ALEX HERMOSILLO DO
NPI 1821526625
Anesthesiology in Anchorage, AK

Active since May 24, 2017PECOS EnrolledAccepts Medicare Assignment
5955 ZEAMER AVE, ANCHORAGE, AK 99506(907) 580-1842 Get Directions Write a Review

NPPES record last updated: January 31, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 31, 2023, Sep 13, 2021, May 24, 2017 (3 updates tracked since 2017).

About Alex Hermosillo Do NPPES

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

ALEX HERMOSILLO DO (NPI 1821526625) is an individual anesthesiology provider in Anchorage, Alaska, licensed in Alaska (176586) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS and is a graduate of Rocky Vista University College Of Osteopathic Med (2017).

NPPES Registry Identity

NPI1821526625
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameALEX HERMOSILLOCredential: DO
Location Address5955 ZEAMER AVEAnchorage, AK 99506-3702
Mailing Address5955 Zeamer AveAnchorage, AK 99506-3702
Sole ProprietorNo
Medical School CMSRocky Vista University College Of Osteopathic MedGraduated 2017
Enumeration DateMay 24, 2017
Last NPPES UpdateJanuary 31, 20233 updates tracked since enumeration
NPPES CertifiedJanuary 31, 2023
✔ NPI 1821526625 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in AK · 176586
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
5955 ZEAMER AVE, Anchorage, AK 99506

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

Alex Hermosillo Do 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 ID4587931035
PECOS Enrollment IDI20251022002033, I20260206001794
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Alex Hermosillo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Acute Care Hospital
4315 DIPLOMACY DR
Anchorage, AK 99508
  • Reassigned Medicare billing, Texas enrollment
  • 1,373 clinicians in this Medicare group
Anesthesiology
2500 S WOODWORTH LOOP
Palmer, AK 99645
  • Reassigned Medicare billing, Alaska enrollment
  • 57 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.

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.

Pathology (Anatomic Pathology & Clinical Pathology)
5955 ZEAMER AVE
JBER, AK 99506
Pharmacist
5955 ZEAMER AVE
JBER, AK 99506
Emergency Medicine
5955 ZEAMER AVE, 3RD MD6
ELMENDORF AFB, AK 99506
Specialist/Technologist (Athletic Trainer)
5955 ZEAMER AVE
ELMENDORF AFB, AK 99506
Dietitian, Registered
5955 ZEAMER AVE
JBER, AK 99506
Internal Medicine (Cardiovascular Disease)
5955 ZEAMER AVE, 673D MDG
JBER ELMENDORF AFB, AK 99506
Radiology (Diagnostic Radiology)
5955 ZEAMER AVE
JBER, AK 99506
Anesthesiology (Pain Medicine)
5955 ZEAMER AVE
ELMENDORF AFB, AK 99506

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 Alex Hermosillo's NPI number?

The NPI number for Alex Hermosillo is 1821526625. It was assigned to this individual provider in the NPPES registry on May 24, 2017.

Where is Alex Hermosillo located?

Alex Hermosillo practices at 5955 Zeamer Ave, Anchorage, AK 99506. The listed phone number is (907) 580-1842.

What is Alex Hermosillo's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Alex Hermosillo enrolled in Medicare?

Yes. Alex Hermosillo 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 Alex Hermosillo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alex Hermosillo reassigns Medicare benefits to 2 organizations: Alaska Native Tribal Health Consortium (Anchorage, AK) and Anesthesia Care Associates, PC (Palmer, AK). 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 Alex Hermosillo'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 Alex Hermosillo was last updated on January 31, 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.