NPPES file of Aug 9, 2026

Carl Lester Singerman, MD

Hematology & Oncology Physician · Northridge, CA

Carl Lester Singerman, MD is a hematology & oncology physician with a practice address in Northridge, California, and NPI 1134128556, issued on Jul 18, 2005. Check the license (California A25329, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134128556
Name
Carl Lester Singerman
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
A25329 CA
Self-reported in NPPES; status is on the state search
Practice location
18300 Roscoe Blvd, Northridge, CA 91325
Phone
(818) 700-2336
Enumerated
Jul 18, 2005
Record last updated
Nov 3, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(818) 881-3233
Medicaid IDs
1902108293 CA
OOA253290 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 18300 Roscoe Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Frank Abt, P.A.Physician Assistant1184670374
  2. Tara Adams-Clarke, DPTPhysical Therapist1902304033
  3. Norair Adjamian, DOSurgery Physician1538689021
  4. Shahla AldavoodiPsychiatric/Mental Health Nurse Practitioner1104328384
  5. Dominick AmparanoFamily Nurse Practitioner1023797321
  6. Esi AsamoahRegistered Nurse1558160515

Verify Carl Lester Singerman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A25329
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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97% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

27 Medicare Part D claims, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.

  1. Carl Singerman27
  2. Specialty average877

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.

Carl Lester Singerman among 1,583 hematology & oncology physician records in California

Carl Lester Singerman, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 71% of these records are
  • Record last updated2016 · 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.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Jerome Davidson, MDNorthridge, CA 913251114926490
  2. Sheldon Davidson, MDNorthridge, CA 913251457350738
  3. Vinita Singh, MDNorthridge, CA 913251679507248
  4. Draupadi Talreja, M.D.Northridge, CA 913251326073743
  5. Juan Alcantar, MDPorter Ranch, CA 913261972658540
  6. David Kim, M.D.Port Ranch, CA 913261558505321
  7. David Shin, M.D.Porter Ranch, CA 913261811194947
  8. Sumita Bhatta, MDThousand Oaks, CA 913201588827802

Common questions

What is Carl Lester Singerman, MD's NPI number?

Carl Lester Singerman, MD's National Provider Identifier (NPI) is 1134128556, issued on Jul 18, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Carl Lester Singerman, MD located?

The NPPES record lists a practice address at 18300 Roscoe Blvd, Northridge, CA, 91325. Phone: (818) 700-2336. Providers update this record themselves, so call before visiting.

How can I verify Carl Lester Singerman, MD's license?

NPPES lists California license number A25329, 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 Carl Lester Singerman, MD prescribe under Medicare Part D?

In 2024, Carl Lester Singerman, MD had 27 Medicare Part D claims; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

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.