Dr. James P. Zalez, MD

  • Bellflower, CA
  • Cardiothoracic surgeon
NPI1679689822PAC ID0749375848
Medicare services, 2024
15
Medicare patients, 2024
20
Part D claims, 2024
475
Affiliated sites
4
Medical groups
2
Practice address
9400 Rosecrans Avenue, Bellflower, CA 90706
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD

Acute Care Hospital outpatient department · Bellflower, California

See all 6 affiliations

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Dr. James P. Zalez is a cardiothoracic surgeon in Bellflower, California

Dr. Zalez practices at Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California.

Dr. Zalez's NPI, 1679689822, was assigned on August 21, 2006. Dr. Zalez graduated from University of Illinois College of Medicine - Chicago in 1988. Dr. Zalez holds California license G65652.

NPI and contact details
Medicare PAC ID
0749375848
NPI enumeration date
August 21, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
64
Medical school graduation
1988

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

Dr. James P. Zalez practices at Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California

Dr. Zalez's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD, at 9400 Rosecrans Avenue, Bellflower, CA 90706.

  • Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD
    9400 Rosecrans Avenue, Bellflower, CA 90706

Source: Dmand AI Affiliation Data

Dr. James P. Zalez is affiliated with 4 sites of care and 2 medical groups

Dr. Zalez's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Zalez to 2 more group practices and clinics, 1 breast imaging center and 1 medical group, each named with a free account. Dr. Zalez's employer is on file too: a hospital.

See all 6 affiliations for Dr. Zalez

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. James P. Zalez's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zalez practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Kaiser Permanente Medical Group Bellflower Medical Offices - HOPDAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. James P. Zalez is one of 568 cardiothoracic surgeons in California

Thoracic surgery (cardiothoracic vascular surgery) is Dr. Zalez's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dmand AI has Dr. Zalez's licenses on file in 2 states: California and Oklahoma.

Specialties and state licenses

  • Thoracic surgery (cardiothoracic vascular surgery), CaliforniaPrimaryLicense G65652 · 1989 to 2026 · taxonomy 208G00000X
  • Oklahoma license1993 to 1997

Cardiothoracic surgeons near Dr. Zalez

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

568cardiothoracic surgeons in California
2cardiothoracic surgeons in Bellflower

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

Dr. James P. Zalez billed Medicare for 15 services in 2024

CMS data shows 15 Medicare services from Dr. Zalez across 1 procedure code in 2024, all of them office visits, for 20 Medicare patients. Medicare paid $731 for them. Every service was in an office.

Medicare services, 202415
Medicare patients20
Paid by Medicare$731
Procedure codes1

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

  • 2023
  • 2024
Office and hospital visits
2023: 172024: 1512%

Dr. Zalez compared with the California median for cardiothoracic surgeons, 2024

  • Dr. Zalez
  • California median
Medicare services
15vs 11487% below
Medicare patients
20vs 9579% below
Part D claims
442vs 1923.3 times

Medians across 453 cardiothoracic surgeons in California with Dmand AI profiles that report each measure.

Dr. Zalez'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.

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

Dr. James P. Zalez treated 20 Medicare patients in 2024, average age 66

CMS counts 20 Medicare patients who saw Dr. Zalez in 2024. The largest group is 85 and over, with 0 patients. 75% of them have high blood pressure, and 55% have high cholesterol. Their average risk score is 0.80, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Zalez's median patient age at 35, with 53% women.

Medicare patients, 202420
Average age66
Average risk score0.80

Dr. Zalez's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

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

  1. High blood pressure75%
  2. High cholesterol55%

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

Dr. Zalez's patients across all payers

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

Patient panel by age, all payers

Median age 35

Patient panel by sex, all payers

  • Women53%
  • Men46%

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

Dr. James P. Zalez wrote 475 Medicare Part D claims in 2024

In 2024, Dr. Zalez wrote 475 Medicare Part D claims for 371 patients. 93% of them were for generic drugs. CMS names the drug for 442 of them, across 9 drugs with 11 or more claims each, at $5,761 in total drug cost. In 2023, CMS named 410 claims across 7 drugs.

Part D claims, 2024475
Drugs named by CMS9
Total drug cost$5,761
Part D patients371

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

  • Generic441 claims93%
  • Brand-name34 claims7%

Dr. Zalez'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.

Drug classes CMS tracks in Dr. Zalez's Part D claims, 2024

  • Antibiotics60%287 of 475 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 4102024: 4428%

Drugs named by CMS: 9 in 2024, 7 in 2023.

See all prescribing by Dr. Zalez

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. James P. Zalez takes part in Medicare

Dr. Zalez 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. James P. Zalez graduated from University of Illinois College of Medicine - Chicago

Dr. Zalez graduated from University of Illinois College of Medicine - Chicago in 1988.

  1. Medical schoolUniversity of Illinois College of Medicine - Chicago

Source: Dmand AI Professional Profile Data

Dr. James P. Zalez accepts plans from 5 insurance carriers

Dr. Zalez is in network with 5 carriers, including Elevance, Kaiser Permanente and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.

  • Elevance
  • Kaiser Permanente
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • CMS Medicare

Plan types Dr. Zalez accepts, by number of carriers

  1. Medicare4
  2. PPO3
  3. EPO2
  4. HMO2
  5. POS2

Source: Dmand AI Insurance Network Data

Sources for Dr. James P. Zalez'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand 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)
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. James P. Zalez

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. James P. Zalez's NPI number?

Dr. James P. Zalez's NPI number is 1679689822. It was assigned on August 21, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. James P. Zalez?

Dr. James P. Zalez is a cardiothoracic surgeon in Bellflower, California. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).

Where does Dr. James P. Zalez practice?

Dr. Zalez practices at 9400 Rosecrans Avenue, Bellflower, CA 90706. Dr. Zalez's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California. Dmand AI also links Dr. Zalez to 2 group practices and clinics, 1 breast imaging center and 1 medical group.

What is Dr. James P. Zalez's medical license number?

Dr. Zalez holds California license G65652, one of the licenses on file in 2 states.

Which states has Dr. James P. Zalez been licensed in?

Dmand AI has state licenses on file for Dr. Zalez in California (1989 to 2026) and Oklahoma (1993 to 1997).

What medical group is Dr. James P. Zalez part of?

Dr. Zalez is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Zalez to 1 more medical group.

Does Dr. James P. Zalez accept Medicare?

Yes. CMS data shows Dr. Zalez billed Medicare for 15 services in 2024, and Dr. Zalez accepts Medicare assignment.

How many Medicare patients does Dr. James P. Zalez see?

CMS counts 20 Medicare patients who saw Dr. Zalez in 2024, with an average age of 66.

What services does Dr. James P. Zalez bill to Medicare?

In 2024, Dr. Zalez's most billed Medicare services were office visit, established patient (99213).

Where did Dr. James P. Zalez go to medical school?

Dr. Zalez graduated from University of Illinois College of Medicine - Chicago in 1988.

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What drugs does Dr. James P. Zalez prescribe most?

In 2024 Medicare Part D data, Dr. Zalez's most prescribed drugs by claims were Cephalexin, Mupirocin and Ibuprofen.

How long has Dr. James P. Zalez been practicing?

Dr. Zalez graduated from medical school in 1988, 38 years ago.

What insurance does Dr. James P. Zalez accept?

Dr. Zalez is in network with 5 carriers, including Elevance, Kaiser Permanente and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.

Selling to thoracic surgery (cardiothoracic vascular surgery) practices?

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