NPPES file of Aug 9, 2026

Gregg Duistermars, O.D.

Optometrist · Granbury, TX

Gregg Duistermars, O.D. is an optometrist with a practice address in Granbury, Texas, and NPI 1376696427, issued on Jan 20, 2007. Check the license (Texas 7368TG, as entered in NPPES) with the Texas board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1376696427
Name
Gregg Duistermars
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
7368TG TX
Self-reported in NPPES; status is on the state search
Practice location
1201 Medical Plaza CT, Granbury, TX 76048
Phone
(817) 279-9044
Enumerated
Jan 20, 2007
Record last updated
Aug 20, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(817) 573-6234
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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Also registered at 1201 Medical Plaza CT

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

  1. Nancy CoxOptometrist1376064998
  2. Nicole Mueller, D.O.Ophthalmology Physician1992703789
  3. Shannon Mueller, D.P.M.Foot & Ankle Surgery Podiatrist1528066255

Verify Gregg Duistermars in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 7368TG
    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 Texas license search

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14 optometrist records list a practice address in Granbury

They are 14 of the 571 NPPES records with a practice address in Granbury, and 5,006 optometrist records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other optometrist records in Texas

  1. Matthew Aaker, O.D.Universal City, TX1518394410
  2. Brad Aaron, O.D.New Boston, TX1073588810
  3. Michelle Aaron, O.D.San Antonio, TX1306916291
  4. Gary Abbott, ODRandolph Afb, TX1194880385
  5. Fortuna Abebe, ODHouston, TX1073185278
  6. Larry Abernathy, O. D.Abilene, TX1861539363
  7. Rayan Abilmouna, O.D.Houston, TX1275971145
  8. Omar Aborahma, ODCarrollton, TX1376479311
  9. Aby Abraham, O.D.Quinlan, TX1770776338
  10. Erin Abraham, ODDallas, TX1598440505

Common questions

What is Gregg Duistermars, O.D.'s NPI number?

Gregg Duistermars, O.D.'s National Provider Identifier (NPI) is 1376696427, issued on Jan 20, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gregg Duistermars, O.D. located?

The NPPES record lists a practice address at 1201 Medical Plaza CT, Granbury, TX, 76048. Phone: (817) 279-9044. Providers update this record themselves, so call before visiting.

How can I verify Gregg Duistermars, O.D.'s license?

NPPES lists Texas license number 7368TG, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity 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. 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.