Martha Catalina Zimmer, NP

Primary specialty

Acute Care Nurse PractitionerTaxonomy code 363LA2100X

License

95018540 Issued in CA

Practice address

2545 W Hammer LN
Stockton, CA 95209-2839

Phone

(209) 941-0127

NPI assigned

Oct 21, 2021

Sex

Female

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Sutter Valley Medical FoundationGroup PAC ID 9830094515, 2,473 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Dameron Hospital Hospital, Stockton, CA, CCN 050122
• Adventist Health Lodi Memorial Hospital, Lodi, CA, CCN 050336
• Sutter Tracy Community Hospital Hospital, Tracy, CA, CCN 050313

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mzimmer609481@hisp.ehr.sutterhealth.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Sutter Valley Medical Foundation

  • Multi-Specialty Clinic/Center
  • Modesto, CA
  • NPI 1669846986
  Medicare reassignment Care Compare group NPD
• Pulmonary Medicine Associates Medical Group, Inc

  • Pulmonary Disease Physician
  • Sacramento, CA
  • NPI 1407880719
  Medicare reassignment NPD
• Pulmonary Medicine Associates Sleep Lab Inc.

  • Sleep Disorder Diagnostic Clinic/Center
  • Sacramento, CA
  • NPI 1255359378
  NPD
• Sutter Valley Medical Foundation

  • Multi-Specialty Clinic/Center
  • Fairfield, CA
  • NPI 1184859894
  NPD
• Sutter Valley Medical Foundation

  • Durable Medical Equipment & Medical Supplies
  • Tracy, CA
  • NPI 1720930712
  NPD
• Sutter North Medical Foundation

  • Ambulatory Surgical Clinic/Center
  • Yuba City, CA
  • NPI 1144251521
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Dameron Hospital Association

  • General Acute Care Hospital
  • Stockton, CA
  • NPI 1538163886
  Care Compare affiliation
• Dameron Hospital Association

  • Primary Care Clinic/Center
  • Stockton, CA
  • NPI 1699195115

  Hospital

  Care Compare affiliation
• Lodi Memorial Hospital Association Inc

  • General Acute Care Hospital
  • Lodi, CA
  • NPI 1316938301
  Care Compare affiliation
• Sutter Valley Hospitals

  • General Acute Care Hospital
  • Tracy, CA
  • NPI 1821442864
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1634774400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756944000000",
    "number": "1043973472",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2545 W HAMMER LN",
            "city": "STOCKTON",
            "state": "CA",
            "postal_code": "952092839",
            "telephone_number": "209-955-3036"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2545 W HAMMER LN",
            "city": "STOCKTON",
            "state": "CA",
            "postal_code": "952092839",
            "telephone_number": "209-941-0127"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZIMMER",
        "first_name": "MARTHA",
        "middle_name": "CATALINA",
        "credential": "NP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-10-21",
        "last_updated": "2025-09-04",
        "certification_date": "2025-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "CA",
            "license": "95018540",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Cynthia Zhu
• Genghui Zhu, M.D.
• Michael M. Zhu, MD
• Margarita Zhukova
• Cindy Kay Ziemer
• Kimberly Zin, DO
• Katelyn Elizabeth Zodikoff
• Roshan Zoha, DMD
• Dylan Zorea, PSYCH TECH
• Tai Rebel Zorea, MFTI

• Acute Care Nurse Practitioner in Stockton, CA
• Providers in Stockton, CA by specialty
• Acute Care Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.