DIANE ELIZABETH ESTANISLAO CRNA
NPI 1043847171
Nurse Anesthetist, Certified Registered in Los Angeles, CA

Active since March 26, 2020Accepts Medicare Assignment
1500 SAN PABLO ST, LOS ANGELES, CA 90033(323) 442-7400 Get Directions Write a Review

NPPES record last updated: April 12, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 12, 2023, Sep 6, 2020, Jul 24, 2020 and 2 more (5 updates tracked since 2020).

About Diane Elizabeth Estanislao Crna NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DIANE ELIZABETH ESTANISLAO CRNA (NPI 1043847171) is an individual nurse anesthetist, certified registered in Los Angeles, California, licensed in California (NA95001364) and active in the NPI registry since March 2020. She maintains a secondary practice location in Duarte and is a graduate of Other (2020).

NPPES Registry Identity

NPI1043847171
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameDIANE ELIZABETH ESTANISLAOCredential: CRNA
Location Address1500 SAN PABLO STLos Angeles, CA 90033-5313
Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (323) 442-7400
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateMarch 26, 2020
Last NPPES UpdateApril 12, 20235 updates tracked since enumeration
NPPES CertifiedApril 12, 2023
✔ NPI 1043847171 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in CA · NA95001364
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
1500 SAN PABLO ST, Los Angeles, CA 90033

Other Names 1

Former Name (1)Diane Elizabeth Inocencio Rn

Secondary Practice Location 1

Location 11500 Duarte RdDuarte, CA 91010-3012 · Phone (626) 256-4673

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Diane Elizabeth Estanislao Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1850689282
PECOS Enrollment IDI20200713001663

Medicare Billing Reassignments

3

Medicare enrollment records show Diane Estanislao reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Practice
1520 SAN PABLO ST
Los Angeles, CA 90033
  • Reassigned Medicare billing, California enrollment
  • 2,445 clinicians in this Medicare group
Hematology & Oncology
1500 DUARTE RD
Duarte, CA 91010
  • Reassigned Medicare billing, California enrollment
  • 1,335 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
1403 N TUSTIN AVE STE 100
Santa Ana, CA 92705
  • Reassigned Medicare billing, California enrollment
  • 40 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for other procedure on upper abdomen 00790
Anesthesia for an upper abdomen procedure involves using medications to help you feel no pain during the operation. It can be general, where you're unconscious, or regional, where just the abdomen area is numbed. It ensures comfort and stillness, aiding a successful procedure.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90033 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Anesthetist, Certified Registered
1500 SAN PABLO ST
LOS ANGELES, CA 90033
Internal Medicine
1500 SAN PABLO ST, 3 NORTH UNIVERSITY HOSPITAL
LOS ANGELES, CA 90033
Anesthesiology
1500 SAN PABLO ST
LOS ANGELES, CA 90033
Occupational Therapist
1500 SAN PABLO ST
LOS ANGELES, CA 90033
Anesthesiology
1500 SAN PABLO ST
LOS ANGELES, CA 90033
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
1500 SAN PABLO ST
LOS ANGELES, CA 90033
Anesthesiology
1500 SAN PABLO ST
LOS ANGELES, CA 90033
Student in an Organized Health Care Education/Training Program
1500 SAN PABLO ST
LOS ANGELES, CA 90033

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Diane Estanislao's NPI number?

The NPI number for Diane Estanislao is 1043847171. It was assigned to this individual provider in the NPPES registry on March 26, 2020. The provider is also known as Diane Elizabeth Inocencio Rn.

Where is Diane Estanislao located?

Diane Estanislao practices at 1500 San Pablo St, Los Angeles, CA 90033. The listed phone number is (323) 442-7400.

What is Diane Estanislao's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Diane Estanislao enrolled in Medicare?

Yes. Diane Estanislao is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Diane Estanislao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diane Estanislao reassigns Medicare benefits to 3 organizations: Usc Care Medical Group, Inc (Los Angeles, CA), City Of Hope Medical Foundation (Duarte, CA) and San Gabriel Anesthesia Associates, PC (Santa Ana, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Diane Estanislao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Diane Estanislao was last updated on April 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.