MARIE ANGELICA LANDICHO DIAZ M.D.
NPI 1588072532
Internal Medicine - Endocrinology, Diabetes & Metabolism in Sioux Falls, SD

Q: What is Marie Angelica Diaz's NPI number?

The NPI number for Marie Angelica Diaz is 1588072532. It was assigned to this individual provider in the NPPES registry on July 22, 2014.

Q: What is Marie Angelica Diaz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Active since July 22, 2014PECOS EnrolledAccepts Medicare Assignment

1315 S CLIFF AVE STE 3000, SIOUX FALLS, SD 57105(605) 322-7600 Get Directions Write a Review

NPPES record last updated: January 18, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 18, 2023, Aug 19, 2020, Jul 25, 2017 and 1 more (4 updates tracked since 2017).

On this page

About Marie Angelica Landicho Diaz M.d. NPPES

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

MARIE ANGELICA LANDICHO DIAZ M.D. (NPI 1588072532) is an individual endocrinology, diabetes & metabolism provider in Sioux Falls, South Dakota, licensed in South Dakota (11482) and active in the NPI registry since July 2014. She is enrolled in Medicare PECOS, is affiliated with Lakes Regional Healthcare, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1588072532

Entity TypeIndividualFemale

Primary Taxonomy207RE0101X

Provider Legal NameMARIE ANGELICA LANDICHO DIAZCredential: M.D.

Location Address1315 S CLIFF AVE STE 3000Sioux Falls, SD 57105-1061

Mailing Address1315 S Cliff Ave Ste 3000Sioux Falls, SD 57105-1061

Phone(605) 322-7600

Sole ProprietorNo

Medical School CMSOtherGraduated 2011

Enumeration DateJuly 22, 2014

Last NPPES UpdateJanuary 18, 20234 updates tracked since enumeration

NPPES CertifiedJanuary 18, 2023

✔ NPI 1588072532 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in SD · 11482

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

1315 S CLIFF AVE STE 3000, Sioux Falls, SD 57105

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Sunflower Health Plan, Ambetter Health, Ambetter Health of Delaware and more.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

Marie Angelica Landicho Diaz M.d. 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 ID5395018725

PECOS Enrollment IDI20190905003421

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 Marie Angelica Diaz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Avera Mckennan

Same address

Psychiatry

911 E 20TH ST, STE. 403
Sioux Falls, SD 57105

Reassigned Medicare billing, South Dakota enrollment
1,277 clinicians in this Medicare group

NPI 1609848175 (605) 322-7516

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

Areas of Expertise CMS Part B claims 13

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.

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.

288 services229 patients

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

215 services189 patients

Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251

This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.

124 services87 patients

Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251

94 services77 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.

49 services23 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

43 services43 patients

Fine needle aspiration biopsy using ultrasound guidance, first growth 10005

Fine needle aspiration biopsy with ultrasound guidance is a procedure where a thin needle is inserted into a growth to extract a small sample. Ultrasound helps accurately locate the growth. This sample is then analyzed to determine the nature of the growth.

26 services26 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.

24 services24 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

20 services20 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

17 services15 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

16 services16 patients

Fine needle aspiration biopsy using ultrasound guidance, first growth 10005

14 services14 patients

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

14 services14 patients

Hospital Affiliations CMS Care Compare 5

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

Lakes Regional Healthcare

Acute Care Hospitals · Spirit Lake, IA

3/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number160124

Location2301 Highway 71Spirit Lake, IA 51360 · Dickinson County

Emergency services Birthing friendly

Osceola Community Hospital

Critical Access Hospitals · Sibley, IA

OwnershipVoluntary non-profit - Private

CMS Certification Number161345

Location600 9th Avenue NorthSibley, IA 51249 · Osceola County

Emergency services

Sioux Center Health

Critical Access Hospitals · Sioux Center, IA

OwnershipVoluntary non-profit - Private

CMS Certification Number161346

Location1101 9th Street SESioux Center, IA 51250 · Sioux County

Emergency services

Avera St Lukes

Acute Care Hospitals · Aberdeen, SD

5/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number430014

Location305 S State St Post Office Box 4450Aberdeen, SD 57401 · Brown County

Emergency services Birthing friendly

Avera Mckennan Hospital & University Health Center

Acute Care Hospitals · Sioux Falls, SD

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number430016

Location1325 S Cliff AveSioux Falls, SD 57117 · Minnehaha County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 57105 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.

Referred Medical Equipment & Supplies CMS DME claims 8

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of insulin infusion catheter, per week A4224

DME-Other DME · category DE017N

8 suppliers29 claims366 services$18.16 avg. paid by Medicare

Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225

DME-Other DME · category DE017N

8 suppliers29 claims940 services$2.28 avg. paid by Medicare

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

30 suppliers89 claims269 services$5.89 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

9 suppliers16 claims35 services$1.03 avg. paid by Medicare

External ambulatory infusion pump, insulin E0784

DME-Other DME · category DE017N

6 suppliers52 claims52 services$290.37 avg. paid by Medicare

Insulin for administration through dme (i.e., insulin pump) per 50 units J1817

Treatment-Injections and Infusions (nononcologic) · category RI000N

9 suppliers39 claims3,540 services$6.57 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

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

ALLISON KAY HATCHER DNP, CNP

Nurse Practitioner (Family)

1315 S CLIFF AVE STE 3000
SIOUX FALLS, SD 57105

Minnehaha County (605) 322-7600

HASSAN MEHMOOD M.D.

Internal Medicine (Endocrinology, Diabetes & Metabolism)

1315 S CLIFF AVE STE 3000
SIOUX FALLS, SD 57105

Minnehaha County (605) 322-7600

JADA LEE BAKKER CNP

Nurse Practitioner (Family)

1315 S CLIFF AVE STE 3000
SIOUX FALLS, SD 57105

Minnehaha County (605) 322-7600

LORAYNE ANN CHUA M.D.

Internal Medicine (Endocrinology, Diabetes & Metabolism)

1315 S CLIFF AVE STE 3000
SIOUX FALLS, SD 57105

Minnehaha County (605) 322-7600

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 Marie Angelica Diaz's NPI number?

The NPI number for Marie Angelica Diaz is 1588072532. It was assigned to this individual provider in the NPPES registry on July 22, 2014.

Where is Marie Angelica Diaz located?

Marie Angelica Diaz practices at 1315 S Cliff Ave Ste 3000, Sioux Falls, SD 57105. The listed phone number is (605) 322-7600.

What is Marie Angelica Diaz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Marie Angelica Diaz enrolled in Medicare?

Yes. Marie Angelica 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.

Which organization bills Medicare for Marie Angelica Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marie Angelica Diaz reassigns Medicare benefits to Avera Mckennan (Sioux Falls, SD). The 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 Marie Angelica Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marie Angelica Diaz accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Avera Health Plans and Oscar Insurance Company and 2 other insurers list Marie Angelica 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 Marie Angelica Diaz affiliated with any hospitals?

According to CMS data, Marie Angelica Diaz is affiliated with Lakes Regional Healthcare, Osceola Community Hospital, Sioux Center Health, Avera St Lukes and Avera Mckennan Hospital & University Health Center.

When was this NPI record last updated?

The NPPES record for Marie Angelica Diaz was last updated on January 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.