DR. SARAH ELIZABETH DIAZ DO
NPI 1376903708
Surgery in Duluth, MN

Q: What is Sarah Diaz's NPI number?

The NPI number for Sarah Diaz is 1376903708. It was assigned to this individual provider in the NPPES registry on February 26, 2016.

Q: What is Sarah Diaz's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for Sarah Diaz was last updated on June 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.

Active since February 26, 2016PECOS EnrolledAccepts Medicare Assignment

400 E 3RD ST, DULUTH, MN 55805(218) 786-8364 Get Directions Write a Review

NPPES record last updated: June 24, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 24, 2025, Feb 26, 2016 (2 updates tracked since 2016).

On this page

About Dr. Sarah Elizabeth Diaz Do NPPES

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

DR. SARAH ELIZABETH DIAZ DO (NPI 1376903708) is an individual surgery provider in Duluth, Minnesota, licensed in Minnesota (78919) and active in the NPI registry since February 2016. She is enrolled in Medicare PECOS, is affiliated with Essentia Health St Mary's Medical Center, and maintains a secondary practice location in Midland.

NPPES Registry Identity

NPI1376903708

Entity TypeIndividualFemale

Primary Taxonomy208600000X

Provider Legal NameDR. SARAH ELIZABETH DIAZCredential: DO

Location Address400 E 3RD STDuluth, MN 55805-1951

Mailing Address400 E 3rd StDuluth, MN 55805-1951 · (218) 786-8364

Phone(218) 786-8364

Sole ProprietorNo

Medical School CMSAt Still University Of Health Sciences, College Of Osteo Med, KirksvilleGraduated 2016

Enumeration DateFebruary 26, 2016

Last NPPES UpdateJune 24, 20252 updates tracked since enumeration

NPPES CertifiedJune 24, 2025

✔ NPI 1376903708 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

Licenses✔ Licensed in MN · 78919✔ Licensed in WI · 81775

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Also ListedColon & Rectal SurgeryTaxonomy 208C00000X · License 5101022337 (MI)

400 E 3RD ST, Duluth, MN 55805

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Secondary Practice Location 1

Location 14100 Campus Ridge DrMidland, MI 48640-6139 · Phone (989) 839-1795

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HealthPartners, McLaren Health Plan Community, Medica and more.Insurance ›

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

Dr. Sarah Elizabeth Diaz Do 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 ID2567754310

PECOS Enrollment IDI20250703002784

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.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

50 services50 patients

Diagnostic exam of anus using an endoscope 46600

This procedure involves using a thin, flexible instrument called an endoscope to examine the anal area. It helps detect any abnormal conditions or issues. It's a safe, routine exam performed by a healthcare professional.

45 services38 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

42 services41 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

29 services23 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

25 services12 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

24 services24 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

18 services13 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

18 services18 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

17 services17 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

13 services12 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Essentia Health St Mary's Medical Center

Acute Care Hospitals · Duluth, MN

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240002

Location402 East Second StreetDuluth, MN 55805 · St. Louis County

Emergency services Birthing friendly

Essentia Health Duluth

Acute Care Hospitals · Duluth, MN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240019

Location502 East Second StreetDuluth, MN 55805 · St. Louis County

Birthing friendly

St Marys Hospital Superior

Critical Access Hospitals · Superior, WI

OwnershipVoluntary non-profit - Private

CMS Certification Number521329

Location3500 Tower AveSuperior, WI 54880 · Douglas County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55805 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

$85.82 typical visit price

range $56.00 – $168.28

Typical copayment $21.45 (range $14.00 – $42.07)

Most-billed visit code 99203

Established Patient

$69.74 typical visit price

range $18.32 – $138.04

Typical copayment $17.43 (range $4.58 – $34.51)

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.

CHRISTIAN CONNER RN, CRNA

Nurse Anesthetist, Certified Registered

400 E 3RD ST
DULUTH, MN 55805

St. Louis County (218) 786-4150

JORDAN TICHENOR

Internal Medicine (Infectious Disease)

400 E 3RD ST
DULUTH, MN 55805

St. Louis County (218) 786-3737

MOLLY B DWYER APRN, CNP

Nurse Practitioner (Psychiatric/Mental Health)

400 E 3RD ST
DULUTH, MN 55805

St. Louis County (218) 786-8364

AMY MARIE LARSON MD

Hospitalist

400 E 3RD ST
DULUTH, MN 55805

St. Louis County (218) 786-8364

BRUCE JAMES DERAUF

Radiology (Diagnostic Radiology)

400 E 3RD ST
DULUTH, MN 55805

St. Louis County (218) 786-8364

NIZAR NAJIB SALEH

Internal Medicine (Cardiovascular Disease)

400 E 3RD ST
DULUTH, MN 55805

St. Louis County (218) 786-8364

DIANE MAE KOLQUIST

Clinical Nurse Specialist (Medical-Surgical)

400 E 3RD ST
DULUTH, MN 55805

St. Louis County (218) 786-8364

GINA MARIE SLIPKA-MARINOS

Internal Medicine

400 E 3RD ST
DULUTH, MN 55805

St. Louis County (218) 786-8364

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 Sarah Diaz's NPI number?

The NPI number for Sarah Diaz is 1376903708. It was assigned to this individual provider in the NPPES registry on February 26, 2016.

Where is Sarah Diaz located?

Sarah Diaz practices at 400 E 3rd St, Duluth, MN 55805. The listed phone number is (218) 786-8364.

What is Sarah Diaz's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Sarah Diaz enrolled in Medicare?

Yes. Sarah Diaz 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.

What insurance does Sarah Diaz accept?

Health plans from HealthPartners, McLaren Health Plan Community, Medica and Sanford Health Plan list Sarah Diaz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Sarah Diaz affiliated with any hospitals?

According to CMS data, Sarah Diaz is affiliated with Essentia Health St Mary's Medical Center, Essentia Health Duluth and St Marys Hospital Superior.

When was this NPI record last updated?

The NPPES record for Sarah Diaz was last updated on June 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.