DR. DAVID J CHUN (MD) – Internal Medicine Physician, NPI 1730152976
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
Provider Addresses for DR. DAVID J CHUN (MD)
PO BOX 3088
SUISUN CITY, CA 945856088
Phone: (657) 241-3600
Fax: (657) 241-7708
Type: Mailing
361 HOSPITAL RD STE 322
NEWPORT BEACH, CA 926633524
Phone: (949) 574-0777
Fax: (949) 650-3505
Type: Location
Newport Beach Post Office, 177, Riverside Avenue, Newport Heights, Newport Beach, Orange County, California, 92663, United States
NEWPORT BEACH, CA 926598579
Phone: (949) 574-4638
Fax: (949) 574-4680
Type: Mailing
361, Hospital Road, Newport Heights, Newport Beach, Orange County, California, 92663, United States
SUITE 322
NEWPORT BEACH, CA 926633522
Phone: (949) 574-0777
Fax: (949) 650-3505
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 102 Open Payments records for all available years, with a total value of $2,330.
Total Amount is formed as General ($2,330) + Research ($0) + Ownership ($0) = $2,330.
Last reported payment date: 2024-12-06 • Largest payer in this snapshot: ABBVIE INC. ($480).
Total Amount
$2,330
General + Research + Ownership
Payments
102
Total payment records
General Amount
$2,330
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $480 |
| Lilly USA, LLC | $192 |
| GlaxoSmithKline, LLC. | $185 |
| Amgen Inc. | $183 |
| Novartis Pharmaceuticals Corporation | $108 |
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: 2008-02-08
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 |
|---|---|---|---|---|
| I20080208000278 | 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 |
|---|---|---|---|---|
| 36415 | Insertion of needle into vein for collection of blood sample | 644 | 268 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 373 | 236 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 299 | 254 | $0 |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | 253 | 152 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 225 | 224 | $0 |
Insurance plans in this area (ZIP 94585)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| Internal Medicine | CA | |
| Internal Medicine | NH | |
| Internal Medicine | CA | |
| Internal Medicine | CA | |
| Internal Medicine | CA |
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