NPPES file of Aug 9, 2026

James Henry Fleisher, M.D.

Cardiovascular Disease Physician · Encino, CA

James Henry Fleisher, M.D. is a cardiovascular disease physician with a practice address in Encino, California, and NPI 1710041652, issued on Dec 21, 2006. Check the license (California G18996, 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
1710041652
Name
James Henry Fleisher
Credential
M.D.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
G18996 CA
Self-reported in NPPES; status is on the state search
Practice location
16133 Ventura Blvd, Encino, CA 91436
Phone
(818) 990-5665
Enumerated
Dec 21, 2006
Record last updated
May 25, 2008 (not updated in 18 years: call before relying on the address or phone)
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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8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →

Also registered at 16133 Ventura Blvd

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

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  2. Lisa Bove, LCSWClinical Social Worker1396910246
  3. Lisa Chen, MAMental Health Counselor1083345334
  4. Heidi CollierFamily Nurse Practitioner1003962010
  5. Issaac Comfortes, DDSGeneral Practice Dentistry1578662409
  6. Steven Donia, D.D.S.General Practice Dentistry1851397301

Verify James Henry Fleisher in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G18996    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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Industry payments in 2024: $21.05

1 payment: food and beverage; the largest payer was Abiomed. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Fleisher$21.05
  2. Specialty average$3,819.56

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

James Henry Fleisher among 2,574 cardiovascular disease physician records in California

James Henry Fleisher, M.D. is one of 2,574 cardiovascular disease 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 45% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • Record last updated2008 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in California

There are 2,574 cardiovascular disease physician records in California.

All 2,574 in California → Every provider in Encino → Cardiovascular Disease Physician nationwide →

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Jerome Hamburger, M.D.Encino, CA 914361982710810
  2. James Higgins, M.D.Encino, CA 914361982781191
  3. Leo Kassabian, M.D.Encino, CA 914361184617763
  4. Joel Lebovitz, MDEncino, CA 914361760448963
  5. Sohail Mahboubian, M.D.Encino, CA 914361295750164
  6. Mariappan Pandian, M.D.Encino, CA 914361699768275
  7. Sahar Sohrabian, MDEncino, CA 914361114125994
  8. John Tsakonas, M.D.Encino, CA 914361851384499

Common questions

What is James Henry Fleisher, M.D.'s NPI number?

James Henry Fleisher, M.D.'s National Provider Identifier (NPI) is 1710041652, issued on Dec 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James Henry Fleisher, M.D. located?

The NPPES record lists a practice address at 16133 Ventura Blvd, Encino, CA, 91436. Phone: (818) 990-5665. Providers update this record themselves, so call before visiting.

How can I verify James Henry Fleisher, M.D.'s license?

NPPES lists California license number G18996, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.