Individual provider Active NPI

Estela Diesfeld, MD

  • Anesthesiology Physician
  • Ventura, CA
National Provider Identifier
1376652909
Registry record updated Aug 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
G50644 Issued in CA
Practice address
1752 S Victoria Ave
Suite B
Ventura, CA 93003
Phone
(805) 644-4930
Fax
(805) 644-4960
NPI assigned
Aug 29, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 28, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Interventional Pain Medicine Physician 208VP0014X G50644 CA
Anesthesiology Physician 207L00000X G50644 CA Primary

Addresses

Primary practice location

1752 S Victoria Ave
Suite B
Ventura, CA 93003

Mailing address

1752 S Victoria Ave Ste B
Ventura, CA 93003-6194
Phone (805) 644-4930

Other identifiers 1

IdentifierTypeStateIssuer
00G506441OtherCABLUE SHIELD

Medicare participation

Medicare enrollment files
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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040205001338 CA Practitioner - Pain ManagementPractitioner - Anesthesiology 4981597515 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pain ManagementAlso: Anesthesiology
Education
University of California, Irvine, California College of Medicine, 1982
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Palm Springs Anesthesia Services PCGroup PAC ID 6406049592, 90 clinicians

Practice addresses (Care Compare)

1600 N Rose Ave
Oxnard, CA 93030-3722
Phone (805) 988-2500

2309 Antonio Ave
Camarillo, CA 93010-1414
Phone (805) 389-5800

Hospital & facility affiliations

  • St Johns Regional Medical Center Hospital, Oxnard, CA, CCN 050082

Merit-based Incentive Payment System (MIPS)

Final score
84.5 of 100Reported as group
Quality
70
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
G50644CAMDInterventional Pain Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Ventura Anesthesia Medical Group Anesthesiology CurrentSince Dec 1, 2018 Accepting new patients
Palm Springs Anesthesia Services, PC Anesthesiology CurrentSince Feb 12, 2020 Accepting new patients

Locations

2309 Antonio Ave
Camarillo, CA 93010
Phone (805) 389-5655

1050 Linden Ave
Long Beach, CA 90813
Phone (562) 491-9000

3116 W March Ln
Ste 200
Stockton, CA 95219
Phone (510) 537-1234

147 N Brent St
Ventura, CA 93003
Phone (805) 652-5011

Organizations & group practices 2

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1156809600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787875200000",
    "number": "1376652909",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1752 S VICTORIA AVE STE B",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930036194",
            "telephone_number": "805-644-4930",
            "fax_number": "805-644-4960"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1752 S VICTORIA AVE",
            "address_2": "SUITE B",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "93003",
            "telephone_number": "805-644-4930",
            "fax_number": "805-644-4960"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIESFELD",
        "first_name": "ESTELA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-08-29",
        "last_updated": "2026-08-28",
        "certification_date": "2026-08-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208VP0014X",
            "taxonomy_group": "",
            "desc": "Pain Medicine, Interventional Pain Medicine",
            "state": "CA",
            "license": "G50644",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "G50644",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE SHIELD",
            "identifier": "00G506441",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Ventura, CA

Sources for this page

Verify at the official NPI Registry.