SANTIAGO DIAZ GONZALEZ
NPI 1619545993
Psychiatry & Neurology - Neurology in Sioux Falls, SD

Q: What is Santiago Diaz Gonzalez's NPI number?

The NPI number for Santiago Diaz Gonzalez is 1619545993. It was assigned to this individual provider in the NPPES registry on June 14, 2021.

Q: What is Santiago Diaz Gonzalez's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Active since June 14, 2021PECOS EnrolledAccepts Medicare Assignment

1210 W 18TH ST STE 100, SIOUX FALLS, SD 57104(605) 312-8500 Get Directions Write a Review

NPPES record last updated: July 1, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 12, 2023, Oct 21, 2021, Jun 14, 2021 (3 updates tracked since 2021).

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About Santiago Diaz Gonzalez NPPES

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

SANTIAGO DIAZ GONZALEZ (NPI 1619545993) is an individual neurology provider in Sioux Falls, South Dakota, licensed in Alabama (L5532R) and active in the NPI registry since June 2021. He is enrolled in Medicare PECOS, is affiliated with Sanford Usd Medical Center, and maintains a secondary practice location in Mobile.

NPPES Registry Identity

NPI1619545993

Entity TypeIndividualMale

Primary Taxonomy2084N0400X

Provider Legal NameSANTIAGO DIAZ GONZALEZ

Location Address1210 W 18TH ST STE 100Sioux Falls, SD 57104-4650

Mailing AddressPo Box 5074Sioux Falls, SD 57117-5074

Phone(605) 312-8500

Sole ProprietorNo

Medical School CMSOtherGraduated 2018

Enumeration DateJune 14, 2021

Last NPPES UpdateJuly 1, 20263 updates tracked since enumeration

NPPES CertifiedJuly 1, 2026

✔ NPI 1619545993 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

Licenses✔ Licensed in AL · L5532R✔ Licensed in SD · 17654

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1210 W 18TH ST STE 100, Sioux Falls, SD 57104

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Secondary Practice Location 1

Location 12451 University Hospital Dr R, Room 714Mobile, AL 36617 · Phone (251) 660-5108 · Fax (251) 445-8249

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Sanford Health Plan, Wellmark Health Plan of Iowa, Inc., Wellmark of South Dakota, Inc..Insurance ›

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

Santiago Diaz Gonzalez 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 ID7810386729

PECOS Enrollment IDI20260721003173

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 Reassignment

Medicare enrollment records show Santiago Diaz Gonzalez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sanford Medical Center

0.3 mi

Family Medicine

1420 W 22NDST STE 104
Sioux Falls, SD 57105

Reassigned Medicare billing, South Dakota enrollment
1,097 clinicians in this Medicare group

NPI 1093090342 (605) 328-4897

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

Hospital Affiliations CMS Care Compare

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

Sanford Usd Medical Center

Acute Care Hospitals · Sioux Falls, SD

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number430027

Location1305 W 18th St Post Office Box 5039Sioux Falls, SD 57117 · Minnehaha County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 57104 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

$126.78 typical visit price

range $55.52 – $167.23

Typical copayment $31.69 (range $13.88 – $41.80)

Most-billed visit code 99204

Established Patient

$97.88 typical visit price

range $18.08 – $137.08

Typical copayment $24.47 (range $4.52 – $34.27)

Most-billed visit code 99214

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.

GEORGE LIU YANG

Neurological Surgery