NPPES file of Aug 9, 2026

Wanda I. Diaz, M.D.

Emergency Medicine Physician · Lawton, OK

Wanda I. Diaz, M.D. is an emergency medicine physician with a practice address in Lawton, Oklahoma, and NPI 1801090329, issued on Jun 11, 2007. Check the license (Oklahoma 27633, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; 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
1801090329
Name
Wanda I. Diaz
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
27633 OK
038217 GA
Self-reported in NPPES; status is on the state search
Practice location
1902 E Gore Blvd, Lawton, OK 73501
Phone
(580) 357-4200
Enumerated
Jun 11, 2007
Record last updated
Oct 1, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20110131000298); accepts Medicare assignment
Medical or professional school
University Of Puerto Rico School Of Medicine, 1991
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 1902 E Gore Blvd

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

  1. Jessica Ebner, NP-CFamily Nurse Practitioner1497389738

Verify Wanda I. Diaz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
    Search for license 27633
    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
Open the Oklahoma license search

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3% more Medicare Part D claims than the average emergency medicine physician in 2024

232 Medicare Part D claims for 146 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Wanda Diaz232
  2. Specialty average226

Most prescribed

  1. Prednisone48 claims
  2. Doxycycline Hyclate26 claims
  3. Etodolac15 claims
  4. Cephalexin14 claims
  5. Nitrofurantoin14 claims
  6. Azithromycin12 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.

Bills Medicare through one group practice

  1. Xgto Urgent Medical OF Lawton, LLCLawton, OK

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

Wanda I. Diaz among 748 emergency medicine physician records in Oklahoma

Wanda I. Diaz, M.D. is one of 748 emergency medicine physician records with a practice address in Oklahoma. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 30% of them.

  • NPI issued2007 · 30% of these records are older, 64% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1991 · median 2016 among the 438 with a school on file
  • Record last updated2012 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

47 emergency medicine physician records list a practice address in Lawton

They are 47 of the 2,582 NPPES records with a practice address in Lawton, and 748 emergency medicine physician records in Oklahoma.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Joy Crandall, D.O.Fort Sill, OK 735031396883914
  2. Norman Messenger, M.D.Fort Sill, OK 735031336469634
  3. Aaron Proffitt, M.D.Fort Sill, OK 735031316195308
  4. Manuel Delarosa, MDLawton, OK 735051104833201
  5. Daniel DortonLawton, OK 735051013323815
  6. Ryan Ford, D.O.Lawton, OK 735051144635392
  7. Jeffrey Golightly, M.D.Lawton, OK 735051568406767
  8. Ashraf Mihanni, MDLawton, OK 735051386630770

Common questions

What is Wanda I. Diaz, M.D.'s NPI number?

Wanda I. Diaz, M.D.'s National Provider Identifier (NPI) is 1801090329, issued on Jun 11, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Wanda I. Diaz, M.D. located?

The NPPES record lists a practice address at 1902 E Gore Blvd, Lawton, OK, 73501. Phone: (580) 357-4200. Providers update this record themselves, so call before visiting.

How can I verify Wanda I. Diaz, M.D.'s license?

NPPES lists Oklahoma license number 27633, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Wanda I. Diaz, M.D. prescribe under Medicare Part D?

In 2024, Wanda I. Diaz, M.D. had 232 Medicare Part D claims for 146 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.