Dr. Daniel M. Zinar, MD

  • Torrance, CA
  • Orthopaedic trauma physician
NPI1720074461PAC ID8628979143
Medicare services, 2024
473
Medicare patients, 2024
223
Part D claims, 2024
20
Publications
14
Hospital affiliations
5
Practice address
23560 Crenshaw Blvd, Torrance, CA 90505
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Torrance Surgery Center, LP - HOPD

Acute Care Hospital outpatient department · Torrance, California

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Dr. Daniel M. Zinar is an orthopaedic trauma physician in Torrance, California

Dr. Zinar practices at Torrance Surgery Center, LP - HOPD in Torrance, California.

Dr. Zinar's NPI, 1720074461, was assigned on September 27, 2005. Dr. Zinar graduated from UC San Diego School of Medicine in 1981. Dr. Zinar holds California license G48315.

NPI and contact details
Medicare PAC ID
8628979143
NPI enumeration date
September 27, 2005
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
71
Medical school graduation
1981

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

Dr. Daniel M. Zinar practices at Torrance Surgery Center, LP - HOPD in Torrance, California

Dr. Zinar's primary practice is Torrance Surgery Center, LP - HOPD, at 23560 Crenshaw Blvd, Torrance, CA 90505.

  • Torrance Surgery Center, LP - HOPD
    23560 Crenshaw Blvd, Torrance, CA 90505

Source: Dmand AI Affiliation Data

Dr. Daniel M. Zinar is affiliated with 10 sites of care and 4 medical groups

Dr. Zinar's primary practice is Torrance Surgery Center, LP - HOPD in Torrance, California. Dr. Zinar is also affiliated with Harbor-UCLA Medical Center. The medical group on file is Torrance Memorial Physician Network. Dmand AI also links Dr. Zinar to 4 more hospitals, 3 group practices and clinics, 3 medical groups and 1 ambulatory surgery center, each named with a free account.

See all 14 affiliations for Dr. Zinar

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Daniel M. Zinar's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zinar practices, 10 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Torrance Surgery Center, LP - HOPDAvailable with a free account
+9 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Daniel M. Zinar is one of 116 orthopaedic trauma physicians in California

Orthopaedic trauma is Dr. Zinar's primary specialty in the NPI Registry, under taxonomy code 207XX0801X. Dr. Zinar is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dr. Zinar is licensed in California.

Specialties and state licenses

  • Orthopaedic trauma, CaliforniaPrimaryLicense G48315 · 1982 to 2026 · taxonomy 207XX0801X

Clinical focus

Dmand AI lists arm, wrist, hand fracture and dislocation, broken or dislocated ankle/ or foot, hip replacement, joint pain, knee fracture and dislocation, leg, ankle or foot fracture, muscle pain, fibromyalgia, and limb pain and orthopedic surgery of arms and legs among the conditions Dr. Zinar treats.

Orthopaedic trauma physicians near Dr. Zinar

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

116orthopaedic trauma physicians in California
3orthopaedic trauma physicians in Torrance

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

Dr. Daniel M. Zinar billed Medicare for 473 services in 2024

CMS data shows 473 Medicare services from Dr. Zinar across 12 procedure codes in 2024, for 223 Medicare patients. Medicare paid $77,296 for them.

Medicare services, 2024473
Medicare patients223
Paid by Medicare$77,296
Procedure codes12

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

  • 2023
  • 2024
Office and hospital visits
2023: 2982024: 23222%
Imaging
2023: 2572024: 18926%
Surgery
2023: 342024: 5253%

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

  • In an office37579%
  • In a facility9821%

Dr. Zinar compared with the California median for orthopaedic trauma physicians, 2024

  • Dr. Zinar
  • California median
Medicare services
473vs 1642.9 times
Medicare patients
223vs 12776% above
Part D claims
15vs 2846% below

Medians across 107 orthopaedic trauma physicians in California with Dmand AI profiles that report each measure.

Dr. Zinar'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. Zinar

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

Dr. Daniel M. Zinar treated 223 Medicare patients in 2024, average age 77

CMS counts 223 Medicare patients who saw Dr. Zinar in 2024. The largest group is 75 to 84, with 83 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 1.76, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Zinar's median patient age at 62, with 55% women.

Medicare patients, 2024223
Average age77
Average risk score1.76
Also on Medicaid33%

Dr. Zinar's Medicare patients by age, 2024

Dr. Zinar's Medicare patients by sex, 2024

  • Women15268%
  • Men7132%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis61%
  4. Diabetes41%
  5. Mood disorders37%
  6. Depression35%
  7. Osteoporosis32%
  8. Anxiety31%

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

Dr. Zinar's patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women55%
  • Men45%

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

Dr. Daniel M. Zinar wrote 20 Medicare Part D claims in 2024

In 2024, Dr. Zinar wrote 20 Medicare Part D claims for 14 patients. 100% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $41 in total drug cost. In 2020, CMS named 25 claims across 1 drug.

Part D claims, 202420
Drugs named by CMS1
Total drug cost$41
Part D patients14

Dr. Zinar's most prescribed drugs by claims, 2021

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. Zinar's Part D claims, 2024

  • Antibiotics75%15 of 20 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, 2020 to 2021

  • 2020
  • 2021
Claims for drugs CMS names
2020: 252021: 1540%

Drugs named by CMS: 1 in 2021, 1 in 2020.

See all prescribing by Dr. Zinar

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. Daniel M. Zinar takes part in Medicare

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

Accepts Medicare assignment
Yes

Hip replacement: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Daniel M. Zinar has 14 publications on record

Dmand AI links 14 papers to Dr. Zinar. The most frequent topics are Bone Nails, Fracture Fixation, Intramedullary and Fracture Fixation, Internal. Dr. Zinar has published most often in Clin Orthop Relat Res. Dr. Zinar's most frequent co-authors are Christopher Max Hoshino, MD, Thomas Gregory Harris, MD and Elliot S. Mendelsohn, MD.

Papers14

Topics Dr. Zinar writes about most

  • Bone Nails
  • Fracture Fixation, Intramedullary
  • Fracture Fixation, Internal
  • Fractures, Bone
  • Fractures, Closed
  • Tibial Fractures
  • Ankle Injuries
  • Bone Plates

Dr. Zinar's most frequent co-authors

Recent publications by Dr. Zinar

See all 14 publications and co-authors

See who Dr. Zinar researches with

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

How network discovery works

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

Dr. Daniel M. Zinar received $8,996 in industry payments from 2016 to 2025

CMS Open Payments shows 115 general payments to Dr. Zinar from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 69% of the total. Stryker Corporation paid the most, $4,507.

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

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

$9Kin total
  • Food and beverage$6,20069%
  • Travel and lodging$2,79631%

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

Share is of all general payments to this clinician.

See all payments to Dr. Zinar

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

Dr. Daniel M. Zinar has 1 award and honors on record

Dmand AI lists 1 award for Dr. Zinar.

Awards and honors for Dr. Zinar

  1. Undated
    • Super Doc

Source: Dmand AI Professional Profile Data

Dr. Daniel M. Zinar graduated from UC San Diego School of Medicine

Dr. Zinar graduated from UC San Diego School of Medicine in 1981.

  1. Medical schoolUC San Diego School of Medicine
  2. Board certified in orthopaedic surgeryAmerican Board of Orthopaedic Surgery

Source: Dmand AI Professional Profile Data

Dr. Daniel M. Zinar accepts plans from 10 insurance carriers

Dr. Zinar is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • LA Care
  • Regence Health Plans
  • CMS Medicare
  • +2 more carriersWith a free account

Plan types Dr. Zinar accepts, by number of carriers

  1. Medicare8
  2. PPO6
  3. HMO5
  4. POS3
  5. EPO2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Daniel M. Zinar'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)Doctors and Clinicians Utilization Data (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. Daniel M. Zinar

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. Daniel M. Zinar's NPI number?

Dr. Daniel M. Zinar's NPI number is 1720074461. It was assigned on September 27, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Daniel M. Zinar?

Dr. Daniel M. Zinar is an orthopaedic trauma physician in Torrance, California. The primary specialty in the NPI Registry is Orthopaedic Trauma Physician (taxonomy code 207XX0801X).

Where does Dr. Daniel M. Zinar practice?

Dr. Zinar practices at 23560 Crenshaw Blvd, Torrance, CA 90505. Dr. Zinar's primary practice is Torrance Surgery Center, LP - HOPD in Torrance, California. Dmand AI also links Dr. Zinar to 4 hospitals, 3 group practices and clinics, 3 medical groups and 1 ambulatory surgery center.

What is Dr. Daniel M. Zinar's medical license number?

Dr. Zinar holds California license G48315.

Which hospitals is Dr. Daniel M. Zinar affiliated with?

Dr. Zinar is affiliated with Harbor-UCLA Medical Center. Dmand AI links Dr. Zinar to 4 more hospitals.

What medical group is Dr. Daniel M. Zinar part of?

Dr. Zinar is linked to Torrance Memorial Physician Network. Dmand AI links Dr. Zinar to 3 more medical groups.

Does Dr. Daniel M. Zinar accept Medicare?

Yes. CMS data shows Dr. Zinar billed Medicare for 473 services in 2024, and Dr. Zinar accepts Medicare assignment.

How many Medicare patients does Dr. Daniel M. Zinar see?

CMS counts 223 Medicare patients who saw Dr. Zinar in 2024, with an average age of 77.

Is Dr. Daniel M. Zinar board certified?

Yes. Dr. Zinar is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.

What services does Dr. Daniel M. Zinar bill to Medicare?

In 2024, Dr. Zinar's most billed Medicare services were office visit, established patient (99213), diagnostic imaging (73100) and surgery: bones and joints (27245).

Show 7 more questionsShow fewer questions

Where did Dr. Daniel M. Zinar go to medical school?

Dr. Zinar graduated from UC San Diego School of Medicine in 1981.

What drugs does Dr. Daniel M. Zinar prescribe most?

In 2021 Medicare Part D data, Dr. Zinar's most prescribed drugs by claims were Tramadol HCl.

Has Dr. Daniel M. Zinar received payments from drug or device companies?

CMS Open Payments shows $8,996 in general payments to Dr. Zinar from 9 companies from 2016 to 2025. The largest total came from Stryker Corporation.

How long has Dr. Daniel M. Zinar been practicing?

Dr. Zinar graduated from medical school in 1981, 45 years ago.

Does Dr. Daniel M. Zinar do research?

Dmand AI links 14 publications to Dr. Zinar.

Who does Dr. Daniel M. Zinar publish with?

Dr. Zinar's most frequent co-authors are Christopher Max Hoshino, MD (4 shared papers), Thomas Gregory Harris, MD (3 shared papers) and Elliot S. Mendelsohn, MD (3 shared papers).

What insurance does Dr. Daniel M. Zinar accept?

Dr. Zinar is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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