Ramona Therese Holtz, NP
Nurse Practitioner · Calexico, CA
Ramona Therese Holtz, NP is a nurse practitioner with a practice address in Calexico, California, and NPI 1659438000, issued on Jan 3, 2007. Check the license (California 437781, 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
- Ramona Therese Holtz
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 437781 CA
Self-reported in NPPES; status is on the state search - Practice location
- 223 W Cole RD, Calexico, CA 92231
- Phone
- (760) 357-2020
- Enumerated
- Jan 3, 2007
- Record last updated
- Dec 8, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 223 W Cole RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Albert Richardson, DDSDentist1437216678
Verify Ramona Therese Holtz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 437781Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ramona Therese Holtz among 8,223 nurse practitioner records in California
Ramona Therese Holtz, NP is one of 8,223 nurse practitioner records with a practice address in California. 65% 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 2007, is newer than 18% of them.
- NPI issued2007 · 18% of these records are older, 73% newer
- In a Medicare fileNo · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2011 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 nurse practitioner records list a practice address in Calexico
They are 6 of the 239 NPPES records with a practice address in Calexico, and 8,223 nurse practitioner records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8,223 in California → Every provider in Calexico → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Susan DeanCalexico, CA 922311093913881
- Mary Gutierrez, NPCalexico, CA 922311023191582
- Gabriel Hernandez, NPCalexico, CA 922311164043782
- Karely Lara Paz, FNPCalexico, CA 922311871377812
- Julio Ortiz, FNPCalexico, CA 922311831890995
- Marlyne Abon, NURSE PRACTITIONERCathedral City, CA 922341982003604
- Ashley DavisCathedral City, CA 922341144162504
- Amir Hodge, NPCathedral City, CA 922341316938814
Common questions
What is Ramona Therese Holtz, NP's NPI number?
Ramona Therese Holtz, NP's National Provider Identifier (NPI) is 1659438000, issued on Jan 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ramona Therese Holtz, NP located?
The NPPES record lists a practice address at 223 W Cole RD, Calexico, CA, 92231. Phone: (760) 357-2020. Providers update this record themselves, so call before visiting.
How can I verify Ramona Therese Holtz, NP's license?
NPPES lists California license number 437781, 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.