AEREE YOON (MD) – Internal Medicine Physician, NPI 1679574206
Internal Medicine Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
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Provider Addresses for AEREE YOON (MD)
Del Amo Boulevard, Southwest Village, Torrance, Los Angeles County, California, 90501, United States
TORRANCE, CA 90503
Phone: (310) 793-4673
Fax: (310) 793-4630
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 23 Open Payments records for all available years, with a total value of $1,578.
Total Amount is formed as General ($1,578) + Research ($0) + Ownership ($0) = $1,578.
Last reported payment date: 2024-10-02 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($471).
Total Amount
$1,578
General + Research + Ownership
Payments
23
Total payment records
General Amount
$1,578
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GlaxoSmithKline, LLC. | $471 |
| Bayer Healthcare Pharmaceuticals Inc. | $267 |
| Lilly USA, LLC | $249 |
| AstraZeneca Pharmaceuticals LP | $225 |
| Janssen Pharmaceuticals, 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: 2004-06-14
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 |
|---|---|---|---|---|
| I20040614001446 | I | Internal Medicine | CA | 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 | 362 | 155 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 89 | 83 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 88 | 88 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 83 | 66 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 42 | 40 | $0 |
Insurance plans in this area (ZIP 90503)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| Infectious Disease, Internal Medicine | CA | |
| N E U R O L O G Y | CA | |
| - | CA | |
| Internal Medicine | CA | |
| Nurse Practitioner | CA | |
| - | CA | |
| Rheumatology, Internal Medicine | CA | |
| H O S P I T A L I S T | NY | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA |
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