Dr. Gilbert D. Ortega, MD
- Medicare services, 2024
- 11,037
- Medicare patients, 2024
- 228
- Part D claims, 2024
- 832
- Industry payments
- $29,695
- Affiliated sites
- 1
- Practice address
- 1120 S Dobson Rd, Chandler, AZ 85286
- Practice phone
- Call (602) 843-2991
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Arizona Asthma Allergy Legacy PLC
Chandler, Arizona
Find Dr. Ortega'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. Gilbert D. Ortega is an allergy and immunology (internal medicine) physician in Chandler, Arizona
Dr. Ortega practices at Arizona Asthma Allergy Legacy PLC in Chandler, Arizona.
Dr. Ortega's NPI, 1003349242, was assigned on April 5, 2017. Dr. Ortega graduated from University of Arizona College of Medicine in 2017. Dr. Ortega holds Arizona license 64715.
- NPI
- 1003349242NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527319326
- NPI enumeration date
- April 5, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (602) 843-2991
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gilbert D. Ortega practices at Arizona Asthma Allergy Legacy PLC in Chandler, Arizona
Dr. Ortega's primary practice is Arizona Asthma Allergy Legacy PLC, at 1120 S Dobson Rd, Chandler, AZ 85286 in Maricopa County. The practice phone is (602) 843-2991.
- Arizona Asthma Allergy Legacy PLC1120 S Dobson Rd, Chandler, AZ 85286 · Maricopa CountyPhone(602) 843-2991
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gilbert D. Ortega is affiliated with 2 sites of care and 1 medical group
Dr. Ortega's primary practice is Arizona Asthma Allergy Legacy PLC in Chandler, Arizona. The medical group on file is Arizona Asthma & Allergy Institute. Dmand AI also links Dr. Ortega to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gilbert D. Ortega's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ortega practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Arizona Asthma Allergy Legacy PLC | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gilbert D. Ortega is one of 8 allergys and immunology (internal medicine) physicians in Arizona
Allergy and immunology is Dr. Ortega's primary specialty in the NPI Registry, under taxonomy code 207RA0201X. Dr. Ortega is board certified in internal medicine by the American Board of Internal Medicine. Dr. Ortega is licensed in Arizona.
Specialties and state licenses
- Allergy and immunology (internal medicine), ArizonaPrimary
Allergys and immunology (internal medicine) physicians near Dr. Ortega
Counts of allergys and immunology (internal medicine) 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. Gilbert D. Ortega billed Medicare for 11,037 services in 2024
CMS data shows 11,037 Medicare services from Dr. Ortega across 11 procedure codes in 2024, for 228 Medicare patients. Medicare paid $82,017 for them. Every service was in an office.
Dr. Ortega's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 5,4042024: 10,61997%
- Office and hospital visits
- 2023: 2912024: 41844%
Dr. Ortega'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.
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Source: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data
Dr. Gilbert D. Ortega treated 228 Medicare patients in 2024, average age 73
CMS counts 228 Medicare patients who saw Dr. Ortega in 2024. The largest group is 65 to 74, with 129 patients. 75% of them have high cholesterol, and 68% have high blood pressure. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ortega's median patient age at 40, with 60% women.
Dr. Ortega's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ortega's Medicare patients by sex, 2024
- Women15066%
- Men7834%
Chronic conditions among Dr. Ortega's Medicare patients, 2024
- High cholesterol75%
- High blood pressure68%
- Arthritis56%
- Asthma39%
- Ischemic heart disease28%
- Chronic kidney disease27%
- Diabetes26%
- Anxiety21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ortega's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gilbert D. Ortega wrote 832 Medicare Part D claims in 2024
In 2024, Dr. Ortega wrote 832 Medicare Part D claims for 246 patients. 71% of them were for generic drugs. CMS names the drug for 718 of them, across 22 drugs with 11 or more claims each, at $399,162 in total drug cost. In 2023, CMS named 394 claims across 17 drugs.
Dr. Ortega's Part D claims by kind of drug, 2024
- Generic594 claims71%
- Brand-name238 claims29%
Dr. Ortega'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. Ortega's Part D claims, 2024
- Antibiotics6%52 of 832 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: 3942024: 71882%
Drugs named by CMS: 22 in 2024, 17 in 2023.
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. Gilbert D. Ortega takes part in Medicare
Dr. Ortega 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. Gilbert D. Ortega received $29,695 in industry payments from 2021 to 2025
CMS Open Payments shows 619 general payments to Dr. Ortega from 39 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 47% of the total. AstraZeneca Pharmaceuticals LP paid the most, $18,013.
General payments to Dr. Ortega by program year, 2021 to 2025
General payments to Dr. Ortega by kind, 2021 to 2025
- Food and beverage$14,08747%
- Speaker and faculty fees$13,20044%
- Consulting fees$1,4855%
- Travel and lodging$7993%
- Education$1240%
Companies that paid Dr. Ortega the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gilbert D. Ortega graduated from University of Arizona College of Medicine
Dr. Ortega graduated from University of Arizona College of Medicine in 2017.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Gilbert D. Ortega'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Gilbert D. Ortega
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. Gilbert D. Ortega's NPI number?
Dr. Gilbert D. Ortega's NPI number is 1003349242. It was assigned on April 5, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Gilbert D. Ortega?
Dr. Gilbert D. Ortega is an allergy and immunology (internal medicine) physician in Chandler, Arizona. The primary specialty in the NPI Registry is Allergy & Immunology (Internal Medicine) Physician (taxonomy code 207RA0201X).
Where does Dr. Gilbert D. Ortega practice?
Dr. Ortega practices at 1120 S Dobson Rd, Chandler, AZ 85286. Dr. Ortega's primary practice is Arizona Asthma Allergy Legacy PLC in Chandler, Arizona. Dmand AI also links Dr. Ortega to 1 group practice or clinic.
What is Dr. Gilbert D. Ortega's office phone number?
The practice phone on file for Dr. Ortega is (602) 843-2991.
What is Dr. Gilbert D. Ortega's medical license number?
Dr. Ortega holds Arizona license 64715.
What medical group is Dr. Gilbert D. Ortega part of?
Dr. Ortega is linked to Arizona Asthma & Allergy Institute.
Does Dr. Gilbert D. Ortega accept Medicare?
Yes. CMS data shows Dr. Ortega billed Medicare for 11,037 services in 2024, and Dr. Ortega accepts Medicare assignment.
How many Medicare patients does Dr. Gilbert D. Ortega see?
CMS counts 228 Medicare patients who saw Dr. Ortega in 2024, with an average age of 73.
Is Dr. Gilbert D. Ortega board certified?
Yes. Dr. Ortega is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Gilbert D. Ortega bill to Medicare?
In 2024, Dr. Ortega's most billed Medicare services were allergy test or treatment (95004), allergy test or treatment (95044) and allergy test or treatment (95117).
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Where did Dr. Gilbert D. Ortega go to medical school?
Dr. Ortega graduated from University of Arizona College of Medicine in 2017.
What drugs does Dr. Gilbert D. Ortega prescribe most?
In 2024 Medicare Part D data, Dr. Ortega's most prescribed drugs by claims were Azelastine HCl, Montelukast Sodium and Prednisone.
Has Dr. Gilbert D. Ortega received payments from drug or device companies?
CMS Open Payments shows $29,695 in general payments to Dr. Ortega from 39 companies from 2021 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Gilbert D. Ortega been practicing?
Dr. Ortega graduated from medical school in 2017, 9 years ago.
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