NPPES file of Aug 9, 2026

Brian James Zwanziger, O.D.

Optometrist · Ponca City, OK

Brian James Zwanziger, O.D. is an optometrist with a practice address in Ponca City, Oklahoma, and NPI 1871758045, issued on Jul 27, 2008. Check the license (Oklahoma 2588, as entered in NPPES) with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871758045
Name
Brian James Zwanziger
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
2588 OK
Self-reported in NPPES; status is on the state search
Practice location
521 E Hartford Ave, Ponca City, OK 74601
Phone
(580) 765-3379
Enumerated
Jul 27, 2008
Record last updated
Mar 31, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(580) 765-6323
Medicare enrollment
Enrolled (PECOS I20081117000496); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 521 E Hartford Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Amanda ArieOptometrist1609758960

Verify Brian James Zwanziger in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
    Search for license 2588
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Oklahoma license search

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28% fewer Medicare Part D claims than the average optometrist in 2024

200 Medicare Part D claims for 59 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 48% of claims.

  1. Brian Zwanziger200
  2. Specialty average277

Most prescribed

  1. Lumigan33 claims
  2. Latanoprost27 claims
  3. Prednisolone Acetate19 claims
  4. Erythromycin18 claims
  5. Tobramycin-Dexamethasone14 claims
  6. Brimonidine Tartrate11 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.

Brian James Zwanziger among 892 optometrist records in Oklahoma

Brian James Zwanziger, O.D. 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 2008, is newer than 54% of them.

  • NPI issued2008 · 54% of these records are older, 42% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2008 · median 2008 among the 620 with a school on file
  • Record last updated2009 · 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).

10 optometrist records list a practice address in Ponca City

They are 10 of the 704 NPPES records with a practice address in Ponca City, and 892 optometrist records in Oklahoma.

The 8 optometrist records with the nearest ZIP codes

  1. Amanda AriePonca City, OK 746011609758960
  2. Kelly Campbell, O.D.Ponca City, OK 746011477867919
  3. Christopher Chenoweth, O.D.Ponca City, OK 746011750300992
  4. Andrew Coufal, ODPonca City, OK 746011265108815
  5. Gary DormanPonca City, OK 746011467444315
  6. Donald Kelle, O.D.Ponca City, OK 746011265520951
  7. Tatyana Mayer, ODPonca City, OK 746011477560019
  8. William Stuever, O.D.Ponca City, OK 746011659376853

Common questions

What is Brian James Zwanziger, O.D.'s NPI number?

Brian James Zwanziger, O.D.'s National Provider Identifier (NPI) is 1871758045, issued on Jul 27, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Brian James Zwanziger, O.D. located?

The NPPES record lists a practice address at 521 E Hartford Ave, Ponca City, OK, 74601. Phone: (580) 765-3379. Providers update this record themselves, so call before visiting.

How can I verify Brian James Zwanziger, O.D.'s license?

NPPES lists Oklahoma license number 2588, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.

How much does Brian James Zwanziger, O.D. prescribe under Medicare Part D?

In 2024, Brian James Zwanziger, O.D. had 200 Medicare Part D claims for 59 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.