MARY S JUNG (M.D.) – Dermatology Physician, NPI 1821032871
Dermatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
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Provider Addresses for MARY S JUNG (M.D.)
East Chapman Avenue, Old Town Placentia, Placentia, Orange County, California, 92870, United States
ORANGE, CA 928662231
Phone: (714) 538-8556
Fax: (714) 538-1082
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 154 Open Payments records for all available years, with a total value of $3,546.
Total Amount is formed as General ($3,546) + Research ($0) + Ownership ($0) = $3,546.
Last reported payment date: 2024-12-23 • Largest payer in this snapshot: Janssen Biotech, Inc. ($601).
Total Amount
$3,546
General + Research + Ownership
Payments
154
Total payment records
General Amount
$3,546
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Biotech, Inc. | $601 |
| ABBVIE INC. | $540 |
| GENZYME CORPORATION | $227 |
| Regeneron Healthcare Solutions, Inc. | $213 |
| LEO Pharma Inc. | $184 |
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: 2004-08-04
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 |
|---|---|---|---|---|
| I20040804001214 | 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 |
|---|---|---|---|---|
| 17003 | Destruction of precancer skin growth, 2-14 growths | 597 | 87 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 210 | 152 | $0 |
| 17000 | Destruction of precancer skin growth, 1 growth | 152 | 117 | $0 |
| 17110 | Destruction of skin growth, 1-14 growths | 139 | 109 | $0 |
| 17311 | Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks | 65 | 58 | $0 |
Insurance plans in this area (ZIP 92866)
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Provider's Procedures
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