MR. JONATHAN B. BLITZER (MD) – Hematology & Oncology Physician, NPI 1912967324
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,531 HEMATOLOGY/ONCOLOGY in CA
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Provider Addresses for MR. JONATHAN B. BLITZER (MD)
Long Beach Boulevard, Long Beach, Los Angeles County, California, 90802, United States
LONG BEACH, CA 908061558
Phone: (562) 933-1877
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 37 Open Payments records for all available years, with a total value of $1,335.
Total Amount is formed as General ($1,335) + Research ($0) + Ownership ($0) = $1,335.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: Dendreon Pharmaceuticals LLC ($308).
Total Amount
$1,335
General + Research + Ownership
Payments
37
Total payment records
General Amount
$1,335
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Dendreon Pharmaceuticals LLC | $308 |
| Tempus AI, Inc | $231 |
| Bayer Healthcare Pharmaceuticals Inc. | $120 |
| AstraZeneca Pharmaceuticals LP | $119 |
| Celgene Corporation | $112 |
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: 2007-12-26
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 |
|---|---|---|---|---|
| I20071226000481 | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 413 | 186 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 114 | 36 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 112 | 32 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 35 | 28 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 32 | 31 | $0 |
Insurance plans in this area (ZIP 90806)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology | CA | |
| Nurse Practitioner | CA | |
| Internal Medicine | CA | |
| Internal Medicine, Pediatric Medicine | CA | |
| Neurology, Internal Medicine | CA | |
| - | CA | |
| - | CA | |
| - | CA |
Reviews
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