Jeffrey Work, M.D.
Cardiovascular Disease Physician · Tarzana, CA
Jeffrey Work, M.D. is a cardiovascular disease physician with a practice address in Tarzana, California, and NPI 1023095320, issued on Dec 28, 2005. Check the license (California G47314, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Work
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- G47314 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18370 Burbank Blvd, Tarzana, CA 91356
- Phone
- (818) 345-5580
- Enumerated
- Dec 28, 2005
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (818) 774-0458
- Medicare enrollment
- Enrolled (PECOS I20101108000173); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 1979
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 18370 Burbank Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Robert Barnhard, M.D.Pediatrics Physician1215962899
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Verify Jeffrey Work in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G47314Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
2,952 Medicare Part D claims for 534 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Atorvastatin Calcium394 claims
- Metoprolol Succinate344 claims
- Eliquis246 claims
- Rosuvastatin Calcium156 claims
- Amlodipine Besylate155 claims
- Ezetimibe140 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.
Industry payments in 2024: $119.11
4 payments; by number, the most common kind was food and beverage; the largest payer was iRhythm Technologies, Inc. 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.
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
- Providence Medical InstituteGlendale, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey Work among 2,574 cardiovascular disease physician records in California
Jeffrey Work, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1979 · median 1999 among the 1,742 with a school on file
- Record last updated2021 · 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 Tarzana → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Uri Ben-Zur, M.D.,F.A.C.C.Tarzana, CA 913561164433868
- Michael Burnam, MDTarzana, CA 913561700958139
- Richard Cain, MDTarzana, CA 913561932294865
- Marc Ehrich, M.D.Tarzana, CA 913561366429680
- Afshine Emrani, MDTarzana, CA 913561356360887
- Daniel Manavi, MDTarzana, CA 913561467477885
- Ira Perry, M.D.Tarzana, CA 913561699752956
- Benjamin Simon, M.D.Tarzana, CA 913561679550909
Common questions
What is Jeffrey Work, M.D.'s NPI number?
Jeffrey Work, M.D.'s National Provider Identifier (NPI) is 1023095320, issued on Dec 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Work, M.D. located?
The NPPES record lists a practice address at 18370 Burbank Blvd, Tarzana, CA, 91356. Phone: (818) 345-5580. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Work, M.D.'s license?
NPPES lists California license number G47314, 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 Jeffrey Work, M.D. prescribe under Medicare Part D?
In 2024, Jeffrey Work, M.D. had 2,952 Medicare Part D claims for 534 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.