Ronald Joseph Marek, RN
Registered Nurse · Monterey, CA
Ronald Joseph Marek, RN is a registered nurse with a practice address in Monterey, California, and NPI 1255126405, issued on Apr 10, 2025. Check the license (California 95129563, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ronald Joseph Marek
- Credential
- RN
- Primary taxonomy
- Registered Nurse 163W00000X
- License number
- 95129563 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1072 Hellam St, Monterey, CA 93940
- Phone
- (773) 431-3141
- Enumerated
- Apr 10, 2025
- Record last updated
- Apr 10, 2025
- Entity
- Type 1 · individual
8 nearest registered nurse records → All 13,506 in California → Look up another NPI →
Verify Ronald Joseph Marek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95129563Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ronald Joseph Marek among 13,506 registered nurse records in California
Ronald Joseph Marek, RN is one of 13,506 registered nurse records with a practice address in California. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2025, is newer than 80% of them.
- NPI issued2025 · 80% of these records are older, 10% newer
- In a Medicare fileNo · 3% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Registered Nurse providers in California
There are 13,506 registered nurse records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 13,506 in California → Every provider in Monterey → Registered Nurse nationwide →
The 8 registered nurse records with the nearest ZIP codes
- Kimberly Bonilla Morales, MSN,RNMonterey, CA 939401811880917
- Carlos Costa, RNMonterey, CA 939401467750273
- April Diaz, BSN, RNMonterey, CA 939401821775248
- Adriene Dickerson, RNMonterey, CA 939401871175521
- Angela EstradaMonterey, CA 939401528936564
- Jessica Glenn, RNMonterey, CA 939401447070818
- Sheila HolmesMonterey, CA 939401285863514
- Priscilla Medrano, MHSMonterey, CA 939401720615651
Common questions
What is Ronald Joseph Marek, RN's NPI number?
Ronald Joseph Marek, RN's National Provider Identifier (NPI) is 1255126405, issued on Apr 10, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Joseph Marek, RN located?
The NPPES record lists a practice address at 1072 Hellam St, Monterey, CA, 93940. Phone: (773) 431-3141. Providers update this record themselves, so call before visiting.
How can I verify Ronald Joseph Marek, RN's license?
NPPES lists California license number 95129563, as entered by the provider. Search the California 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. 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.