Robert F. Onder, M.D.
Allergy Physician · Saint Louis, MO
Robert F. Onder, M.D. is an allergy physician with a practice address in Saint Louis, Missouri, and NPI 1164533295, issued on Aug 31, 2006. Check the license (Missouri R9H42, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Robert F. Onder
- Credential
- M.D.
- Primary taxonomy
- Allergy Physician 207KA0200X
- License number
- R9H42 MO
Self-reported in NPPES; status is on the state search - Practice location
- 711 Old Ballas RD, Saint Louis, MO 63141
- Phone
- (314) 569-0510
- Enumerated
- Aug 31, 2006
- Record last updated
- Oct 18, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (314) 569-1085
- Medicare enrollment
- Enrolled (PECOS I20120118000449); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest allergy physician records → All 22 in Missouri → Look up another NPI →
Also registered at 711 Old Ballas RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Theresa Blessing, LPC, NBCC, LCPCProfessional Counselor1013342187
- Robin Chervitz, LCSWClinical Social Worker1174629380
- Deborah Scallorn, MA, LPC, CRCProfessional Counselor1245759414
Verify Robert F. Onder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R9H42Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average allergy physician in 2024
657 Medicare Part D claims for 164 beneficiaries, against an average of 750 among the 645 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Montelukast Sodium85 claims
- Albuterol Sulfate Hfa80 claims
- Fluticasone Propionate73 claims
- Azelastine Hcl71 claims
- Breo Ellipta49 claims
- Fluticasone-Salmeterol46 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 20.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $482.64
30 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 502 providers of this specialty with any payment received $9,080.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Allergy And Asthma Consultants, PCCreve Coeur, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert F. Onder among 22 allergy physician records in Missouri
Robert F. Onder, M.D. is one of 22 allergy physician records with a practice address in Missouri. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 32% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1987 · median 1988 among the 13 with a school on file
- Record last updated2011 · 95% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207KA0200X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy Physician providers in Missouri
There are 22 allergy physician records in Missouri.
All 22 in Missouri → Every provider in Saint Louis → Allergy Physician nationwide →
The 8 allergy physician records with the nearest ZIP codes
- Susan Berdy, M.D.Saint Louis, MO 631411245287051
- Robert Kocur, M.D.Saint Louis, MO 631411689773541
- Jeffrey Wright, M.D.Saint Louis, MO 631411285673715
- Josie Vitale, M.D.Saint Louis, MO 631271063641223
- Laura Esswein, MDSaint Louis, MO 631261174596860
- Maria Sabio, MD,Kirkwood, MO 631221891808879
- Jeannie Perez, MDBridgeton, MO 630441851484687
- Tipu Sultan, M.D.Florissant, MO 630331629132683
Common questions
What is Robert F. Onder, M.D.'s NPI number?
Robert F. Onder, M.D.'s National Provider Identifier (NPI) is 1164533295, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert F. Onder, M.D. located?
The NPPES record lists a practice address at 711 Old Ballas RD, Saint Louis, MO, 63141. Phone: (314) 569-0510. Providers update this record themselves, so call before visiting.
How can I verify Robert F. Onder, M.D.'s license?
NPPES lists Missouri license number R9H42, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert F. Onder, M.D. prescribe under Medicare Part D?
In 2024, Robert F. Onder, M.D. had 657 Medicare Part D claims for 164 beneficiaries; the average among allergy physician prescribers was 750. Part D covers Medicare prescriptions only.
What is Robert F. Onder, M.D.'s MIPS final score?
The 2023 MIPS final score is 20.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.