Dr. Joshua Michael Ian Davidson, MD, MPH

  • La Jolla, CA
  • Allergist and immunologist
NPI1144343146PAC ID1052485208
Medicare services, 2024
462
Medicare patients, 2024
46
Part D claims, 2024
869
Publications
2
Industry payments
$2,950
Practice address
9850 Genesee Ave, La Jolla, CA 92037
Practice phone
Call (858) 453-0753
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Scripps Clinic OB-GYN La Jolla Campus

La Jolla, California

See all 10 affiliations

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Dr. Joshua Michael Ian Davidson is an allergist and immunologist in La Jolla, California

Dr. Davidson practices at Scripps Clinic OB-GYN La Jolla Campus in La Jolla, California.

Dr. Davidson's NPI, 1144343146, was assigned on April 6, 2007. Dr. Davidson graduated from David Geffen School of Medicine at UCLA in 2003. Dr. Davidson holds California license A88990.

NPI and contact details
Medicare PAC ID
1052485208
NPI enumeration date
April 6, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(858) 453-0753
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
49
Medical school graduation
2003

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

Dr. Joshua Michael Ian Davidson practices at Scripps Clinic OB-GYN La Jolla Campus in La Jolla, California

Dr. Davidson's primary practice is Scripps Clinic OB-GYN La Jolla Campus, at 9850 Genesee Ave, La Jolla, CA 92037 in San Diego County. The practice phone is (858) 453-0753.

  • Scripps Clinic OB-GYN La Jolla Campus
    9850 Genesee Ave, La Jolla, CA 92037 · San Diego CountyPhone(858) 453-0753

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Joshua Michael Ian Davidson is affiliated with 6 sites of care and 4 medical groups

Dr. Davidson's primary practice is Scripps Clinic OB-GYN La Jolla Campus in La Jolla, California. The medical group on file is Perlman Clinic. Dmand AI also links Dr. Davidson to 3 more group practices and clinics, 3 medical groups and 2 physician offices, each named with a free account.

See all 10 affiliations for Dr. Davidson

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

Dmand AI tracks the EHR system at Dr. Joshua Michael Ian Davidson's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Davidson practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Scripps Clinic OB-GYN La Jolla CampusAvailable with a free account
+5 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Davidson practices

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Dr. Joshua Michael Ian Davidson is one of 386 allergists and immunologists in California

Allergy and immunology is Dr. Davidson's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Davidson is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dmand AI has Dr. Davidson's licenses on file in 15 states: California, Colorado, District of Columbia, Delaware, Florida, Iowa, Massachusetts, New Jersey, Nevada, South Carolina, Tennessee, Texas, Idaho, Illinois and Kansas.

Specialties and state licenses

  • Allergy and immunology, CaliforniaPrimaryLicense A88990 · 2004 to 2026 · taxonomy 207K00000X
  • Colorado license2023 to 2027
  • District of Columbia license2024 to 2027
  • Delaware license2024 to 2027
  • Florida license2025 to 2027
  • Iowa license2024 to 2027
  • Massachusetts license2025 to 2027
  • New Jersey license2024 to 2027
  • Nevada license2024 to 2027
  • South Carolina license2024 to 2027
  • Tennessee license2023 to 2027
  • Texas license2023 to 2027
  • Idaho license2024 to 2026
  • Illinois license2023 to 2026
  • Kansas license2024 to 2026

Clinical focus

Dmand AI lists acute sinusitis, chronic nasal allergies and hives among the conditions Dr. Davidson treats.

Allergists and immunologists near Dr. Davidson

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

386allergists and immunologists in California
3allergists and immunologists in La Jolla

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

Dr. Joshua Michael Ian Davidson billed Medicare for 462 services in 2024

CMS data shows 462 Medicare services from Dr. Davidson across 2 procedure codes in 2024, for 46 Medicare patients. Medicare paid $4,854 for them. Every service was in an office.

Medicare services, 2024462
Medicare patients46
Paid by Medicare$4,854
Procedure codes2

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

  • 2023
  • 2024
Tests and treatments
2023: 7052024: 46234%

Dr. Davidson compared with the California median for allergists and immunologists, 2024

  • Dr. Davidson
  • California median
Medicare services
462vs 1,84075% below
Medicare patients
46vs 14568% below
Part D claims
583vs 2592.3 times

Medians across 368 allergists and immunologists in California with Dmand AI profiles that report each measure.

Dr. Davidson'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. Davidson

Need commercial claims for Dr. Davidson?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Davidson and other allergists and immunologists in California.

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

Dr. Joshua Michael Ian Davidson treated 46 Medicare patients in 2024, average age 72

CMS counts 46 Medicare patients who saw Dr. Davidson in 2024. The largest group is 65 to 74, with 21 patients. 67% of them have high cholesterol, and 65% have high blood pressure. Their average risk score is 1.32, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Davidson's median patient age at 37, with 66% women.

Medicare patients, 202446
Average age72
Average risk score1.32

Dr. Davidson's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Davidson's Medicare patients by sex, 2024

  • Women2248%
  • Men2452%

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

  1. High cholesterol67%
  2. High blood pressure65%
  3. Arthritis57%
  4. Asthma39%

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

Dr. Davidson's patients across all payers

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

Patient panel by age, all payers

Median age 37

Patient panel by sex, all payers

  • Women66%
  • Men33%

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

Dr. Joshua Michael Ian Davidson wrote 869 Medicare Part D claims in 2024

In 2024, Dr. Davidson wrote 869 Medicare Part D claims for 308 patients. 80% of them were for generic drugs. CMS names the drug for 583 of them, across 24 drugs with 11 or more claims each, at $195,490 in total drug cost. In 2023, CMS named 993 claims across 38 drugs.

Part D claims, 2024869
Drugs named by CMS24
Total drug cost$195,490
Part D patients308

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

  • Generic698 claims80%
  • Brand-name and other171 claims20%

Dr. Davidson'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. Davidson's Part D claims, 2024

  • Antibiotics3%22 of 869 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: 9932024: 58341%

Drugs named by CMS: 24 in 2024, 38 in 2023.

See all prescribing by Dr. Davidson

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

Dr. Joshua Michael Ian Davidson offers telehealth to Medicare patients

Dr. Davidson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Davidson as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Joshua Michael Ian Davidson has 2 publications on record

Dmand AI links 2 papers to Dr. Davidson in 2014. Dr. Davidson's most frequent co-authors are Ronina A. Covar, MD and Carah Bernice Santos, MD.

Papers2

Dr. Davidson's most frequent co-authors

Recent publications by Dr. Davidson

See all 2 publications and co-authors

See who Dr. Davidson researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Davidson 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. Joshua Michael Ian Davidson received $2,950 in industry payments from 2016 to 2023

CMS Open Payments shows 23 general payments to Dr. Davidson from 10 drug and device companies from 2016 to 2023. Consulting fees make up the largest share, 89% of the total. Optinose US, Inc. paid the most, $2,000.

General payments to Dr. Davidson by program year, 2016 to 2023

General payments to Dr. Davidson by kind, 2016 to 2023

$2.9Kin total
  • Consulting fees$2,62589%
  • Food and beverage$28910%
  • Education$351%

Companies that paid Dr. Davidson the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Davidson

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

Dr. Joshua Michael Ian Davidson has 1 award and honors on record

Dmand AI lists 1 award for Dr. Davidson, most recently Joseph St. Geme Award for Research in 2006. Dr. Davidson serves on Providence Partners for Health - Information Technology Committee.

Awards and honors for Dr. Davidson

  1. 2006
    • Joseph St. Geme Award for Research

Dr. Davidson's committees and leadership roles

Providence Partners for Health - Information Technology CommitteeMember
2011 to present

Source: Dmand AI Professional Profile Data

Dr. Joshua Michael Ian Davidson graduated from David Geffen School of Medicine at UCLA

Dr. Davidson graduated from David Geffen School of Medicine at UCLA in 2003. Dr. Davidson is a member of AAAAI.

  1. Medical schoolDavid Geffen School of Medicine at UCLA
  2. Board certified in allergy & immunologyAmerican Board of Allergy and Immunology

Source: Dmand AI Professional Profile Data

Dr. Joshua Michael Ian Davidson accepts plans from 17 insurance carriers

Dr. Davidson is in network with 17 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • Humana
  • +9 more carriersWith a free account

Plan types Dr. Davidson accepts, by number of carriers

  1. PPO11
  2. Medicare10
  3. HMO7
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. Joshua Michael Ian Davidson'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)
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. Joshua Michael Ian Davidson

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. Joshua Michael Ian Davidson's NPI number?

Dr. Joshua Michael Ian Davidson's NPI number is 1144343146. It was assigned on April 6, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Joshua Michael Ian Davidson?

Dr. Joshua Michael Ian Davidson is an allergist and immunologist in La Jolla, California. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).

Where does Dr. Joshua Michael Ian Davidson practice?

Dr. Davidson practices at 9850 Genesee Ave, La Jolla, CA 92037. Dr. Davidson's primary practice is Scripps Clinic OB-GYN La Jolla Campus in La Jolla, California. Dmand AI also links Dr. Davidson to 3 group practices and clinics, 3 medical groups and 2 physician offices.

What is Dr. Joshua Michael Ian Davidson's office phone number?

The practice phone on file for Dr. Davidson is (858) 453-0753.

What is Dr. Joshua Michael Ian Davidson's medical license number?

Dr. Davidson holds California license A88990, one of the licenses on file in 15 states.

Which states has Dr. Joshua Michael Ian Davidson been licensed in?

Dmand AI has state licenses on file for Dr. Davidson in California (2004 to 2026), Colorado (2023 to 2027), District of Columbia (2024 to 2027), Delaware (2024 to 2027), Florida (2025 to 2027), Iowa (2024 to 2027), Massachusetts (2025 to 2027), New Jersey (2024 to 2027), Nevada (2024 to 2027), South Carolina (2024 to 2027), Tennessee (2023 to 2027), Texas (2023 to 2027), Idaho (2024 to 2026), Illinois (2023 to 2026) and Kansas (2024 to 2026).

What medical group is Dr. Joshua Michael Ian Davidson part of?

Dr. Davidson is linked to Perlman Clinic. Dmand AI links Dr. Davidson to 3 more medical groups.

Does Dr. Joshua Michael Ian Davidson accept Medicare?

Yes. CMS data shows Dr. Davidson billed Medicare for 462 services in 2024, and Dr. Davidson accepts Medicare assignment.

Does Dr. Joshua Michael Ian Davidson offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Davidson as offering telehealth services.

How many Medicare patients does Dr. Joshua Michael Ian Davidson see?

CMS counts 46 Medicare patients who saw Dr. Davidson in 2024, with an average age of 72.

Show 9 more questionsShow fewer questions

Is Dr. Joshua Michael Ian Davidson board certified?

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

What services does Dr. Joshua Michael Ian Davidson bill to Medicare?

In 2024, Dr. Davidson's most billed Medicare services were allergy test or treatment (95117) and allergy test or treatment (95144).

Where did Dr. Joshua Michael Ian Davidson go to medical school?

Dr. Davidson graduated from David Geffen School of Medicine at UCLA in 2003.

What drugs does Dr. Joshua Michael Ian Davidson prescribe most?

In 2024 Medicare Part D data, Dr. Davidson's most prescribed drugs by claims were Levocetirizine Dihydrochloride, Breo Ellipta and Triamcinolone Acetonide.

Has Dr. Joshua Michael Ian Davidson received payments from drug or device companies?

CMS Open Payments shows $2,950 in general payments to Dr. Davidson from 10 companies from 2016 to 2023. The largest total came from Optinose US, Inc.

How long has Dr. Joshua Michael Ian Davidson been practicing?

Dr. Davidson graduated from medical school in 2003, 23 years ago.

Does Dr. Joshua Michael Ian Davidson do research?

Dmand AI links 2 publications to Dr. Davidson.

Who does Dr. Joshua Michael Ian Davidson publish with?

Dr. Davidson's most frequent co-authors are Ronina A. Covar, MD (1 shared paper) and Carah Bernice Santos, MD (1 shared paper).

What insurance does Dr. Joshua Michael Ian Davidson accept?

Dr. Davidson is in network with 17 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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