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EMILY DONG ASHMUN CRNA
NPI 1497400246
Nurse Anesthetist, Certified Registered in Santa Clara, CA

Active since February 18, 2022Accepts Medicare Assignment
700 LAWRENCE EXPY, SANTA CLARA, CA 95051(408) 851-1000 Get Directions Write a Review

NPPES record last updated: June 3, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Emily Dong Ashmun Crna NPPES

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

EMILY DONG ASHMUN CRNA (NPI 1497400246) is an individual nurse anesthetist, certified registered in Santa Clara, California, licensed in California (134393) and active in the NPI registry since February 2022. She is a graduate of Mayo Medical School (2022).

NPPES Registry Identity

NPI1497400246
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameEMILY DONG ASHMUNCredential: CRNA
Location Address700 LAWRENCE EXPYSanta Clara, CA 95051-5173
Mailing Address316 Xavier WayMountain View, CA 94043-1955 · (650) 307-4067
Phone(408) 851-1000
Sole ProprietorYes
Medical School CMSMayo Medical SchoolGraduated 2022
Enumeration DateFebruary 18, 2022
Last NPPES UpdateJune 3, 2022
NPPES CertifiedJune 3, 2022
✔ NPI 1497400246 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 · 134393
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.
700 LAWRENCE EXPY, Santa Clara, CA 95051
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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

Emily Dong Ashmun 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 ID8426445362
PECOS Enrollment IDI20220425001054

Medicare Billing Reassignments

2

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

Permanente Medical Group Inc
3.7 mi
Internal Medicine
710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1073606299 (408) 851-1000
Silicon Valley Anesthesia Associates, Inc.
8.4 mi
Anesthesiology
2340 MONTPELIER DR
San Jose, CA 95116
  • Reassigned Medicare billing, California enrollment
  • 27 clinicians in this Medicare group
NPI 1427500040 (714) 642-2134

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95051 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
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
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.

HUI WU MD
Hospitalist
700 LAWRENCE EXPY
SANTA CLARA, CA 95051
Santa Clara County (408) 605-7333
REBEKAH LYNN KECK
Dietitian, Registered
700 LAWRENCE EXPY
SANTA CLARA, CA 95051
Santa Clara County (408) 475-7208
VALERIE ROBERSON RDN
Dietitian, Registered
700 LAWRENCE EXPY
SANTA CLARA, CA 95051
Santa Clara County (408) 851-1000
LAARNI OBIS YET RRT
Respiratory Therapist, Registered
700 LAWRENCE EXPY
SANTA CLARA, CA 95051
Santa Clara County (408) 851-7022
NETALI ADIEL
Doula
700 LAWRENCE EXPY
SANTA CLARA, CA 95051
Santa Clara County (408) 851-1000
DR. KHANH-LINH GUERRERO PHARM.D.
Pharmacist
700 LAWRENCE EXPY
SANTA CLARA, CA 95051
Santa Clara County (408) 851-7500
KRISTINE MAE MANGALINDAN M.D.
Student in an Organized Health Care Education/Training Program
700 LAWRENCE EXPY
SANTA CLARA, CA 95051
Santa Clara County (408) 851-1000
PATRICK NGUYEN PHARM.D.
Pharmacist
700 LAWRENCE EXPY, DEPT 301
SANTA CLARA, CA 95051
Santa Clara County (408) 851-7492

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 Emily Ashmun's NPI number?

The NPI number for Emily Ashmun is 1497400246. It was assigned to this individual provider in the NPPES registry on February 18, 2022.

Where is Emily Ashmun located?

Emily Ashmun practices at 700 Lawrence Expy, Santa Clara, CA 95051. The listed phone number is (408) 851-1000.

What is Emily Ashmun's specialty?

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

Is Emily Ashmun enrolled in Medicare?

Yes. Emily Ashmun 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 Emily Ashmun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Emily Ashmun reassigns Medicare benefits to 2 organizations: Permanente Medical Group Inc (Santa Clara, CA) and Silicon Valley Anesthesia Associates, Inc. (San Jose, 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 Emily Ashmun'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 Emily Ashmun was last updated on June 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.