DAVID L. PALCHAK (M.D.) – Hematology & Oncology Physician, NPI 1396815965
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,558 INTERNAL MEDICINE in CA
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Provider Addresses for DAVID L. PALCHAK (M.D.)
921, Oak Park Boulevard, Pismo Beach, San Luis Obispo County, California, 93433, United States
SUITE 100-A
PISMO BEACH, CA 934493264
Phone: (805) 474-9143
Fax: (805) 474-9569
Type: Location
PO BOX 579
PISMO BEACH, CA 934480579
Phone: (805) 474-9143
Fax: (805) 474-9569
Type: Mailing
584 CAMINO MERCADO
ARROYO GRANDE, CA 934201816
Phone: (805) 474-9143
Fax: (805) 474-9569
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 33 Open Payments records for all available years, with a total value of $13,990.
Total Amount is formed as General ($724) + Research ($13,265) + Ownership ($0) = $13,990.
Last reported payment date: 2024-12-13 • Largest payer in this snapshot: Aadi Bioscience, Inc. ($13,265).
Total Amount
$13,990
General + Research + Ownership
Payments
33
Total payment records
General Amount
$724
General payments
Research Amount
$13,265
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Aadi Bioscience, Inc. | $13,265 |
| Novartis Pharmaceuticals Corporation | $167 |
| Eisai Inc. | $113 |
| ABBVIE INC. | $75 |
| Seagen Inc. | $69 |
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: 2007-09-27
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 |
|---|---|---|---|---|
| I20070927000737 | I | Hematology/Oncology | 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 |
|---|---|---|---|---|
| J1453 | Injection, fosaprepitant, 1 mg | 9,300 | 14 | $0 |
| J0897 | Injection, denosumab, 1 mg | 2,220 | 12 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 1,052 | 313 | $0 |
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 770 | 16 | $0 |
| J1626 | Injection, granisetron hydrochloride, 100 mcg | 711 | 11 | $0 |
Insurance plans in this area (ZIP 93449)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| HEMATOLOGY/ONCOLOGY | CA | 96367 | Infusion into a vein for therapy prevention or diagnosis additional sequential infusion up to 1 hour | 108 | 20 |
| HEMATOLOGY/ONCOLOGY | CA | 96375 | Injection of different drug or substance into a vein for therapy, diagnosis, or prevention | 350 | 32 |
| HEMATOLOGY/ONCOLOGY | CA | 96415 | Infusion of chemotherapy into a vein | 76 | 14 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| H E M A T O L O G Y/ O N C O L O G Y | CA |
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