Bull Hosp Jt Dis
Dr. Daniel M. Zinar, MD
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Torrance Surgery Center, LP - HOPD
Acute Care Hospital outpatient department · Torrance, California
Find Dr. Zinar's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
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
- 1720074461NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628979143
- NPI enumeration date
- September 27, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- 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 - HOPD23560 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.
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.
| Site | EHR vendor and product |
|---|---|
| Torrance Surgery Center, LP - HOPD | Available with a free account |
| +9 more sites and 3 medical groups | Available 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, CaliforniaPrimary
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.
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.
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.
Need commercial claims for Dr. Zinar?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zinar and other orthopaedic trauma physicians in California.
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.
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
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Diabetes41%
- Mood disorders37%
- Depression35%
- Osteoporosis32%
- 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.
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.
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.
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
- Christopher Max Hoshino, MD4 shared papers
- Thomas Gregory Harris, MD3 shared papers
- Elliot S. Mendelsohn, MD3 shared papers
Recent publications by Dr. Zinar
J Bone Joint Surg Am
Clin Orthop Relat Res
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.
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
- 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.
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
- 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.
- Medical school
- Board certified in 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
- Medicare8
- PPO6
- HMO5
- POS3
- EPO2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Daniel M. Zinar's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors 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-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand 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).
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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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