Tammy Ann Winchell, A.R.N.P

Primary specialty

Pediatric Nurse PractitionerTaxonomy code 363LP0200X

License

AP30007401 Issued in WA

Practice address

750 Redwood Hwy Frontage Rd Ste 1204
Mill Valley, CA 94941-2483

Phone

(415) 384-4778

Fax

(415) 384-4779

NPI assigned

Sep 23, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other names 1

• Tammy Ann Herschler Former name

Medicare fee-for-service enrollment

Enrolled in OR, WA2 enrollments

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 2

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: twinchell26859@tvc-direct.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.

• Legacy Emanuel Hospital & Health Center

  • General Acute Care Hospital
  • Portland, OR
  • NPI 1831112358
  Medicare reassignment NPD
• Northwest Acute Care Specialists PC

  • Emergency Medicine Physician
  • Portland, OR
  • NPI 1215983200

  WA

  Medicare reassignment NPD
• The Vancouver Clinic Inc PS

  • Internal Medicine Physician
  • Vancouver, WA
  • NPI 1992759427
  Medicare reassignment NPD
• Legacy Emanuel Hospital & Health Center

  • Community/Retail Pharmacy
  • Portland, OR
  • NPI 1417977976
  NPD
• Legacy Emanuel Hospital & Health Center

  • Clinic/Center
  • Portland, OR
  • NPI 1700809027
  NPD
• Northwest Acute Care Specialists PC

  • Emergency Medicine Physician
  • Vancouver, WA
  • NPI 1487811048
  NPD
• The Vancouver Clinic Inc PS

  • Ambulatory Surgical Clinic/Center
  • Vancouver, WA
  • NPI 1306556907
  NPD
• The Vancouver Clinic Inc PS

  • Eyewear Supplier
  • Ridgefield, WA
  • NPI 1760004477
  NPD
• The Vancouver Clinic Pharmacy

  • Pharmacist
  • Vancouver, WA
  • NPI 1336365857
  NPD (past)

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

{
    "created_epoch": "1158969600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749168000000",
    "number": "1679673347",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "700 NE 87TH AVE STE 110",
            "city": "VANCOUVER",
            "state": "WA",
            "postal_code": "986644896"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "750 REDWOOD HWY FRONTAGE RD STE 1204",
            "city": "MILL VALLEY",
            "state": "CA",
            "postal_code": "949412483",
            "telephone_number": "415-384-4778",
            "fax_number": "415-384-4779"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1201 W La Veta Ave",
            "address_purpose": "LOCATION",
            "city": "Orange",
            "state": "CA",
            "postal_code": "928684203",
            "country_code": "US",
            "telephone_number": "714-509-7601",
            "fax_number": "714-509-7650",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1201 W La Veta Ave",
            "address_purpose": "LOCATION",
            "city": "Orange",
            "state": "CA",
            "postal_code": "928684203",
            "country_code": "US",
            "telephone_number": "714-509-7601",
            "fax_number": "714-509-7650",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WINCHELL",
        "first_name": "TAMMY",
        "middle_name": "ANN",
        "credential": "A.R.N.P",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-09-23",
        "last_updated": "2025-06-06",
        "certification_date": "2025-06-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "CA",
            "license": "NP95000700",
            "primary": false
        },
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "OR",
            "license": "201150050NP",
            "primary": false
        },
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "WA",
            "license": "AP30007401",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "TAMMY",
            "last_name": "HERSCHLER",
            "middle_name": "ANN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Leslie Whitaker, MA CCC-SLP
• Jade R Wienbar, ND
• Matthew Craig Williams, MD
• Sofia Williams
• Heidi Wiltsee
• Kristin A Wingfield Williams, M.D.
• Jessica Marian Wirth, PA-C
• Linda Woodard, MD
• Chelsey Worth, CD-L, PIC
• Anne C Wrigley

• Pediatric Nurse Practitioner in Mill Valley, CA
• Providers in Mill Valley, CA by specialty
• Pediatric Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 6, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.