NPPES file of Aug 9, 2026

Diana L. Oquinn, DDS

Dentist · Plano, TX

Diana L. Oquinn, DDS is a dentist with a practice address in Plano, Texas, and NPI 1205070372, issued on Apr 20, 2009. Check the license (Texas 17184, as entered in NPPES) with the Texas 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
1205070372
Name
Diana L. Oquinn
Credential
DDS
Primary taxonomy
Dentist 122300000X
License numbers
17184 TX
DN 10035 FL
Self-reported in NPPES; status is on the state search
Practice location
4909 W Park Blvd, Plano, TX 75093
Phone
(972) 519-1990
Enumerated
Apr 20, 2009
Record last updated
Apr 20, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(972) 964-0047
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 4909 W Park Blvd

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

  1. Peter Chao, O.D.Optometrist1972643625
  2. Wendy Ho, O.D.Optometrist1225056211

Verify Diana L. Oquinn 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 17184
    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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56% fewer Medicare Part D claims than the average dentist in 2024

38 Medicare Part D claims for 32 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Diana Oquinn38
  2. Specialty average86

Most prescribed

  1. Amoxicillin23 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: $19.49

2 payments; by number, the most common kind was food and beverage; the largest payer was Solventum Corporation. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Diana Oquinn$19.49
  2. Specialty average$540.36

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Diana L. Oquinn among 6,572 dentist records in Texas

Diana L. Oquinn, DDS is one of 6,572 dentist records with a practice address in Texas. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 35% of them.

  • NPI issued2009 · 35% of these records are older, 62% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2009 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

112 dentist records list a practice address in Plano

They are 112 of the 7,271 NPPES records with a practice address in Plano, and 6,572 dentist records in Texas.

The 8 dentist records with the nearest ZIP codes

  1. Terry Carano, D.D.S, P.APlano, TX 750931841417912
  2. Herman Dumbrigue, D.D.M.Plano, TX 750931982790093
  3. David Grattafiori, D.D.SPlano, TX 750931528192499
  4. Joseph Jung, D.D.S.Plano, TX 750931144319419
  5. Wayne Ku, DDSPlano, TX 750931871656439
  6. Nelson Lo, D.D.S.Plano, TX 750931134381171
  7. Gregory Lutke, DDSPlano, TX 750931841462785
  8. Denise McGrade, D.D.S.Plano, TX 750931952325912

Common questions

What is Diana L. Oquinn, DDS's NPI number?

Diana L. Oquinn, DDS's National Provider Identifier (NPI) is 1205070372, issued on Apr 20, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Diana L. Oquinn, DDS located?

The NPPES record lists a practice address at 4909 W Park Blvd, Plano, TX, 75093. Phone: (972) 519-1990. Providers update this record themselves, so call before visiting.

How can I verify Diana L. Oquinn, DDS's license?

NPPES lists Texas license number 17184, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Diana L. Oquinn, DDS prescribe under Medicare Part D?

In 2024, Diana L. Oquinn, DDS had 38 Medicare Part D claims for 32 beneficiaries; the average among dentist prescribers was 86. 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.