DR. JEFF PORTER SHARMAN (M.D.) – Medical Oncology Physician, NPI 1659596179
Medical Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,531 HEMATOLOGY/ONCOLOGY in CA
Provider Addresses for DR. JEFF PORTER SHARMAN (M.D.)
771 18TH AVE
MENLO PARK, CA 940252017
Phone: (650) 473-6557
Type: Mailing
269 CAMPUS DR
CCSR 1105
STANFORD, CA 943055101
Phone: (650) 723-6661
Type: Location
520 COUNTRY CLUB PKWY
EUGENE, OR 974016036
Phone: (541) 683-5001
Fax: (541) 683-1422
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 75 Open Payments records for all available years, with a total value of $57,927.
Total Amount is formed as General ($41,371) + Research ($16,556) + Ownership ($0) = $57,927.
Last reported payment date: 2024-12-31 • Largest payer in this snapshot: F. Hoffmann-La Roche AG ($15,206).
Total Amount
$57,927
General + Research + Ownership
Payments
75
Total payment records
General Amount
$41,371
General payments
Research Amount
$16,556
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| F. Hoffmann-La Roche AG | $15,206 |
| Eli Lilly and Company | $7,290 |
| ABBVIE INC. | $7,069 |
| BeiGene USA, Inc. | $6,527 |
| E.R. Squibb & Sons, L.L.C. | $5,892 |
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: 2008-10-16
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 |
|---|---|---|---|---|
| I20081016000111 | I | Hematology/Oncology | OR | 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 |
|---|---|---|---|---|
| J0881 | Injection, darbepoetin alfa, 1 microgram (non-esrd use) | 14,125 | 17 | $0 |
| J9144 | Injection, daratumumab, 10 mg and hyaluronidase-fihj | 9,180 | 11 | $0 |
| J0185 | Injection, aprepitant, 1 mg | 5,720 | 26 | $0 |
| J9271 | Injection, pembrolizumab, 1 mg | 4,000 | 15 | $0 |
| J1568 | Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg | 3,369 | 18 | $0 |
Insurance plans in this area (ZIP 94025)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| HEMATOLOGY/ONCOLOGY | CA | 74177 | CT scan of abdomen and pelvis with contrast | 120 | 81 |
| HEMATOLOGY/ONCOLOGY | CA | 96367 | Infusion into a vein for therapy prevention or diagnosis additional sequential infusion up to 1 hour | 533 | 98 |
| HEMATOLOGY/ONCOLOGY | CA | 96375 | Injection of different drug or substance into a vein for therapy, diagnosis, or prevention | 467 | 96 |
| HEMATOLOGY/ONCOLOGY | CA | 96415 | Infusion of chemotherapy into a vein | 212 | 52 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | OR | |
| Nurse Practitioner | WA | |
| Nurse Practitioner | OR | |
| Hospice/Palliative Care, Gynecological Oncology | OR | |
| H E M A T O L O G Y/ O N C O L O G Y | OR | |
| Nurse Practitioner | TX | |
| Medical Oncology | OR | |
| H E M A T O L O G Y/ O N C O L O G Y | OR | |
| Physician Assistant | OR | |
| Physician Assistant | OR |
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