Dr. Oscar Hantz, MD
- Medicare services, 2016
- 1,157
- Part D claims, 2017
- 129
- Industry payments
- $79
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 253 Dunn Road, Florissant, MO 63031
- Practice phone
- Call (314) 921-7770
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ear, Head & Neck Specialists
Surgical practice · Florissant, Missouri
Find Dr. Hantz'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. Oscar Hantz is an otolaryngologist in Florissant, Missouri
Dr. Hantz practices at Ear, Head & Neck Specialists in Florissant, Missouri.
Dr. Hantz's NPI, 1265527485, was assigned on October 4, 2006. Dr. Hantz holds Missouri license R4889.
- NPI
- 1265527485NPI Registry (opens in a new tab)
- NPI enumeration date
- October 4, 2006
- NPI status
- Active
- Practice phone
- (314) 921-7770
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Oscar Hantz practices at Ear, Head & Neck Specialists in Florissant, Missouri
Dr. Hantz's primary practice is Ear, Head & Neck Specialists, at 253 Dunn Road, Florissant, MO 63031. The practice phone is (314) 921-7770.
- Ear, Head & Neck Specialists253 Dunn Road, Florissant, MO 63031Phone(314) 921-7770
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Oscar Hantz is affiliated with 1 site of care and 1 medical group
Dr. Hantz's primary practice is Ear, Head & Neck Specialists in Florissant, Missouri. Dmand AI also links Dr. Hantz to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Oscar Hantz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hantz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ear, Head & Neck Specialists | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Oscar Hantz is one of 195 otolaryngologists in Missouri
Otolaryngology is Dr. Hantz's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Hantz is licensed in Missouri.
Specialties and state licenses
- Otolaryngology, MissouriPrimary
Otolaryngologists near Dr. Hantz
Counts of otolaryngologists 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. Oscar Hantz billed Medicare for 1,157 services in 2016
CMS data shows 1,157 Medicare services from Dr. Hantz across 4 procedure codes in 2016. Medicare paid $51,255 for them. Every service was in an office.
Dr. Hantz's Medicare services by type, 2016
- Office and hospital visits843
- Surgery258
- Other services56
Dr. Hantz compared with the Missouri median for otolaryngologists, 2016
- Dr. Hantz
- Missouri median
- Medicare services
- 1,157vs 5742.0 times
- Part D claims
- 129vs 14310% below
Medians across 192 otolaryngologists in Missouri with Dmand AI profiles that report each measure.
Dr. Hantz's most billed Medicare procedure codes, 2016
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. Hantz?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hantz and other otolaryngologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Oscar Hantz's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Hantz's median patient age at 69, with 65% women.
Dr. Hantz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women65%
- Men35%
Source: Dmand AI Patient Panel Data
Dr. Oscar Hantz wrote 129 Medicare Part D claims in 2017
In 2017, Dr. Hantz wrote 129 Medicare Part D claims. They cover 4 drugs, with $2,262 in total drug cost. In 2016, CMS named 962 claims across 16 drugs.
Dr. Hantz's most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 9622017: 12987%
Drugs named by CMS: 4 in 2017, 16 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Oscar Hantz received $79 in industry payments from 2016 to 2017
CMS Open Payments shows 5 general payments to Dr. Hantz from 4 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $29.
General payments to Dr. Hantz by program year, 2016 to 2017
Companies that paid Dr. Hantz the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Oscar Hantz'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Oscar Hantz
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. Oscar Hantz's NPI number?
Dr. Oscar Hantz's NPI number is 1265527485. It was assigned on October 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Oscar Hantz?
Dr. Oscar Hantz is an otolaryngologist in Florissant, Missouri. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Oscar Hantz practice?
Dr. Hantz practices at 253 Dunn Road, Florissant, MO 63031. Dr. Hantz's primary practice is Ear, Head & Neck Specialists in Florissant, Missouri. Dmand AI also links Dr. Hantz to 1 medical group.
What is Dr. Oscar Hantz's office phone number?
The practice phone on file for Dr. Hantz is (314) 921-7770.
What is Dr. Oscar Hantz's medical license number?
Dr. Hantz holds Missouri license R4889.
Does Dr. Oscar Hantz accept Medicare?
Yes. CMS data shows Dr. Hantz billed Medicare for 1,157 services in 2016.
What services does Dr. Oscar Hantz bill to Medicare?
In 2016, Dr. Hantz's most billed Medicare services were office visit, established patient (99213), surgery: ear (69210) and office visit, new patient (99203).
What drugs does Dr. Oscar Hantz prescribe most?
In 2017 Medicare Part D data, Dr. Hantz's most prescribed drugs by claims were Montelukast Sodium, Fluticasone Propionate and Ranitidine HCl.
Has Dr. Oscar Hantz received payments from drug or device companies?
CMS Open Payments shows $79 in general payments to Dr. Hantz from 4 companies from 2016 to 2017. The largest total came from Alcon Laboratories Inc.
How long has Dr. Oscar Hantz been practicing?
Dr. Hantz's NPI was assigned in 2006.
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