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Optometry

Nelson Greeman 3rd, OD

Sees patients in San Antonio, TX · Texas

Summary

Nelson Greeman 3rd, OD (Optometry) is enrolled with Medicare at 1 practice location in San Antonio, TX. NPI 1386606861. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Nelson Greeman 3rd, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OptometryPrimary specialty
YesAccepts Medicare assignment
52Years since medical school (graduated 1974)
University Of Houston - College Of OptometryMedical school
MaleGender (as listed)
Greeman and GreemanGroup practice

Quick answers

Where does Nelson Greeman 3rd see patients?
Medicare's clinician data lists 1 practice location in San Antonio, TX. Call before your visit to confirm the address.
What is Nelson Greeman 3rd's specialty?
Medicare lists Optometry as the primary specialty.
Does Nelson Greeman 3rd accept Medicare assignment?
Yes. Medicare's clinician data says Nelson Greeman 3rd accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Nelson Greeman 3rd?
(210) 824-4503, as listed in official Medicare / NPI Registry data.
What is Nelson Greeman 3rd's NPI number?
1386606861. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Nelson Greeman 3rd is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Nelson Greeman 3rd as a member of this group (CMS data updated 2026-10-02).

  • Greeman and Greeman2 clinicians in the group

Specialties

Find other clinicians: Optometry, Texas →

Other optometrists in San Antonio

Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.

All optometrists in San Antonio →

Clinician information

CredentialOD
Medical schoolUniversity Of Houston - College Of Optometry
Graduation year1974
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1386606861
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians