J Allergy Clin Immunol Pract
Dr. Robert F. Onder Jr., MD
- Medicare services, 2024
- 7,303
- Medicare patients, 2024
- 155
- Part D claims, 2024
- 657
- Publications
- 2
- Industry payments
- $6,995
- Practice address
- 711 Old Ballas Rd Suite 100 Suite 100, Creve Coeur, MO 63141-7068
- Practice phone
- Call (314) 569-0510
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Allergy And Asthma Consultants
Medical specialty practice · Creve Coeur, Missouri
Find Dr. Onder'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. Robert F. Onder Jr. is an allergy physician in Saint Louis, Missouri
Dr. Onder practices at Allergy And Asthma Consultants in Creve Coeur, Missouri.
Dr. Onder's NPI, 1164533295, was assigned on August 31, 2006. Dr. Onder graduated from WashU Medicine in 1987. Dr. Onder holds Missouri license R9H42.
- NPI
- 1164533295NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931376878
- NPI enumeration date
- August 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 569-0510
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert F. Onder Jr. practices at Allergy and Asthma Consultants in Creve Coeur, Missouri
Dr. Onder's primary practice is Allergy and Asthma Consultants, at 711 Old Ballas Rd Suite 100 Suite 100, Creve Coeur, MO 63141-7068. The practice phone is (314) 569-0510.
- Allergy and Asthma Consultants711 Old Ballas Rd Suite 100 Suite 100, Creve Coeur, MO 63141-7068Phone(314) 569-0510
Source: Dmand AI Affiliation Data
Dr. Robert F. Onder Jr. is affiliated with 1 site of care and 1 medical group
Dr. Onder's primary practice is Allergy And Asthma Consultants in Creve Coeur, Missouri. The medical group on file is Allergy and Asthma Consultants.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert F. Onder Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Onder practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Allergy And Asthma Consultants | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert F. Onder Jr. is one of 16 allergy physicians in Missouri
Allergy is Dr. Onder's primary specialty in the NPI Registry, under taxonomy code 207KA0200X. Dr. Onder is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dr. Onder is licensed in Missouri.
Specialties and state licenses
- Allergy, MissouriPrimary
Clinical focus
Dmand AI lists acute sinusitis, asthma, chronic nasal allergies, chronic sinusitis, hives and upper respiratory infection (URI) among the conditions Dr. Onder treats.
Allergy physicians near Dr. Onder
Counts of allergy 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. Robert F. Onder Jr. billed Medicare for 7,303 services in 2024
CMS data shows 7,303 Medicare services from Dr. Onder across 6 procedure codes in 2024, for 155 Medicare patients. Medicare paid $66,468 for them. Every service was in an office.
Dr. Onder's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 11,2402024: 7,25235%
- Office and hospital visits
- 2023: 2172024: 5176%
- Other services
- 2023: 162024: 0100%
Dr. Onder compared with the Missouri median for allergy physicians, 2024
- Dr. Onder
- Missouri median
- Medicare services
- 7,303vs 1,1636.3 times
- Medicare patients
- 155vs 662.3 times
- Part D claims
- 545vs 1703.2 times
Medians across 16 allergy physicians in Missouri with Dmand AI profiles that report each measure.
Dr. Onder'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. Onder?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Onder and other allergy physicians in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert F. Onder Jr. treated 155 Medicare patients in 2024, average age 72
CMS counts 155 Medicare patients who saw Dr. Onder in 2024. The largest group is 65 to 74, with 85 patients. 73% of them have high cholesterol, and 67% have high blood pressure. 8% are also on Medicaid. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Onder's median patient age at 55, with 67% women.
Dr. Onder's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Onder's Medicare patients by sex, 2024
- Women10467%
- Men5133%
Chronic conditions among Dr. Onder's Medicare patients, 2024
- High cholesterol73%
- High blood pressure67%
- Arthritis54%
- Asthma54%
- Mood disorders27%
- Depression25%
- Anxiety24%
- Diabetes20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Onder's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert F. Onder Jr. wrote 657 Medicare Part D claims in 2024
In 2024, Dr. Onder wrote 657 Medicare Part D claims for 164 patients. 64% of them were for generic drugs. CMS names the drug for 545 of them, across 14 drugs with 11 or more claims each, at $77,301 in total drug cost. In 2023, CMS named 837 claims across 21 drugs.
Dr. Onder's Part D claims by kind of drug, 2024
- Generic418 claims64%
- Brand-name239 claims36%
Dr. Onder'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. Onder's Part D claims, 2024
- Antibiotics2%11 of 657 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: 8372024: 54535%
Drugs named by CMS: 14 in 2024, 21 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. Robert F. Onder Jr. takes part in Medicare
Dr. Onder 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. Robert F. Onder Jr. has 2 publications on record
Dmand AI links 2 papers to Dr. Onder in 2017. Dr. Onder's most frequent co-author is Thomas B. Casale, MD.
Dr. Onder's most frequent co-authors
Recent publications by Dr. Onder
See who Dr. Onder researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Onder works with, so you can find a warm path to the right allergy physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert F. Onder Jr. received $6,995 in industry payments from 2016 to 2025
CMS Open Payments shows 265 general payments to Dr. Onder from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 68% of the total. AstraZeneca Pharmaceuticals LP paid the most, $1,771. It also lists 17 research payments totaling $54,282 from 2016 to 2017.
General payments to Dr. Onder by program year, 2016 to 2025
General payments to Dr. Onder by kind, 2016 to 2025
- Food and beverage$4,72268%
- Travel and lodging$1,63123%
- Speaker and faculty fees$5007%
- Education$1422%
Companies that paid Dr. Onder 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. Robert F. Onder Jr. has 1 award and honors on record
Dmand AI lists 1 award for Dr. Onder, most recently CMS Stage 1 EHR in 2012.
Awards and honors for Dr. Onder
- 2012
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Robert F. Onder Jr. graduated from WashU Medicine
Dr. Onder graduated from WashU Medicine in 1987. Dr. Onder is a member of AAAAI.
- Medical school
- Board certified in allergy & immunology
Source: Dmand AI Professional Profile Data
Dr. Robert F. Onder Jr. accepts plans from 10 insurance carriers
Dr. Onder is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Cigna. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Cigna
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Humana
- Regence Health Plans
- Arkansas Blue Cross and Blue Shield
- +2 more carriersWith a free account
Plan types Dr. Onder accepts, by number of carriers
- Medicare9
- PPO8
- HMO3
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert F. Onder Jr.'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) |
| 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. Robert F. Onder Jr.
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. Robert F. Onder Jr.'s NPI number?
Dr. Robert F. Onder Jr.'s NPI number is 1164533295. It was assigned on August 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert F. Onder Jr.?
Dr. Robert F. Onder Jr. is an allergy physician in Saint Louis, Missouri. The primary specialty in the NPI Registry is Allergy Physician (taxonomy code 207KA0200X).
Where does Dr. Robert F. Onder Jr. practice?
Dr. Onder practices at 711 Old Ballas Rd Suite 100 Suite 100, Creve Coeur, MO 63141-7068. Dr. Onder's primary practice is Allergy And Asthma Consultants in Creve Coeur, Missouri.
What is Dr. Robert F. Onder Jr.'s office phone number?
The practice phone on file for Dr. Onder is (314) 569-0510.
What is Dr. Robert F. Onder Jr.'s medical license number?
Dr. Onder holds Missouri license R9H42.
What medical group is Dr. Robert F. Onder Jr. part of?
Dr. Onder is linked to Allergy and Asthma Consultants.
Does Dr. Robert F. Onder Jr. accept Medicare?
Yes. CMS data shows Dr. Onder billed Medicare for 7,303 services in 2024, and Dr. Onder accepts Medicare assignment.
How many Medicare patients does Dr. Robert F. Onder Jr. see?
CMS counts 155 Medicare patients who saw Dr. Onder in 2024, with an average age of 72.
Is Dr. Robert F. Onder Jr. board certified?
Yes. Dr. Onder is board certified in allergy & immunology by the American Board of Allergy and Immunology.
What services does Dr. Robert F. Onder Jr. bill to Medicare?
In 2024, Dr. Onder's most billed Medicare services were allergy test or treatment (95165), allergy test or treatment (95117) and infusion or chemotherapy administration (96372).
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Where did Dr. Robert F. Onder Jr. go to medical school?
Dr. Onder graduated from WashU Medicine in 1987.
What drugs does Dr. Robert F. Onder Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Onder's most prescribed drugs by claims were Montelukast Sodium, Albuterol Sulfate Hfa and Fluticasone Propionate.
Has Dr. Robert F. Onder Jr. received payments from drug or device companies?
CMS Open Payments shows $6,995 in general payments to Dr. Onder from 24 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Robert F. Onder Jr. been practicing?
Dr. Onder graduated from medical school in 1987, 39 years ago.
Does Dr. Robert F. Onder Jr. do research?
Dmand AI links 2 publications to Dr. Onder.
Who does Dr. Robert F. Onder Jr. publish with?
Dr. Onder's most frequent co-authors are Thomas B. Casale, MD (1 shared paper).
What insurance does Dr. Robert F. Onder Jr. accept?
Dr. Onder is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Cigna. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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