Jonathan B. Blitzer, MD
Hematology & Oncology Physician · Long Beach, CA
Jonathan B. Blitzer, MD is a hematology & oncology physician with a practice address in Long Beach, California, and NPI 1912967324, issued on Mar 28, 2006. Check the license (California G062021, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jonathan B. Blitzer
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- G062021 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2810 Long Beach Blvd, Long Beach, CA 90806
- Phone
- (562) 933-1877
- Enumerated
- Mar 28, 2006
- Record last updated
- Jan 3, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (562) 933-1886
- Medicaid ID
- GR0029650 CA
- Medicare enrollment
- Enrolled (PECOS I20071226000481); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 2810 Long Beach Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Akahoshi, PA-CPhysician Assistant1528560810
- Jamie Balderas, FNPFamily Nurse Practitioner1861973034
- Deneen Boyce, R.N.Gerontology Nurse Practitioner1902262744
- Karen Lappen, MS, LCGCGenetic Counselor (M.S.)1952823460
- Molly Lehman, MSGCGenetic Counselor (M.S.)1306369988
- Farah Shah, MDHematology & Oncology Physician1114555794
Verify Jonathan B. Blitzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G062021Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
413 Medicare Part D claims for 133 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 27 claims were for opioids.
Most prescribed
- Anastrozole88 claims
- Tamoxifen Citrate65 claims
- Letrozole43 claims
- Hydroxyurea23 claims
- Trazodone Hcl16 claims
- Pregabalin12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $889.35
28 payments; by number, the most common kind was food and beverage; the largest payer was Dendreon Pharmaceuticals LLC. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Memorialcare Medical FoundationLong Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan B. Blitzer among 1,583 hematology & oncology physician records in California
Jonathan B. Blitzer, MD is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 54% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1980 · median 2003 among the 1,124 with a school on file
- Record last updated2018 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in Long Beach → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Eknath Deo, M.D., F.A.C.P.Long Beach, CA 908061568485415
- Esha Sachdev, MDLong Beach, CA 908061114260460
- Farah Shah, MDLong Beach, CA 908061114555794
- Milan Sheth, MDLong Beach, CA 908061235217266
- Nilesh Vora, M.D.Long Beach, CA 908061790976363
- David Yashar, MDLong Beach, CA 908061396205316
- Sultanali Alidina, M.D.Lakewood, CA 908051063411684
- Junaid ArshadLakewood, CA 908051831506898
Common questions
What is Jonathan B. Blitzer, MD's NPI number?
Jonathan B. Blitzer, MD's National Provider Identifier (NPI) is 1912967324, issued on Mar 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan B. Blitzer, MD located?
The NPPES record lists a practice address at 2810 Long Beach Blvd, Long Beach, CA, 90806. Phone: (562) 933-1877. Providers update this record themselves, so call before visiting.
How can I verify Jonathan B. Blitzer, MD's license?
NPPES lists California license number G062021, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jonathan B. Blitzer, MD prescribe under Medicare Part D?
In 2024, Jonathan B. Blitzer, MD had 413 Medicare Part D claims for 133 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Jonathan B. Blitzer, MD's MIPS final score?
The 2023 MIPS final score is 76.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.