Dr. Jeffrey W. Work, MD

  • Tarzana, CA
  • Cardiologist
NPI1023095320PAC ID1951405521
Medicare services, 2024
3,812
Medicare patients, 2024
917
Part D claims, 2024
2,952
Publications
1
Industry payments
$730
Practice address
18370 W Burbank Blvd, Tarzana, CA 91356
Practice phone
Call (818) 986-1070
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Center for Fertility and Gynecology

Tarzana, California

See all 7 affiliations

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Dr. Jeffrey W. Work is a cardiologist in Tarzana, California

Dr. Work practices at Center for Fertility and Gynecology in Tarzana, California.

Dr. Work's NPI, 1023095320, was assigned on December 28, 2005. Dr. Work graduated from Yale School of Medicine in 1979. Dr. Work holds California license G47314.

NPI and contact details
Medicare PAC ID
1951405521
NPI enumeration date
December 28, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(818) 986-1070
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
73
Medical school graduation
1979

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Jeffrey W. Work practices at Center for Fertility and Gynecology in Tarzana, California

Dr. Work's primary practice is Center for Fertility and Gynecology, at 18370 W Burbank Blvd, Tarzana, CA 91356 in Los Angeles County. The practice phone is (818) 986-1070.

  • Center for Fertility and Gynecology
    18370 W Burbank Blvd, Tarzana, CA 91356 · Los Angeles CountyPhone(818) 986-1070

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Jeffrey W. Work is affiliated with 4 sites of care and 3 medical groups

Dr. Work's primary practice is Center for Fertility and Gynecology in Tarzana, California. The medical group on file is Providence Medical Institute. Dmand AI also links Dr. Work to 3 more group practices and clinics and 2 medical groups, each named with a free account.

See all 7 affiliations for Dr. Work

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Jeffrey W. Work's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Work practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Center for Fertility and GynecologyAvailable with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Jeffrey W. Work is one of 2,375 cardiologists in California

Cardiovascular disease is Dr. Work's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Work is board certified in cardiovascular disease by the American Board of Internal Medicine. Dr. Work is licensed in California.

Specialties and state licenses

  • Cardiovascular disease, CaliforniaPrimaryLicense G47314 · 1982 to 2026 · taxonomy 207RC0000X

Clinical focus

Dmand AI lists endocarditis among the conditions Dr. Work treats.

Cardiologists near Dr. Work

Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.

2,375cardiologists in California
8cardiologists in Tarzana

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Jeffrey W. Work billed Medicare for 3,812 services in 2024

CMS data shows 3,812 Medicare services from Dr. Work across 21 procedure codes in 2024, for 917 Medicare patients. Medicare paid $309,165 for them.

Medicare services, 20243,812
Medicare patients917
Paid by Medicare$309,165
Procedure codes21

Dr. Work's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,4392024: 1,59111%
Tests and treatments
2023: 1,1812024: 1,36115%
Drugs given in the office
2023: 2642024: 35635%
Other services
2023: 2062024: 30548%
Imaging
2023: 1052024: 19990%

Where Dr. Work's Medicare services took place, 2024

  • In an office3,47391%
  • In a facility3399%

Dr. Work compared with the California median for cardiologists, 2024

  • Dr. Work
  • California median
Medicare services
3,812vs 1,5602.4 times
Medicare patients
917vs 64442% above
Part D claims
2,788vs 1,41098% above

Medians across 2,237 cardiologists in California with Dmand AI profiles that report each measure.

Dr. Work's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Work

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Work and other cardiologists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Jeffrey W. Work treated 917 Medicare patients in 2024, average age 79

CMS counts 917 Medicare patients who saw Dr. Work in 2024. The largest group is 75 to 84, with 413 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.44, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Work's median patient age at 75, with 41% women.

Medicare patients, 2024917
Average age79
Average risk score1.44
Also on Medicaid9%

Dr. Work's Medicare patients by age, 2024

Dr. Work's Medicare patients by sex, 2024

  • Women40044%
  • Men51756%

Chronic conditions among Dr. Work's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease64%
  4. Arthritis62%
  5. Diabetes36%
  6. Atrial fibrillation32%
  7. Chronic kidney disease31%
  8. Anxiety26%

Share of Medicare patients with each condition. A patient can have several.

Dr. Work's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women41%
  • Men57%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Jeffrey W. Work wrote 2,952 Medicare Part D claims in 2024

In 2024, Dr. Work wrote 2,952 Medicare Part D claims for 534 patients. 81% of them were for generic drugs. CMS names the drug for 2,788 of them, across 41 drugs with 11 or more claims each, at $601,517 in total drug cost. In 2023, CMS named 2,805 claims across 41 drugs.

Part D claims, 20242,952
Drugs named by CMS41
Total drug cost$601,517
Part D patients534

Dr. Work's Part D claims by kind of drug, 2024

  • Generic2,399 claims81%
  • Brand-name553 claims19%

Dr. Work's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,8052024: 2,7881%

Drugs named by CMS: 41 in 2024, 41 in 2023.

See all prescribing by Dr. Work

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Jeffrey W. Work takes part in Medicare

Dr. Work accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Jeffrey W. Work has 1 publication on record

Dmand AI links 1 paper to Dr. Work.

Papers1

Recent publications by Dr. Work

See all 1 publications and co-authors

See who Dr. Work researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Work works with, so you can find a warm path to the right cardiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Jeffrey W. Work received $730 in industry payments from 2016 to 2025

CMS Open Payments shows 22 general payments to Dr. Work from 14 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Medtronic, Inc. paid the most, $144.

General payments to Dr. Work by program year, 2016 to 2025

General payments to Dr. Work by kind, 2016 to 2025

$730in total
  • Food and beverage$71197%
  • Education$193%

Companies that paid Dr. Work the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Work

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Jeffrey W. Work has 4 awards and honors on record

Dmand AI lists 4 awards for Dr. Work, most recently CMS Stage 1 EHR in 2012.

Awards and honors for Dr. Work

  1. 2012
    • CMS Stage 1 EHR
  2. Undated
    • ACC Fellow
    • Checkbook Top Doc
    • Super Doc

Source: Dmand AI Professional Profile Data

Dr. Jeffrey W. Work graduated from Yale School of Medicine

Dr. Work graduated from Yale School of Medicine in 1979. Dr. Work is a member of ACC.

  1. Medical schoolYale School of Medicine
  2. Board certified in cardiovascular diseaseAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Jeffrey W. Work accepts plans from 17 insurance carriers

Dr. Work is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.

Plan types Dr. Work accepts, by number of carriers

  1. HMO9
  2. Medicare9
  3. PPO9
  4. EPO4
  5. POS4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Jeffrey W. Work's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Jeffrey W. Work

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Jeffrey W. Work's NPI number?

Dr. Jeffrey W. Work's NPI number is 1023095320. It was assigned on December 28, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Jeffrey W. Work?

Dr. Jeffrey W. Work is a cardiologist in Tarzana, California. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. Jeffrey W. Work practice?

Dr. Work practices at 18370 W Burbank Blvd, Tarzana, CA 91356. Dr. Work's primary practice is Center for Fertility and Gynecology in Tarzana, California. Dmand AI also links Dr. Work to 3 group practices and clinics and 2 medical groups.

What is Dr. Jeffrey W. Work's office phone number?

The practice phone on file for Dr. Work is (818) 986-1070.

What is Dr. Jeffrey W. Work's medical license number?

Dr. Work holds California license G47314.

What medical group is Dr. Jeffrey W. Work part of?

Dr. Work is linked to Providence Medical Institute. Dmand AI links Dr. Work to 2 more medical groups.

Does Dr. Jeffrey W. Work accept Medicare?

Yes. CMS data shows Dr. Work billed Medicare for 3,812 services in 2024, and Dr. Work accepts Medicare assignment.

How many Medicare patients does Dr. Jeffrey W. Work see?

CMS counts 917 Medicare patients who saw Dr. Work in 2024, with an average age of 79.

Is Dr. Jeffrey W. Work board certified?

Yes. Dr. Work is board certified in cardiovascular disease by the American Board of Internal Medicine.

What services does Dr. Jeffrey W. Work bill to Medicare?

In 2024, Dr. Work's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93000) and injected or infused drug (J2785).

Show 6 more questionsShow fewer questions

Where did Dr. Jeffrey W. Work go to medical school?

Dr. Work graduated from Yale School of Medicine in 1979.

What drugs does Dr. Jeffrey W. Work prescribe most?

In 2024 Medicare Part D data, Dr. Work's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Succinate and Eliquis.

Has Dr. Jeffrey W. Work received payments from drug or device companies?

CMS Open Payments shows $730 in general payments to Dr. Work from 14 companies from 2016 to 2025. The largest total came from Medtronic, Inc.

How long has Dr. Jeffrey W. Work been practicing?

Dr. Work graduated from medical school in 1979, 47 years ago.

Does Dr. Jeffrey W. Work do research?

Dmand AI links 1 publication to Dr. Work.

What insurance does Dr. Jeffrey W. Work accept?

Dr. Work is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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