DR. RALPH JR. FONG (M.D.) – Family Medicine Physician, NPI 1447290994
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
13,237 FAMILY PRACTICE in CA
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Provider Addresses for DR. RALPH JR. FONG (M.D.)
San Francisco, Province of Ambo, Huánuco, Peru
P.O. BOX 39000
SAN FRANCISCO, CA 941390001
Phone: (925) 952-2828
Fax: (925) 952-2850
Type: Mailing
2305, Camino Ramon, Bishop Ranch Business Park, San Ramon, Contra Costa County, California, 94583, United States
SUITE 100
SAN RAMON, CA 945831396
Phone: (925) 837-1886
Fax: (925) 837-3913
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 16 Open Payments records for all available years, with a total value of $370.
Total Amount is formed as General ($370) + Research ($0) + Ownership ($0) = $370.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Amgen Inc. ($153).
Total Amount
$370
General + Research + Ownership
Payments
16
Total payment records
General Amount
$370
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $153 |
| Novo Nordisk Inc | $55 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $34 |
| Corcept Therapeutics | $31 |
| Exact Sciences Corporation | $25 |
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: 2009-03-13
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20090313000281 | I | Family Practice | 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 | 263 | 179 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 183 | 130 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 149 | 149 | $0 |
| 90694 | Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 35 | 35 | $0 |
| G0008 | Administration of influenza virus vaccine | 34 | 34 | $0 |
Insurance plans in this area (ZIP 94139)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| FAMILY MEDICINE | CA | 81002 | Urinalysis, manual test | 115 | 94 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Pediatric Medicine | CA | |
| Family Practice | CA | |
| - | CA | |
| - | CA | |
| Internal Medicine | CA | |
| U R O L O G Y | CA | |
| Internal Medicine, Hospitalist | CA | |
| - | CA | |
| Internal Medicine | CA | |
| Hospice/Palliative Care, Internal Medicine | CA |
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