Johann Josue Schlager, OD
Vision Therapy Optometrist · Merced, CA
Johann Josue Schlager, OD is a vision therapy optometrist with a practice address in Merced, California, and NPI 1255986014, issued on Aug 7, 2019. Check the license (California 34586, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Johann Josue Schlager
- Credential
- OD
- Primary taxonomy
- Vision Therapy Optometrist 152WV0400X
- License number
- 34586 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3178 Collins Dr, Merced, CA 95348
- Phone
- (209) 383-1246
- Enumerated
- Aug 7, 2019
- Record last updated
- Sep 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- CB354670 CA
- Medicare enrollment
- Enrolled (PECOS I20200909003553); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 3178 Collins Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brandon Boggs, MDFamily Medicine Physician1386655520
- Gregory O'Connor, D.D.S.General Practice Dentistry1902877731
Verify Johann Josue Schlager in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 34586Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average vision therapy optometrist in 2024
96 Medicare Part D claims for 36 beneficiaries, against an average of 189 among the 109 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.
Most prescribed
- Latanoprost28 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.
Industry payments in 2024: $178.98
7 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 146 providers of this specialty with any payment received $1,184.25 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
- Johann J Schlager OD IncMerced, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Vision Therapy Optometrist providers in California
There are 57 vision therapy optometrist records in California.
Other vision therapy optometrist records in California
- Ariana Aparicio-Phillips, ODRiverside, CA1154090736
- Justine Bailey, OD, FCOVDLa Jolla, CA1962886887
- Beth Ballinger, O.D., F.C.O.V.D.Newport Beach, CA1366583965
- Vasudha Bhutani, O.D.Encino, CA1376682542
- Judy Cao, O.D.San Gabriel, CA1396153508
- Allison Cao-Le, O DMonterey, CA1114041746
- Stephen Chase, O.D. F.C.O.V.D.Torrance, CA1205996568
- Stephen Chun, OD, FAAOBerkeley, CA1942366133
- Tristina ChungPasadena, CA1982254785
- Brenda Coen, O.D.Citrus Heights, CA1104918739
Common questions
What is Johann Josue Schlager, OD's NPI number?
Johann Josue Schlager, OD's National Provider Identifier (NPI) is 1255986014, issued on Aug 7, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Johann Josue Schlager, OD located?
The NPPES record lists a practice address at 3178 Collins Dr, Merced, CA, 95348. Phone: (209) 383-1246. Providers update this record themselves, so call before visiting.
How can I verify Johann Josue Schlager, OD's license?
NPPES lists California license number 34586, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Johann Josue Schlager, OD prescribe under Medicare Part D?
In 2024, Johann Josue Schlager, OD had 96 Medicare Part D claims for 36 beneficiaries; the average among vision therapy optometrist prescribers was 189. 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.