Maria Diaz, RNC, NP
Women's Health Nurse Practitioner · Santa Monica, CA
Maria Diaz, RNC, NP is a women's health nurse practitioner with a practice address in Santa Monica, California, and NPI 1205256237, issued on Apr 17, 2014. Check the license (California C282760, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maria Diaz
- Credential
- RNC, NP
- Primary taxonomy
- Women's Health Nurse Practitioner 363LW0102X
- License number
- C282760 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2121 Wilshire Blvd, Santa Monica, CA 90403
- Phone
- (310) 264-1777
- Enumerated
- Apr 17, 2014
- Record last updated
- Apr 17, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest women's health nurse practitioner records → All 912 in California → Look up another NPI →
Also registered at 2121 Wilshire Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Karen Blanchard, M.D.Obstetrics & Gynecology Physician1700925401
- Gary Briskin, DPMPodiatrist1205943818
- Ryan CarterPodiatrist1003259664
Verify Maria Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license C282760Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average women's health nurse practitioner in 2024
445 Medicare Part D claims for 109 beneficiaries, against an average of 217 among the 3,809 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Estradiol96 claims
- Progesterone51 claims
- Estradiol (Twice Weekly)41 claims
- Yuvafem28 claims
- Imvexxy23 claims
- Fluconazole22 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: $133.13
6 payments; by number, the most common kind was food and beverage; the largest payer was Mayne Pharma Commercial LLC. The 3,574 providers of this specialty with any payment received $426.02 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.
Maria Diaz among 912 women's health nurse practitioner records in California
Maria Diaz, RNC, NP is one of 912 women's health nurse practitioner records with a practice address in California. 46% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 61% of them.
- NPI issued2014 · 61% of these records are older, 35% newer
- In a Medicare fileYes · 46% of these records are
- In the CMS Doctors and Clinicians fileNo · 18% of these records are
- Record last updated2014 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LW0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Women's Health Nurse Practitioner providers in California
There are 912 women's health nurse practitioner records in California.
All 912 in California → Every provider in Santa Monica → Women's Health Nurse Practitioner nationwide →
The 8 women's health nurse practitioner records with the nearest ZIP codes
- Lisa Greenacre, WHNPSanta Monica, CA 904011376781013
- Brittany Masters, MSN, NPSanta Monica, CA 904011043639784
- Genevieve Wong, WHNP-BCSanta Monica, CA 904011013388842
- Eileen Cabus, RNPTorrance, CA 905021235320987
- Vicky Carter, RNPTorrance, CA 905021548333503
- Arlene Chodkowski, RNPTorrance, CA 905021225221229
- Diane Coy, R.N.P.Torrance, CA 905021831382720
- Donna Espinosa, RNC, NPTorrance, CA 905021841408622
Common questions
What is Maria Diaz, RNC, NP's NPI number?
Maria Diaz, RNC, NP's National Provider Identifier (NPI) is 1205256237, issued on Apr 17, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Maria Diaz, RNC, NP located?
The NPPES record lists a practice address at 2121 Wilshire Blvd, Santa Monica, CA, 90403. Phone: (310) 264-1777. Providers update this record themselves, so call before visiting.
How can I verify Maria Diaz, RNC, NP's license?
NPPES lists California license number C282760, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Maria Diaz, RNC, NP prescribe under Medicare Part D?
In 2024, Maria Diaz, RNC, NP had 445 Medicare Part D claims for 109 beneficiaries; the average among women's health nurse practitioner prescribers was 217. 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.