Carolyn Alice Diaz, FNP
Family Nurse Practitioner · Porterville, CA
Carolyn Alice Diaz, FNP is a family nurse practitioner with a practice address in Porterville, California, and NPI 1366495368, issued on May 19, 2006. Check the license (California 470229, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carolyn Alice Diaz
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 470229 CA
Self-reported in NPPES; status is on the state search - Practice location
- 222 W Henderson Ave, Porterville, CA 93257
- Phone
- (559) 784-5483
- Enumerated
- May 19, 2006
- Record last updated
- Jan 6, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 222 W Henderson Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Baro, PA-CPhysician Assistant1619305265
- Erick Madrigal, M.D.Family Medicine Physician1437478856
- Michele Millan-Patterson, AGNP-BCNurse Practitioner1265038830
- Jerry Neria, MD, MPHFamily Medicine Physician1790179372
- Marilyn Perez, PA-CPhysician Assistant1427334424
- Christie Silva, FNP-CFamily Nurse Practitioner1790278232
Verify Carolyn Alice 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 470229Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% more Medicare Part D claims than the average family nurse practitioner in 2024
2,328 Medicare Part D claims for 227 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 41 claims were for opioids.
Most prescribed
- Atorvastatin Calcium151 claims
- Lisinopril115 claims
- Levothyroxine Sodium106 claims
- Omeprazole99 claims
- Albuterol Sulfate Hfa94 claims
- Fluticasone Propionate72 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: $247.04
12 payments; by number, the most common kind was food and beverage; the largest payer was Baxter Healthcare. 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.
Carolyn Alice Diaz among 16,966 family nurse practitioner records in California
Carolyn Alice Diaz, FNP is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 93% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2020 · 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
40 family nurse practitioner records list a practice address in Porterville
They are 40 of the 795 NPPES records with a practice address in Porterville, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Porterville → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Lareina Adams, DNPPorterville, CA 932571366863888
- Maria Bonilla, FNPPorterville, CA 932571699098327
- Ana BorbaPorterville, CA 932571649673559
- Lisa Brown, FNP, CPorterville, CA 932571396070629
- Christine Cormack, FNPPorterville, CA 932571477611309
- Marylou Dickey, FNPPorterville, CA 932571992758866
- Guadalupe Lemus, FNP-CPorterville, CA 932571962803692
- Areli Martinez, FNPPorterville, CA 932571124427232
Common questions
What is Carolyn Alice Diaz, FNP's NPI number?
Carolyn Alice Diaz, FNP's National Provider Identifier (NPI) is 1366495368, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carolyn Alice Diaz, FNP located?
The NPPES record lists a practice address at 222 W Henderson Ave, Porterville, CA, 93257. Phone: (559) 784-5483. Providers update this record themselves, so call before visiting.
How can I verify Carolyn Alice Diaz, FNP's license?
NPPES lists California license number 470229, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Carolyn Alice Diaz, FNP prescribe under Medicare Part D?
In 2024, Carolyn Alice Diaz, FNP had 2,328 Medicare Part D claims for 227 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.