James L. Janowiak, OD
Optometrist · Sapulpa, OK
James L. Janowiak, OD is an optometrist with a practice address in Sapulpa, Oklahoma, and NPI 1851369888, issued on Mar 8, 2006. Check the license (Oklahoma 1004, as entered in NPPES) with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James L. Janowiak
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 1004 OK
Self-reported in NPPES; status is on the state search - Practice location
- 515 S Mission St, Sapulpa, OK 74066
- Phone
- (918) 224-2389
- Enumerated
- Mar 8, 2006
- Record last updated
- Oct 26, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (918) 224-3919
- Medicaid ID
- 100765580A OK
- Medicare enrollment
- Enrolled (PECOS I20100809001051); accepts Medicare assignment
- Medical or professional school
- University Of Houston - College Of Optometry, 1981
- Entity
- Type 1 · individual
8 nearest optometrist records → All 892 in Oklahoma → Look up another NPI →
Verify James L. Janowiak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
Search for license 1004Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% more Medicare Part D claims than the average optometrist in 2024
365 Medicare Part D claims for 87 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Latanoprost214 claims
- Timolol Maleate65 claims
- Brimonidine Tartrate13 claims
- Fluorometholone13 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.
James L. Janowiak among 892 optometrist records in Oklahoma
James L. Janowiak, OD is one of 892 optometrist records with a practice address in Oklahoma. 77% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1981 · median 2008 among the 620 with a school on file
- Record last updated2010 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 optometrist records list a practice address in Sapulpa
They are 6 of the 662 NPPES records with a practice address in Sapulpa, and 892 optometrist records in Oklahoma.
All 892 in Oklahoma → Every provider in Sapulpa → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Sarah Cook, O.D.Sapulpa, OK 740661710330139
- Abbie Etter, ODSapulpa, OK 740661922836550
- Larry Higgs, O.D.Sapulpa, OK 740661366449225
- Dennis Morris, O.D.Sapulpa, OK 740661720086408
- Zachary Morrison, ODSapulpa, OK 740661740916220
- Mark Manahan, O. D.Sand Springs, OK 740631528077500
- Laura Riggins, O.D.Sand Springs, OK 740631770632044
- Connor Swift, ODSand Springs, OK 740631225920861
Common questions
What is James L. Janowiak, OD's NPI number?
James L. Janowiak, OD's National Provider Identifier (NPI) is 1851369888, issued on Mar 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James L. Janowiak, OD located?
The NPPES record lists a practice address at 515 S Mission St, Sapulpa, OK, 74066. Phone: (918) 224-2389. Providers update this record themselves, so call before visiting.
How can I verify James L. Janowiak, OD's license?
NPPES lists Oklahoma license number 1004, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.
How much does James L. Janowiak, OD prescribe under Medicare Part D?
In 2024, James L. Janowiak, OD had 365 Medicare Part D claims for 87 beneficiaries; the average among optometrist prescribers was 277. 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.