Marcia L. Diaz, ARNP
Family Nurse Practitioner · Vinita, OK
Marcia L. Diaz, ARNP is a family nurse practitioner with a practice address in Vinita, Oklahoma, and NPI 1558347328, issued on Dec 22, 2005. Check the license (Oklahoma R0074291, as entered in NPPES) with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marcia L. Diaz
- Credential
- ARNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- R0074291 OK
Self-reported in NPPES; status is on the state search - Practice location
- 715 N Foreman St, Vinita, OK 74301
- Phone
- (918) 256-8731
- Enumerated
- Dec 22, 2005
- Record last updated
- Jul 24, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (918) 256-5123
- Medicare enrollment
- Enrolled (PECOS I20100316000384); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,711 in Oklahoma → Look up another NPI →
Also registered at 715 N Foreman St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Martin Cooper, M.D.Family Medicine Physician1275519381
- Keari Girvin, ARNPFamily Nurse Practitioner1992973192
- Michael HitsmanFamily Medicine Physician1306387907
- Terry Horton, M.D.Family Medicine Physician1871570986
- Dustin Little, D.O.Family Medicine Physician1548675036
- Krista LongFamily Nurse Practitioner1972030682
Verify Marcia L. Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
Search for license R0074291Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.8 times the Medicare Part D claims of the average family nurse practitioner in 2024
6,231 Medicare Part D claims for 352 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 20 claims were for opioids.
Most prescribed
- Atorvastatin Calcium241 claims
- Lisinopril224 claims
- Levothyroxine Sodium218 claims
- Omeprazole215 claims
- Hydrochlorothiazide180 claims
- Gabapentin173 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: $130.55
7 payments; by number, the most common kind was 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.
Bills Medicare through one group practice
- Warren Clinic IncVinita, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marcia L. Diaz among 2,711 family nurse practitioner records in Oklahoma
Marcia L. Diaz, ARNP is one of 2,711 family nurse practitioner records with a practice address in Oklahoma. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2000 · median 2018 among the 1,783 with a school on file
- Record last updated2008 · 42% 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 Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 family nurse practitioner records list a practice address in Vinita
They are 11 of the 490 NPPES records with a practice address in Vinita, and 2,711 family nurse practitioner records in Oklahoma.
All 2,711 in Oklahoma → Every provider in Vinita → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Shelly Boston, APRN-CNPVinita, OK 743011932487022
- Jodee Carrier, APRN, FNP-CVinita, OK 743011013391689
- Casey Carriger, APRN, NP-CVinita, OK 743011154956142
- Keari Girvin, ARNPVinita, OK 743011992973192
- Kathryn Holloway, CNPVinita, OK 743011508262957
- Kristy Lewis, NPVinita, OK 743011184084097
- Krista LongVinita, OK 743011972030682
- Rhonda Orr, APRNVinita, OK 743011548859812
Common questions
What is Marcia L. Diaz, ARNP's NPI number?
Marcia L. Diaz, ARNP's National Provider Identifier (NPI) is 1558347328, issued on Dec 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Marcia L. Diaz, ARNP located?
The NPPES record lists a practice address at 715 N Foreman St, Vinita, OK, 74301. Phone: (918) 256-8731. Providers update this record themselves, so call before visiting.
How can I verify Marcia L. Diaz, ARNP's license?
NPPES lists Oklahoma license number R0074291, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.
How much does Marcia L. Diaz, ARNP prescribe under Medicare Part D?
In 2024, Marcia L. Diaz, ARNP had 6,231 Medicare Part D claims for 352 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.