ALEXANDRA ERNST MD, MPH
NPI 1144845900
Orthopaedic Surgery - Foot and Ankle Surgery in Sacramento, CA

Active since June 08, 2020PECOS EnrolledAccepts Medicare Assignment
3301 C ST STE 1600, SACRAMENTO, CA 95816(916) 734-2700(916) 734-7137 Get Directions Write a Review

NPPES record last updated: October 12, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 12, 2025, Jun 27, 2025, Jun 8, 2020 (3 updates tracked since 2020).

About Alexandra Ernst Md, Mph NPPES

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

ALEXANDRA ERNST MD, MPH (NPI 1144845900) is an individual foot and ankle surgery provider in Sacramento, California, licensed in California (A204267) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS, is affiliated with Renown Regional Medical Center, and is a graduate of Emory University School Of Medicine (2020).

NPPES Registry Identity

NPI1144845900
Entity TypeIndividualFemale
Primary Taxonomy207XX0004X
Provider Legal NameALEXANDRA ERNSTCredential: MD, MPH
Location Address3301 C ST STE 1600Sacramento, CA 95816-3384
Mailing Address4860 Y St Ste 3800Sacramento, CA 95817-2307 · (916) 734-5885 · Fax (916) 734-7904
Fax(916) 734-7137
Sole ProprietorNo
Medical School CMSEmory University School Of MedicineGraduated 2020
Enumeration DateJune 8, 2020
Last NPPES UpdateOctober 12, 20253 updates tracked since enumeration
NPPES CertifiedOctober 12, 2025
NPI 1144845900 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyOrthopaedic Surgery · Foot and Ankle SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207XX0004X
License Licensed in CA · A204267
Definition

Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, foot and ankle surgeons deal with adult reconstructive foot and ankle surgery, adult foot and ankle trauma, sports medicine foot and ankle, and children's foot and ankle reconstructive surgery.

Also ListedOrthopaedic SurgeryTaxonomy 207X00000X · License A204267 (CA)
3301 C ST STE 1600, Sacramento, CA 95816

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Alexandra Ernst Md, Mph 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 ID2961828736
PECOS Enrollment IDI20250909001987, I20260107003128
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Renown Regional Medical Center

Acute Care Hospitals · Reno, NV
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number290001
Location1155 Mill StreetReno, NV 89502 · Washoe County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 8

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

Physical Medicine & Rehabilitation (Sports Medicine)
3301 C ST STE 1600
SACRAMENTO, CA 95816
Physical Medicine & Rehabilitation (Sports Medicine)
3301 C ST STE 1600
SACRAMENTO, CA 95816
Orthopaedic Surgery (Sports Medicine)
3301 C ST STE 1600
SACRAMENTO, CA 95816
Physical Medicine & Rehabilitation
3301 C ST STE 1600
SACRAMENTO, CA 95816
Orthopaedic Surgery (Sports Medicine)
3301 C ST STE 1600
SACRAMENTO, CA 95816
Orthopaedic Surgery (Foot and Ankle Surgery)
3301 C ST STE 1600
SACRAMENTO, CA 95816
Physical Medicine & Rehabilitation (Sports Medicine)
3301 C ST STE 1600
SACRAMENTO, CA 95816
Student in an Organized Health Care Education/Training Program
3301 C ST STE 1600
SACRAMENTO, CA 95816

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 Alexandra Ernst's NPI number?

The NPI number for Alexandra Ernst is 1144845900. It was assigned to this individual provider in the NPPES registry on June 8, 2020.

Where is Alexandra Ernst located?

Alexandra Ernst practices at 3301 C St Ste 1600, Sacramento, CA 95816. The listed phone number is (916) 734-2700.

What is Alexandra Ernst's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Foot and Ankle Surgery, with taxonomy code 207XX0004X.

Is Alexandra Ernst enrolled in Medicare?

Yes. Alexandra Ernst 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.

Is Alexandra Ernst affiliated with any hospitals?

According to CMS data, Alexandra Ernst is affiliated with Renown Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Alexandra Ernst was last updated on October 12, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.