric Medicine | MA | |
| Radiation Oncology | MA | |
| - | MA | |
| Medical Oncology | WA | |
| H E M A T O L O G Y/ O N C O L O G Y | MA | |
| Hematology, Internal Medicine | MA | |
| Orthopedic Surgery | MA | |
| Hematology, Medical Oncology | MA |
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