1. Home
  2. Directory
  3. California
  4. Los Alamitos
  5. Anesthesiology
  6. NPI Profile

CALVIN NGUYEN-HO MD
NPI 1174100176
Anesthesiology in Los Alamitos, CA

Active since March 25, 2021PECOS EnrolledAccepts Medicare Assignment
3751 KATELLA AVE, LOS ALAMITOS, CA 90720(562) 799-3160 Get Directions Write a Review

NPPES record last updated: June 21, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 21, 2025, Jun 11, 2025, Oct 6, 2021 and 3 more (6 updates tracked since 2021).

About Calvin Nguyen-ho Md NPPES

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

CALVIN NGUYEN-HO MD (NPI 1174100176) is an individual anesthesiology provider in Los Alamitos, California, licensed in California (192807) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS and is a graduate of Medical College Of Wisconsin (2021).

NPPES Registry Identity

NPI1174100176
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameCALVIN NGUYEN-HOCredential: MD
Location Address3751 KATELLA AVELos Alamitos, CA 90720-3113
Mailing Address3751 Katella AveLos Alamitos, CA 90720-3113
Phone(562) 799-3160
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 2021
Enumeration DateMarch 25, 2021
Last NPPES UpdateJune 21, 20256 updates tracked since enumeration
NPPES CertifiedJune 21, 2025
✔ NPI 1174100176 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · 192807
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.
3751 KATELLA AVE, Los Alamitos, CA 90720
Open in Google Maps ↗

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

Calvin Nguyen-ho Md 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 ID143749374
PECOS Enrollment IDI20250813003958
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

3

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

Premiercare Anesthesia Fountain Valley Inc
9.7 mi
Anesthesiology
17100 EUCLID ST.
Fountain Valley, CA 97208
  • Reassigned Medicare billing, California enrollment
  • 59 clinicians in this Medicare group
NPI 1831536531 (714) 966-7200
Orange Coast Anesthesia Inc
14 mi
Anesthesiology
2601 E CHAPMAN AVE
Orange, CA 92869
  • Reassigned Medicare billing, California enrollment
  • 168 clinicians in this Medicare group
NPI 1508138256 (714) 633-0011
Oak Creek Anesthesia Services, Inc.
187 mi
Anesthesiology
400 W MINERAL KING AVE
Visalia, CA 93291
  • Reassigned Medicare billing, California enrollment
  • 131 clinicians in this Medicare group
NPI 1619589512 (559) 624-5432

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.

MEI MEDICAL CORPORATION
Anesthesiology
3751 KATELLA AVE
LOS ALAMITOS, CA 90720
Orange County (562) 598-1311
MOUSTAFA MOATAZ ABOSHADY M.D.
Hospitalist
3751 KATELLA AVE
LOS ALAMITOS, CA 90720
Orange County (928) 854-9603
DR. BRETT MICHAEL FLORIE D.O.
Anesthesiology
3751 KATELLA AVE
LOS ALAMITOS, CA 90720
Orange County (562) 598-1311
JOSEPH JEE JEAN MD
Emergency Medicine
3751 KATELLA AVE
LOS ALAMITOS, CA 90720
Orange County (562) 598-1311
ERIN WRIGHT BSN, RN, CNOR, RNFA
Registered Nurse (Registered Nurse First Assistant)
3751 KATELLA AVE
LOS ALAMITOS, CA 90720
Orange County (562) 598-1311
TED UCHIO, M.D., A PROFESSIONAL CORPORATION
Anesthesiology
3751 KATELLA AVE
LOS ALAMITOS, CA 90720
Orange County (562) 559-8131
DR. NATALIE TSE-LAN SHUM MD
Emergency Medicine
3751 KATELLA AVE
LOS ALAMITOS, CA 90720
Orange County (562) 598-1311
GEORGE MORRISON DO
Radiology (Diagnostic Radiology)
3751 KATELLA AVE
LOS ALAMITOS, CA 90720
Orange County (949) 263-8620

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 Calvin Nguyen-ho's NPI number?

The NPI number for Calvin Nguyen-ho is 1174100176. It was assigned to this individual provider in the NPPES registry on March 25, 2021.

Where is Calvin Nguyen-ho located?

Calvin Nguyen-ho practices at 3751 Katella Ave, Los Alamitos, CA 90720. The listed phone number is (562) 799-3160.

What is Calvin Nguyen-ho's specialty?

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

Is Calvin Nguyen-ho enrolled in Medicare?

Yes. Calvin Nguyen-ho 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 Calvin Nguyen-ho's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Calvin Nguyen-ho reassigns Medicare benefits to 3 organizations: Premiercare Anesthesia Fountain Valley Inc (Fountain Valley, CA), Orange Coast Anesthesia Inc (Orange, CA) and Oak Creek Anesthesia Services, Inc. (Visalia, 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 Calvin Nguyen-ho'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 Calvin Nguyen-ho was last updated on June 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.