Dr. Leighton John Smith, MD
- Medicare services, 2024
- 334
- Medicare patients, 2024
- 202
- Hospital affiliations
- 2
- Industry payments
- $1,731
- Medical group
- 1
- Practice address
- 16250 Sand Canyon Avenue, Irvine, CA 92618
- Practice phone
- Call (949) 727-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Smith'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. Leighton John Smith is an anesthesiologist in Irvine, California
Dr. Smith practices at Hoag Orthopedic Institute in Irvine, California, part of Hoag Memorial Hospital Presbyterian.
Dr. Smith's NPI, 1093755688, was assigned on June 8, 2006. Dr. Smith graduated from UCSF School of Medicine in 1993. Dr. Smith holds California license G79861.
- NPI
- 1093755688NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224081427
- NPI enumeration date
- June 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (949) 727-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leighton John Smith practices at Hoag Orthopedic Institute in Irvine, California
Dr. Smith's primary practice is Hoag Orthopedic Institute, at 16250 Sand Canyon Avenue, Irvine, CA 92618 in Orange County. The practice phone is (949) 727-5000.
- Hoag Orthopedic Institute16250 Sand Canyon Avenue, Irvine, CA 92618 · Orange CountyPhone(949) 727-5000
Source: Dmand AI Affiliation Data
Dr. Leighton John Smith is affiliated with 3 sites of care and 1 medical group
Dr. Smith's primary practice is Hoag Orthopedic Institute in Irvine, California, part of Hoag Memorial Hospital Presbyterian. Dr. Smith is also affiliated with Hoag Hospital Newport Beach. The medical group on file is Newport Harbor Anesthesia Consultants. Dmand AI also links Dr. Smith to 1 more hospital outpatient department, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Leighton John Smith's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Smith practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hoag Orthopedic Institute | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Leighton John Smith is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Smith's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Smith is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Smith is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Smith
Counts of anesthesiologists 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. Leighton John Smith billed Medicare for 334 services in 2024
CMS data shows 334 Medicare services from Dr. Smith across 9 procedure codes in 2024, for 202 Medicare patients. Medicare paid $53,446 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Smith's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 1792024: 15315%
- Surgery
- 2023: 1072024: 14838%
- Imaging
- 2023: 372024: 3311%
Dr. Smith compared with the California median for anesthesiologists, 2024
- Dr. Smith
- California median
- Medicare services
- 334vs 724.6 times
- Medicare patients
- 202vs 14341% above
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Smith'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. Smith?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Smith and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leighton John Smith treated 202 Medicare patients in 2024, average age 75
CMS counts 202 Medicare patients who saw Dr. Smith in 2024. The largest group is 65 to 74, with 97 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.07, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Smith's median patient age at 74, with 61% women.
Dr. Smith's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Smith's Medicare patients by sex, 2024
- Women11758%
- Men8542%
Chronic conditions among Dr. Smith's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease27%
- Anxiety25%
- Mood disorders25%
- Osteoporosis24%
- Atrial fibrillation22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Smith's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women61%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Leighton John Smith takes part in Medicare
Dr. Smith 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. Leighton John Smith received $1,731 in industry payments from 2016 to 2023
CMS Open Payments shows 20 general payments to Dr. Smith from 6 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 54% of the total. Pacira Pharmaceuticals Incorporated paid the most, $796.
General payments to Dr. Smith by program year, 2016 to 2023
General payments to Dr. Smith by kind, 2016 to 2023
- Food and beverage$93454%
- Travel and lodging$79746%
Companies that paid Dr. Smith the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leighton John Smith graduated from UCSF School of Medicine
Dr. Smith graduated from UCSF School of Medicine in 1993.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Leighton John Smith accepts plans from 1 insurance carrier
Dr. Smith is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Leighton John Smith'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 DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Leighton John Smith
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. Leighton John Smith's NPI number?
Dr. Leighton John Smith's NPI number is 1093755688. It was assigned on June 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Leighton John Smith?
Dr. Leighton John Smith is an anesthesiologist in Irvine, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Leighton John Smith practice?
Dr. Smith practices at 16250 Sand Canyon Avenue, Irvine, CA 92618. Dr. Smith's primary practice is Hoag Orthopedic Institute in Irvine, California, part of Hoag Memorial Hospital Presbyterian. Dmand AI also links Dr. Smith to 1 hospital outpatient department.
What is Dr. Leighton John Smith's office phone number?
The practice phone on file for Dr. Smith is (949) 727-5000.
What is Dr. Leighton John Smith's medical license number?
Dr. Smith holds California license G79861.
Which hospitals is Dr. Leighton John Smith affiliated with?
Dr. Smith practices at Hoag Orthopedic Institute in Irvine, California. Dr. Smith is also affiliated with Hoag Hospital Newport Beach.
What medical group is Dr. Leighton John Smith part of?
Dr. Smith is linked to Newport Harbor Anesthesia Consultants.
Does Dr. Leighton John Smith accept Medicare?
Yes. CMS data shows Dr. Smith billed Medicare for 334 services in 2024, and Dr. Smith accepts Medicare assignment.
How many Medicare patients does Dr. Leighton John Smith see?
CMS counts 202 Medicare patients who saw Dr. Smith in 2024, with an average age of 75.
Is Dr. Leighton John Smith board certified?
Yes. Dr. Smith is board certified in anesthesiology by the American Board of Anesthesiology.
Show 5 more questionsShow fewer questions
What services does Dr. Leighton John Smith bill to Medicare?
In 2024, Dr. Smith's most billed Medicare services were surgery: brain, spine and nerves (64447), anesthesia (01402) and surgery: brain, spine and nerves (64454).
Where did Dr. Leighton John Smith go to medical school?
Dr. Smith graduated from UCSF School of Medicine in 1993.
Has Dr. Leighton John Smith received payments from drug or device companies?
CMS Open Payments shows $1,731 in general payments to Dr. Smith from 6 companies from 2016 to 2023. The largest total came from Pacira Pharmaceuticals Incorporated.
How long has Dr. Leighton John Smith been practicing?
Dr. Smith graduated from medical school in 1993, 33 years ago.
What insurance does Dr. Leighton John Smith accept?
Dr. Smith is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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