Mary Ellen Diaz, F.N.P.
Family Nurse Practitioner · Dallas, TX
Mary Ellen Diaz, F.N.P. is a family nurse practitioner with a practice address in Dallas, Texas, and NPI 1205088754, issued on Oct 15, 2008. Check the license (Texas AP107811, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Ellen Diaz
- Credential
- F.N.P.
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- AP107811 TX
636355 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3141 Irving Blvd Ste 220, Dallas, TX 75247
- Phone
- (214) 630-1144
- Enumerated
- Oct 15, 2008
- Record last updated
- Nov 22, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (214) 637-3820
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 21,242 in Texas → Look up another NPI →
Verify Mary Ellen Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license AP107811Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $30.27
1 payment: food and beverage; the largest payer was Abbvie Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mary Ellen Diaz among 21,242 family nurse practitioner records in Texas
Mary Ellen Diaz, F.N.P. is one of 21,242 family nurse practitioner records with a practice address in Texas. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 9% of them.
- NPI issued2008 · 9% of these records are older, 89% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2016 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,191 family nurse practitioner records list a practice address in Dallas
They are 1,191 of the 36,304 NPPES records with a practice address in Dallas, and 21,242 family nurse practitioner records in Texas.
All 21,242 in Texas → Every provider in Dallas → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Ronald Blaha, D.C., RMT, RNDallas, TX 752471659399749
- John Caldwell, M.S., NP-CDallas, TX 752471245597814
- Patricia Garza, FNPDallas, TX 752471801139894
- Evelyn George, FNPDallas, TX 752471184018707
- Diana Godinez, NPDallas, TX 752471316295249
- Phoebe Griffin, APRNDallas, TX 752471003325465
- Marcia Harris, APNDallas, TX 752471104078674
- Fantasia Harris, FNPDallas, TX 752471467891341
Common questions
What is Mary Ellen Diaz, F.N.P.'s NPI number?
Mary Ellen Diaz, F.N.P.'s National Provider Identifier (NPI) is 1205088754, issued on Oct 15, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ellen Diaz, F.N.P. located?
The NPPES record lists a practice address at 3141 Irving Blvd Ste 220, Dallas, TX, 75247. Phone: (214) 630-1144. Providers update this record themselves, so call before visiting.
How can I verify Mary Ellen Diaz, F.N.P.'s license?
NPPES lists Texas license number AP107811, 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. 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.