NPPES file of Aug 9, 2026

James Mason Melzer, O.D.

Optometrist · Denver, CO

James Mason Melzer, O.D. is an optometrist with a practice address in Denver, Colorado, and NPI 1295774248, issued on Jun 5, 2006. Check the license (Colorado 2053, 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
1295774248
Name
James Mason Melzer
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
2053 CO
Self-reported in NPPES; status is on the state search
Practice location
1666 S University Blvd, Denver, CO 80210
Phone
(303) 320-1777
Enumerated
Jun 5, 2006
Record last updated
Dec 18, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(303) 733-9219
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest optometrist records → All 1,273 in Colorado → Look up another NPI →

Also registered at 1666 S University Blvd

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

  1. John Ammons, M.D.Ophthalmology Physician1386687390
  2. Amy Kelmenson, MDOphthalmology Physician1790996437
  3. Richard Kelmenson, MDOphthalmology Physician1609949973
  4. Robert Keyser, M.D.Ophthalmology Physician1881634301
  5. Stephanie Melzer, O.D.Optometrist1518219856

Verify James Mason Melzer 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 2053    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 Colorado license search

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43% fewer Medicare Part D claims than the average optometrist in 2024

159 Medicare Part D claims for 32 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. James Melzer159
  2. Specialty average277

Most prescribed

  1. Latanoprost83 claims
  2. Timolol Maleate24 claims
  3. Dorzolamide Hcl20 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 Mason Melzer among 1,273 optometrist records in Colorado

James Mason Melzer, O.D. is one of 1,273 optometrist records with a practice address in Colorado. 72% 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 11% of them.

  • NPI issued2006 · 11% of these records are older, 62% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2013 · 63% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in Colorado

There are 1,273 optometrist records in Colorado.

All 1,273 in Colorado → Every provider in Denver → Optometrist nationwide →

The 8 optometrist records with the nearest ZIP codes

  1. Richard Anderson, O.D.Denver, CO 802101821160102
  2. Stanley Cushing, ODDenver, CO 802101710985338
  3. Curt Greeley, O.D.Denver, CO 802101093067332
  4. Stanley Hanson, O.D.Denver, CO 802101417949181
  5. Lauren Kimmel, O.D.Denver, CO 802101003141045
  6. Rachel Knowlton, O.D.Denver, CO 802101548700354
  7. Tessa Lau, ODDenver, CO 802101912645805
  8. Jenna Manning, ODDenver, CO 802101326154766

Common questions

What is James Mason Melzer, O.D.'s NPI number?

James Mason Melzer, O.D.'s National Provider Identifier (NPI) is 1295774248, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James Mason Melzer, O.D. located?

The NPPES record lists a practice address at 1666 S University Blvd, Denver, CO, 80210. Phone: (303) 320-1777. Providers update this record themselves, so call before visiting.

How can I verify James Mason Melzer, O.D.'s license?

NPPES lists Colorado license number 2053, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does James Mason Melzer, O.D. prescribe under Medicare Part D?

In 2024, James Mason Melzer, O.D. had 159 Medicare Part D claims for 32 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.