Dr. Sydney A. Leibel, MD

  • San Diego, CA
  • Allergist and immunologist
NPI1861666919
Publications
18
Clinical trials
1
Hospital affiliations
1
Industry payments
$14,095
Medical groups
2
Practice address
3020 Childrens Way, San Diego, CA 92123
Practice phone
Call (858) 576-1700
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Rady Children's Hospital San Diego

Hospital · San Diego, California

See all 6 affiliations

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Dr. Sydney A. Leibel is an allergist and immunologist in San Diego, California

Dr. Leibel practices at Rady Children's Hospital San Diego in San Diego, California, part of Rady Children's Health.

Dr. Leibel's NPI, 1861666919, was assigned on April 19, 2008. Dr. Leibel graduated from The Flinders University of South Australia School of Medicine in 2005. Dr. Leibel holds California license A116427.

NPI and contact details
NPI enumeration date
April 19, 2008
NPI status
Active
Practice phone
(858) 576-1700
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
2005

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

Dr. Sydney A. Leibel practices at Rady Children's Hospital San Diego in San Diego, California

Dr. Leibel's primary practice is Rady Children's Hospital San Diego, at 3020 Childrens Way, San Diego, CA 92123 in San Diego County. The practice phone is (858) 576-1700.

Source: Dmand AI Affiliation Data

Dr. Sydney A. Leibel is affiliated with 4 sites of care and 2 medical groups

Dr. Leibel's primary practice is Rady Children's Hospital San Diego in San Diego, California, part of Rady Children's Health. The medical group on file is Rady Children's Specialists of San Diego. Dmand AI also links Dr. Leibel to 2 more group practices and clinics, 1 therapy and rehab clinic and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Leibel

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Sydney A. Leibel's practice

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

EHR by site
SiteEHR vendor and product
Rady Children's Hospital San DiegoAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Leibel practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Rady Children's Health and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Sydney A. Leibel is one of 386 allergists and immunologists in California

Allergy and immunology is Dr. Leibel's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Leibel is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dmand AI has Dr. Leibel's licenses on file in 4 states: California, Missouri, New York and Utah.

Specialties and state licenses

  • Allergy and immunology, CaliforniaPrimaryLicense A116427 · 2011 to 2027 · taxonomy 207K00000X
  • Missouri licenseSince 2013
  • New York licenseSince 2012
  • Utah license2007 to 2010

Allergists and immunologists near Dr. Leibel

Counts of allergists and immunologists 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. Sydney A. Leibel's patients have a median age of 10

Across all payers, Dmand AI patient panel data puts Dr. Leibel's median patient age at 10, with 42% women.

Dr. Leibel's patients across all payers

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

Patient panel by age, all payers

Median age 10

Patient panel by sex, all payers

  • Women42%
  • Men57%

Source: Dmand AI Patient Panel Data

Dr. Sydney A. Leibel has 18 publications on record

Dmand AI links 18 papers to Dr. Leibel, published from 2013 to 2025. 2022 was the busiest year, with 4. The most frequent topics are Asthma, Emergency Service, Hospital and California. Dr. Leibel has published most often in Eur Respir Rev. Dr. Leibel's most frequent co-authors are Bob Geng, MD, Sandra Lawrynowicz Leibel, MD and Shiyu Sherry Bai-Tong, MD.

Papers18
Years published2013 to 2025

Dr. Leibel's papers by year, 2013 to 2025

Topics Dr. Leibel writes about most

  • Asthma
  • Emergency Service, Hospital
  • California
  • Environmental Exposure
  • Infant, Premature
  • Administration, Inhalation
  • Adrenal Cortex Hormones
  • Air Pollutants

Dr. Leibel's most frequent co-authors

Recent publications by Dr. Leibel

See all 18 publications and co-authors

See who Dr. Leibel researches with

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

How network discovery works

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

Dr. Sydney A. Leibel has worked on 1 clinical trial

Dmand AI links Dr. Leibel to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Asthma and Respiratory Hypersensitivity.

Conditions in Dr. Leibel's trials

  • Asthma
  • Respiratory Hypersensitivity

Investigators on the most trials with Dr. Leibel

Recent clinical trials with Dr. Leibel

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Sydney A. Leibel received $14,095 in industry payments from 2016 to 2025

CMS Open Payments shows 68 general payments to Dr. Leibel from 20 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 81% of the total. AstraZeneca Pharmaceuticals LP paid the most, $5,538.

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

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

$14.1Kin total
  • Consulting fees$11,44481%
  • Food and beverage$1,90914%
  • Travel and lodging$7425%

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

Share is of all general payments to this clinician.

See all payments to Dr. Leibel

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

Dr. Sydney A. Leibel graduated from The Flinders University of South Australia School of Medicine

Dr. Leibel graduated from The Flinders University of South Australia School of Medicine in 2005.

  1. Medical schoolThe Flinders University of South Australia School of Medicine
  2. Board certified in allergy & immunologyAmerican Board of Allergy and Immunology

Source: Dmand AI Professional Profile Data

Dr. Sydney A. Leibel accepts plans from 7 insurance carriers

Dr. Leibel is in network with 7 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Molina
  • Elevance
  • HCSC
  • NV State Medicaid

Plan types Dr. Leibel accepts, by number of carriers

  1. PPO5
  2. HMO4
  3. Medicare3
  4. POS3
  5. EPO1
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Sydney A. Leibel'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 DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (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. Sydney A. Leibel

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. Sydney A. Leibel's NPI number?

Dr. Sydney A. Leibel's NPI number is 1861666919. It was assigned on April 19, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Sydney A. Leibel?

Dr. Sydney A. Leibel is an allergist and immunologist in San Diego, California. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).

Where does Dr. Sydney A. Leibel practice?

Dr. Leibel practices at 3020 Childrens Way, San Diego, CA 92123. Dr. Leibel's primary practice is Rady Children's Hospital San Diego in San Diego, California, part of Rady Children's Health. Dmand AI also links Dr. Leibel to 2 group practices and clinics, 1 therapy and rehab clinic and 1 medical group.

What is Dr. Sydney A. Leibel's office phone number?

The practice phone on file for Dr. Leibel is (858) 576-1700.

What is Dr. Sydney A. Leibel's medical license number?

Dr. Leibel holds California license A116427, one of the licenses on file in 4 states.

Which states has Dr. Sydney A. Leibel been licensed in?

Dmand AI has state licenses on file for Dr. Leibel in California (2011 to 2027), Missouri (since 2013), New York (since 2012) and Utah (2007 to 2010).

Which hospitals is Dr. Sydney A. Leibel affiliated with?

Dr. Leibel practices at Rady Children's Hospital San Diego in San Diego, California.

What medical group is Dr. Sydney A. Leibel part of?

Dr. Leibel is linked to Rady Children's Specialists of San Diego. Dmand AI links Dr. Leibel to 1 more medical group.

Is Dr. Sydney A. Leibel board certified?

Yes. Dr. Leibel is board certified in allergy & immunology by the American Board of Allergy and Immunology.

Where did Dr. Sydney A. Leibel go to medical school?

Dr. Leibel graduated from The Flinders University of South Australia School of Medicine in 2005.

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Has Dr. Sydney A. Leibel received payments from drug or device companies?

CMS Open Payments shows $14,095 in general payments to Dr. Leibel from 20 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Sydney A. Leibel been practicing?

Dr. Leibel graduated from medical school in 2005, 21 years ago.

Does Dr. Sydney A. Leibel do research?

Dmand AI links 18 publications to Dr. Leibel, published from 2013 to 2025. Dr. Leibel has worked on 1 clinical trial.

Who does Dr. Sydney A. Leibel publish with?

Dr. Leibel's most frequent co-authors are Bob Geng, MD (6 shared papers), Sandra Lawrynowicz Leibel, MD (4 shared papers) and Shiyu Sherry Bai-Tong, MD (3 shared papers).

What insurance does Dr. Sydney A. Leibel accept?

Dr. Leibel is in network with 7 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.

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