Steven Tyler Ohnmacht, DO
Infectious Disease Physician · Scottsdale, AZ
Steven Tyler Ohnmacht, DO is an infectious disease physician with a practice address in Scottsdale, Arizona, and NPI 1255969325, issued on Apr 1, 2020. Check the license (Arizona 011683, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Steven Tyler Ohnmacht
- Credential
- DO
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 011683 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2899 N 87TH St Ste 110, Scottsdale, AZ 85257
- Phone
- (480) 582-3700
- Enumerated
- Apr 1, 2020
- Record last updated
- Dec 31, 2025
- Fax
- (480) 582-3800
- Medicare enrollment
- Enrolled (PECOS I20250801003224); accepts Medicare assignment
- Medical or professional school
- University Of New Mexico School Of Medicine, 2025
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 176 in Arizona → Look up another NPI →
Also registered at 2899 N 87TH St Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristen Becker, FNP-CFamily Nurse Practitioner1205479078
- Ciara Bozarth, D.O.Family Medicine Physician1427080712
- Aman Dalal, MDInfectious Disease Physician1750595575
Verify Steven Tyler Ohnmacht in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 011683Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average infectious disease physician in 2024
193 Medicare Part D claims for 13 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Biktarvy50 claims
- Atorvastatin Calcium29 claims
- Amlodipine Besylate18 claims
- Lisinopril13 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.
Bills Medicare through one group practice
- Arizona Infectious Disease PLLCGlendale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Tyler Ohnmacht among 176 infectious disease physician records in Arizona
Steven Tyler Ohnmacht, DO is one of 176 infectious disease physician records with a practice address in Arizona. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 89% of them.
- NPI issued2020 · 89% of these records are older, 6% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2025 · median 2001 among the 122 with a school on file
- Record last updated2025 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Arizona
There are 176 infectious disease physician records in Arizona.
All 176 in Arizona → Every provider in Scottsdale → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Aman Dalal, MDScottsdale, AZ 852571750595575
- Ahmad Aldeiri, MDScottsdale, AZ 852581063725174
- Omar Gonzalez, M.D.Scottsdale, AZ 852581982637849
- Leah Grant, MDScottsdale, AZ 852581609366368
- Laura Schroeder, M.D.Scottsdale, AZ 852581831193556
- Andrew Wallace, D.O.Scottsdale, AZ 852581912361502
- Maheen Abidi, M.D.Scottsdale, AZ 852591831103167
- Abeer Almajali, M.DScottsdale, AZ 852591396127718
Common questions
What is Steven Tyler Ohnmacht, DO's NPI number?
Steven Tyler Ohnmacht, DO's National Provider Identifier (NPI) is 1255969325, issued on Apr 1, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Steven Tyler Ohnmacht, DO located?
The NPPES record lists a practice address at 2899 N 87TH St Ste 110, Scottsdale, AZ, 85257. Phone: (480) 582-3700. Providers update this record themselves, so call before visiting.
How can I verify Steven Tyler Ohnmacht, DO's license?
NPPES lists Arizona license number 011683, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Steven Tyler Ohnmacht, DO prescribe under Medicare Part D?
In 2024, Steven Tyler Ohnmacht, DO had 193 Medicare Part D claims for 13 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
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.