DR. MATTHEW CHRISTOPHER JEONG (MD) – Hospitalist Physician, NPI 1245368109
Hospitalist Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. MATTHEW CHRISTOPHER JEONG (MD)
505 Parnassus Ave
San Francisco, CA 94143
Phone: (415) 476-1000
Type: Location
1900 Sullivan Ave
Lower Level
Daly City, CA 94015
Phone: (415) 680-4135
Fax: (415) 750-5910
Type: Location
845 Jackson St
San Francisco, CA 941334899
Phone: (415) 982-2400
Type: Location
450 STANYAN ST RM T4-33
SAN FRANCISCO, CA 941171019
Phone: (415) 668-1000
Fax: (415) 750-8156
Type: Mailing
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 $125.
Total Amount is formed as General ($125) + Research ($0) + Ownership ($0) = $125.
Last reported payment date: 2024-05-14 • Largest payer in this snapshot: ABBVIE INC. ($125).
Total Amount
$125
General + Research + Ownership
Payments
1
Total payment records
General Amount
$125
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE 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: 2005-07-18
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 |
|---|---|---|---|---|
| I20050718000218 | I | Hospitalist | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 170 | 57 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 131 | 55 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 47 | 47 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 31 | 31 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 24 | 24 | $0 |
Insurance plans in this area (ZIP 94143)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Hospitalist, Internal Medicine | CA | |
| Internal Medicine, Interventional Cardiology | MD | |
| Hospitalist, Internal Medicine | CA | |
| Internal Medicine | PA | |
| Hematology/Oncology, Internal Medicine | CA | |
| Internal Medicine, Cardiovascular Disease (Cardiology) | MA | |
| Hospitalist, Internal Medicine | IL | |
| Internal Medicine | CA | |
| Hospitalist, Internal Medicine, Hospice/Palliative Care | CA | |
| Internal Medicine, Interventional Cardiology, Cardiovascular Disease (Cardiology) | IL |
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