Martha Catalina Zimmer, NP
Acute Care Nurse Practitioner · Stockton, CA
Martha Catalina Zimmer, NP is an acute care nurse practitioner with a practice address in Stockton, California, and NPI 1043973472, issued on Oct 21, 2021. Check the license (California 95018540, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Martha Catalina Zimmer
- Credential
- NP
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- 95018540 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2545 W Hammer LN, Stockton, CA 95209
- Phone
- (209) 941-0127
- Enumerated
- Oct 21, 2021
- Record last updated
- Sep 4, 2025
- Medicare enrollment
- Enrolled (PECOS I20211213000289); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 1,810 in California → Look up another NPI →
Also registered at 2545 W Hammer LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Martha Catalina Zimmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95018540Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
17 Medicare Part D claims, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Sutter Valley Medical FoundationTracy, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Martha Catalina Zimmer among 1,810 acute care nurse practitioner records in California
Martha Catalina Zimmer, NP is one of 1,810 acute care nurse practitioner records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 61% of them.
- NPI issued2021 · 61% of these records are older, 32% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2021 · median 2018 among the 993 with a school on file
- Record last updated2025 · 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 363LA2100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in California
There are 1,810 acute care nurse practitioner records in California.
All 1,810 in California → Every provider in Stockton → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Dolly Luong, NPStockton, CA 952091992082903
- Rex Ambatali Jr., AGACNP-BC, FNP-CStockton, CA 952041013308485
- Jia WuFrench Camp, CA 952311093145898
- Dinah ElmesewdyLodi, CA 952401780915678
- Ramina Ishaya, NPSan Jose, CA 951311033560743
- Thu Lan Pham, NPSan Jose, CA 951281013192228
- Jo Ann Scott, NPSan Jose, CA 951281689064479
- Maria Theresa Tinitigan, APRN, AGACNP-BCSan Jose, CA 951281932861259
Common questions
What is Martha Catalina Zimmer, NP's NPI number?
Martha Catalina Zimmer, NP's National Provider Identifier (NPI) is 1043973472, issued on Oct 21, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Martha Catalina Zimmer, NP located?
The NPPES record lists a practice address at 2545 W Hammer LN, Stockton, CA, 95209. Phone: (209) 941-0127. Providers update this record themselves, so call before visiting.
How can I verify Martha Catalina Zimmer, NP's license?
NPPES lists California license number 95018540, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Martha Catalina Zimmer, NP prescribe under Medicare Part D?
In 2024, Martha Catalina Zimmer, NP had 17 Medicare Part D claims; the average among acute care nurse practitioner prescribers was 594. 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.