DR. LOSTY TATIANA TORRES POTTER M.D.
NPI 1619358603
Internal Medicine - Endocrinology, Diabetes & Metabolism in Sioux City, IA

Active since June 15, 2015PECOS EnrolledAccepts Medicare Assignment
801 5TH ST, SIOUX CITY, IA 51101(712) 279-2950(712) 279-2520 Get Directions Write a Review

NPPES record last updated: November 10, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 10, 2025, Apr 9, 2024, Oct 26, 2020 (3 updates tracked since 2020).

About Dr. Losty Tatiana Torres Potter M.d. NPPES

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

DR. LOSTY TATIANA TORRES POTTER M.D. (NPI 1619358603) is an individual endocrinology, diabetes & metabolism provider in Sioux City, Iowa, licensed in Iowa (MD-47081) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS, is affiliated with St Lukes Regional Medical Center, and maintains a secondary practice location in Bronx.

NPPES Registry Identity

NPI1619358603
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameDR. LOSTY TATIANA TORRES POTTERCredential: M.D.
Location Address801 5TH STSioux City, IA 51101-1326
Mailing Address801 5th StSioux City, IA 51101-1326 · (712) 279-2950 · Fax (712) 279-2520
Fax(712) 279-2520
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateJune 15, 2015
Last NPPES UpdateNovember 10, 20253 updates tracked since enumeration
NPPES CertifiedNovember 10, 2025
NPI 1619358603 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 IA · MD-47081
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.
801 5TH ST, Sioux City, IA 51101

Secondary Practice Location 1

Location 14422 3rd Ave, department of internal medicineBronx, NY 10457-2545 · Phone (718) 960-6202

Accepted 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. Losty Tatiana Torres Potter 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 ID3476978131
PECOS Enrollment IDI20200729001524
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 7

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.
258 services145 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
139 services89 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.
110 services38 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
81 services55 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.
44 services44 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
39 services38 patients

Hospital Affiliations CMS Care Compare 5

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

St Lukes Regional Medical Center

Acute Care Hospitals · Sioux City, IA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160146
Location2720 Stone Park BoulevardSioux City, IA 51104 · Woodbury County
Emergency services Birthing friendly

Mercyone Siouxland Medical Center

Acute Care Hospitals · Sioux City, IA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160153
Location801 5th StSioux City, IA 51101 · Woodbury County
Emergency services

Cherokee Regional Medical Center

Critical Access Hospitals · Cherokee, IA
OwnershipVoluntary non-profit - Private
CMS Certification Number161362
Location300 Sioux Valley DriveCherokee, IA 51012 · Cherokee County
Emergency services Birthing friendly

Floyd Valley Healthcare

Critical Access Hospitals · Le Mars, IA
OwnershipGovernment - Local
CMS Certification Number161368
Location714 Lincoln St NELe Mars, IA 51031 · Plymouth County
Emergency services Birthing friendly

Buena Vista Regional Medical Center

Critical Access Hospitals · Storm Lake, IA
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number161375
Location1525 West 5th StreetStorm Lake, IA 50588 · Buena Vista County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 51101 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
$122.23 typical visit price
range $52.96 – $161.40
Typical copayment $30.55 (range $13.24 – $40.35)
Most-billed visit code 99204
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
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 4

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
4 suppliers11 claims140 services$18.60 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
4 suppliers11 claims22 services$6.63 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
6 suppliers420 claims420 services$188.69 avg. paid by Medicare
Receiver (monitor), dedicated, for use with therapeutic glucose continuous monitor system K0554
DME-Other DME · category DE017N
3 suppliers13 claims13 services$164.87 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 20

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

Physician Assistant
801 5TH ST
SIOUX CITY, IA 51101
Nurse Practitioner
801 5TH ST
SIOUX CITY, IA 51101
Physical Therapy Assistant
801 5TH ST
SIOUX CITY, IA 51101
Nurse Practitioner
801 5TH ST
SIOUX CITY, IA 51101
Pharmacist
801 5TH ST, MERCY MEDICAL CENTER - MAIN PHARMACY
SIOUX CITY, IA 51101
Nurse Practitioner
801 5TH ST
SIOUX CITY, IA 51101
Nurse Anesthetist, Certified Registered
801 5TH ST
SIOUX CITY, IA 51101
Internal Medicine
801 5TH ST
SIOUX CITY, IA 51101

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 Losty Torres Potter's NPI number?

The NPI number for Losty Torres Potter is 1619358603. It was assigned to this individual provider in the NPPES registry on June 15, 2015.

Where is Losty Torres Potter located?

Losty Torres Potter practices at 801 5th St, Sioux City, IA 51101. The listed phone number is (712) 279-2950.

What is Losty Torres Potter's specialty?

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

Is Losty Torres Potter enrolled in Medicare?

Yes. Losty Torres Potter 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 Losty Torres Potter accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan and 4 other insurers list Losty Torres Potter 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 Losty Torres Potter affiliated with any hospitals?

According to CMS data, Losty Torres Potter is affiliated with St Lukes Regional Medical Center, Mercyone Siouxland Medical Center, Cherokee Regional Medical Center, Floyd Valley Healthcare and Buena Vista Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Losty Torres Potter was last updated on November 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.