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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. OLIVER RALPH
NPI 1740817923
Surgery - Surgical Critical Care in Sacramento, CA

Active since March 26, 2020PECOS Enrolled
2335 STOCKTON BLVD FL 5, SACRAMENTO, CA 95817(916) 734-5638 Get Directions Write a Review

NPPES record last updated: June 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 10, 2020, Mar 26, 2020 (2 updates tracked since 2020).

About Dr. Oliver Ralph NPPES

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

DR. OLIVER RALPH (NPI 1740817923) is an individual surgical critical care provider in Sacramento, California, licensed in California (A206074) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1740817923
Entity TypeIndividualMale
Primary Taxonomy2086S0102X
Provider Legal NameDR. OLIVER RALPH
Location Address2335 STOCKTON BLVD FL 5Sacramento, CA 95817-2201
Mailing Address2335 Stockton Blvd Fl 5Sacramento, CA 95817-2201 · (916) 734-5638
Phone(916) 734-5638
Sole ProprietorYes
Enumeration DateMarch 26, 2020
Last NPPES UpdateJune 13, 20262 updates tracked since enumeration
NPPES CertifiedJune 13, 2026
✔ NPI 1740817923 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Surgical Critical CareAllopathic & Osteopathic Physicians
Taxonomy Code2086S0102X
License✔ Licensed in CA · A206074
Definition
A surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedSurgeryTaxonomy 208600000X · License A206074 (CA)
2335 STOCKTON BLVD FL 5, Sacramento, CA 95817
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Oliver Ralph is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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.

ELINA SERRANO MD
Surgery
2335 STOCKTON BLVD FL 5
SACRAMENTO, CA 95817
Sacramento County (916) 734-2111
ADAM KNYAZ
Student in an Organized Health Care Education/Training Program
2335 STOCKTON BLVD FL 5
SACRAMENTO, CA 95817
Sacramento County (916) 734-2816
ERIC KEVIN TRAN
Student in an Organized Health Care Education/Training Program
2335 STOCKTON BLVD FL 5
SACRAMENTO, CA 95817
Sacramento County (916) 734-8395
AMY ELIZABETH JONES MD, MPH
Student in an Organized Health Care Education/Training Program
2335 STOCKTON BLVD FL 5
SACRAMENTO, CA 95817
Sacramento County (916) 734-2724
DR. MEGAN BLOUNT DO
Student in an Organized Health Care Education/Training Program
2335 STOCKTON BLVD FL 5
SACRAMENTO, CA 95817
Sacramento County (916) 734-2724
JENNIFER MICHELLE LYNDE D.O.
Surgery (Trauma Surgery)
2335 STOCKTON BLVD FL 5
SACRAMENTO, CA 95817
Sacramento County (916) 734-2678
ANDREW JOSEPH III MD
Student in an Organized Health Care Education/Training Program
2335 STOCKTON BLVD FL 5
SACRAMENTO, CA 95817
Sacramento County (916) 734-2816
LA NIECE CARPENTER MD
Student in an Organized Health Care Education/Training Program
2335 STOCKTON BLVD FL 5
SACRAMENTO, CA 95817
Sacramento County (916) 734-2816

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 Oliver Ralph's NPI number?

The NPI number for Oliver Ralph is 1740817923. It was assigned to this individual provider in the NPPES registry on March 26, 2020.

Where is Oliver Ralph located?

Oliver Ralph practices at 2335 Stockton Blvd Fl 5, Sacramento, CA 95817. The listed phone number is (916) 734-5638.

What is Oliver Ralph's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.

Is Oliver Ralph enrolled in Medicare?

Yes. Oliver Ralph is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Oliver Ralph was last updated on June 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 days 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.