Jonathan Blitzer, MD
NPI 1912967324 · Hematology & Oncology Physician · Long Beach, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Blitzer, MD is a Hematology & Oncology Physician provider in Long Beach, CA (NPI 1912967324).
Provider details
- NPI number
- 1912967324
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G062021 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
820 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 438 | $101 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 77 | $150 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 66 | $122 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 49 | $139 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 44 | $81 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 88 | 34 |
| Tamoxifen Citrate | 65 | 31 |
| Letrozole | 43 | 20 |
| Hydroxyurea | 23 | — |
| Trazodone Hcl | 16 | — |
| Pregabalin | 12 | — |
| Sertraline Hcl | 12 | — |
| Deferasirox | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$889 across 28 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-28
- Last updated
- 2018-01-03
Frequently asked questions
- What is Jonathan Blitzer's NPI number?
- Jonathan Blitzer's National Provider Identifier (NPI) is 1912967324, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Blitzer's specialty?
- Jonathan Blitzer is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Blitzer located?
- Jonathan Blitzer's practice location on file with NPPES is 2810 Long Beach Blvd, Long Beach, CA 90806-1558.
- What is Jonathan Blitzer's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Blitzer is (562) 933-1877.
- Does Jonathan Blitzer accept Medicare?
- Jonathan Blitzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Blitzer's NPI active?
- Yes — Jonathan Blitzer's NPI (1912967324) is active in the NPPES registry as of the last update on 2018-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.