NPPES file of Aug 9, 2026

Alex C. Zemke, O.D.

Optometrist · Lakewood, CO

Alex C. Zemke, O.D. is an optometrist with a practice address in Lakewood, Colorado, and NPI 1578825634, issued on Jun 13, 2012. Check the license (Colorado OPT.0002973, as entered in NPPES) with the Colorado 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
1578825634
Name
Alex C. Zemke
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
OPT.0002973 CO
Self-reported in NPPES; status is on the state search
Practice location
2290 Kipling St Unit 1, Lakewood, CO 80215
Phone
(303) 238-9900
Enumerated
Jun 13, 2012
Record last updated
Aug 16, 2022
Fax
(303) 238-8527
Medicaid ID
04023859 CO
Medicare enrollment
Enrolled (PECOS I20131019000044); accepts Medicare assignment
Medical or professional school
Illinois College Of Optometry At Chicago, 2013
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 2290 Kipling St Unit 1

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

  1. Madison Hay, ODOptometrist1376229443

Verify Alex C. Zemke in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license OPT.0002973
    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
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73% more Medicare Part D claims than the average optometrist in 2024

478 Medicare Part D claims for 151 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. Alex Zemke478
  2. Specialty average277

Most prescribed

  1. Latanoprost179 claims
  2. Dorzolamide-Timolol82 claims
  3. Restasis44 claims
  4. Lumigan28 claims
  5. Timolol Maleate20 claims
  6. Cyclosporine18 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: $363.38

16 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alex Zemke$363.38
  2. Specialty average$769.99

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

  1. Alex Zemke OD PLLCLakewood, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

65 optometrist records list a practice address in Lakewood

They are 65 of the 4,944 NPPES records with a practice address in Lakewood, and 1,273 optometrist records in Colorado.

Other optometrist records in Colorado

  1. Kaleb Abbott, ODAurora, CO1396230421
  2. Amy Abel, O.D.Fort Collins, CO1295724516
  3. Gregory Abel, O.D.Ft Collins, CO1720077043
  4. Brian Abert, O.D.Arvada, CO1134383094
  5. Ritu Abraham, ODAurora, CO1316695489
  6. Andrew Achziger, O.D.Greeley, CO1487603049
  7. Alicia Adams, O.D.Denver, CO1790072643
  8. Heather Adams, ODFrisco, CO1194618934
  9. Heather Adler, O.D.Northglenn, CO1518266188
  10. Brianna Aheimer, ODDenver, CO1811874597

Common questions

What is Alex C. Zemke, O.D.'s NPI number?

Alex C. Zemke, O.D.'s National Provider Identifier (NPI) is 1578825634, issued on Jun 13, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Alex C. Zemke, O.D. located?

The NPPES record lists a practice address at 2290 Kipling St Unit 1, Lakewood, CO, 80215. Phone: (303) 238-9900. Providers update this record themselves, so call before visiting.

How can I verify Alex C. Zemke, O.D.'s license?

NPPES lists Colorado license number OPT.0002973, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does Alex C. Zemke, O.D. prescribe under Medicare Part D?

In 2024, Alex C. Zemke, O.D. had 478 Medicare Part D claims for 151 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.