HUGO ALEJANDRO RIVADENEYRA PASTEN MD
NPI 1962766980
Internal Medicine - Endocrinology, Diabetes & Metabolism in Ames, IA

Q: What is Hugo Rivadeneyra Pasten's NPI number?

The NPI number for Hugo Rivadeneyra Pasten is 1962766980. It was assigned to this individual provider in the NPPES registry on June 25, 2012.

Q: What is Hugo Rivadeneyra Pasten's specialty?

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

Active since June 25, 2012PECOS EnrolledAccepts Medicare Assignment

1015 DUFF AVENUE, AMES, IA 50010(515) 239-4440(515) 239-4420 Get Directions Write a Review

NPPES record last updated: January 27, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 27, 2021, Jun 28, 2017 (2 updates tracked since 2017).

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About Hugo Alejandro Rivadeneyra Pasten Md NPPES

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

HUGO ALEJANDRO RIVADENEYRA PASTEN MD (NPI 1962766980) is an individual endocrinology, diabetes & metabolism provider in Ames, Iowa, licensed in Iowa (44311) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS, is affiliated with Trinity Regional Medical Center, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1962766980

Entity TypeIndividualMale

Primary Taxonomy207RE0101X

Provider Legal NameHUGO ALEJANDRO RIVADENEYRA PASTENCredential: MD

Location Address1015 DUFF AVENUEAmes, IA 50010-3014

Mailing Address1215 Duff AvenueAmes, IA 50010-3014 · (515) 239-4440 · Fax (515) 239-4420

Phone(515) 239-4440

Fax(515) 239-4420

Sole ProprietorNo

Medical School CMSOtherGraduated 2008

Enumeration DateJune 25, 2012

Last NPPES UpdateJanuary 27, 20212 updates tracked since enumeration

NPPES CertifiedJanuary 27, 2021

✔ NPI 1962766980 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 · 44311

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.

1015 DUFF AVENUE, Ames, IA 50010

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Wellmark Health Plan of Iowa, 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

Hugo Alejandro Rivadeneyra Pasten Md 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 ID7315248598

PECOS Enrollment IDI20170714002606

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 Hugo Rivadeneyra Pasten reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mcfarland Clinic PC

0.2 mi

Multi-Specialty

1215 DUFF AVENUE
Ames, IA 50010

Reassigned Medicare billing, Iowa enrollment
331 clinicians in this Medicare group

NPI 1639135643 (515) 239-4400

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 25

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.

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

3,180 services32 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.

941 services447 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.

455 services218 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.

340 services223 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.

273 services108 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

266 services160 patients

Thyroxine (thyroid chemical), free 84439

The Thyroxine (thyroid chemical), free test is a blood test that measures the level of free T4 in your body. T4 is a hormone produced by your thyroid gland and is essential for growth and metabolism. If your T4 levels are too high or too low, it could indicate a thyroid disorder.

252 services148 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

125 services95 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.

78 services78 patients

Vitamin d-3 level 82306

A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.

65 services61 patients

Parathormone (parathyroid hormone) level 83970

The Parathormone level test measures the amount of parathyroid hormone in your blood. This hormone controls calcium and phosphorus levels in the body, which are vital for bone health. Abnormal levels may indicate issues like kidney disease or parathyroid gland disorders.

63 services48 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

61 services38 patients

Phosphate level 84100

A phosphate level test measures the amount of phosphate in your blood. Phosphate is a chemical that contains the mineral phosphorus, crucial for energy production, muscle and nerve function, and bone growth. Imbalances may indicate kidney disease or other health issues.

55 services42 patients

Creatinine level to test for kidney function or muscle injury 82570

A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.

40 services37 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.

30 services18 patients

Blood test, basic group of blood chemicals (calcium, total) 80048

A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.

27 services24 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 services21 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

22 services17 patients

Liver function blood test panel 80076

A liver function blood test panel helps check the health of your liver. It measures various proteins, liver enzymes, and bilirubin in your blood. If these levels are too high or too low, it could signal a liver problem. It's a simple, non-invasive test that involves drawing blood.

19 services14 patients

Red blood cell concentration measurement 85014

Red blood cell concentration measurement is a routine blood test that assesses the number of red blood cells in your blood. These cells carry oxygen throughout your body. The test can help identify conditions like anemia or dehydration. It's a simple, quick, and relatively painless procedure.

18 services12 patients

Blood count, hemoglobin 85018

A blood count, specifically hemoglobin, is a standard test that measures the amount of hemoglobin in your blood. Hemoglobin is a protein in red blood cells that carries oxygen throughout your body. This test helps assess your overall health and detect a variety of disorders such as anemia or polycythemia.

18 services12 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 services12 patients

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

16 services16 patients

Prolactin (milk producing hormone) level 84146

A prolactin level test measures the amount of a hormone, prolactin, in your blood. This hormone plays a role in many bodily functions, such as the creation of milk. High or low levels can indicate certain health conditions. The test involves a simple blood draw.

16 services13 patients

Urine microalbumin (protein) level 82043

The urine microalbumin level test measures the amount of a protein called albumin in your urine. This test helps to detect early signs of kidney damage. High levels of albumin may suggest your kidneys aren't functioning properly. It's a simple, non-invasive test that involves providing a urine sample.

12 services12 patients

Hospital Affiliations CMS Care Compare 4

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

Trinity Regional Medical Center

Acute Care Hospitals · Fort Dodge, IA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number160016

Location802 Kenyon RdFort Dodge, IA 50501 · Webster County

Emergency services Birthing friendly

Mary Greeley Medical Center

Acute Care Hospitals · Ames, IA

4/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number160030

Location1111 Duff AvenueAmes, IA 50010 · Story County

Emergency services Birthing friendly

Humboldt County Memorial Hospital

Critical Access Hospitals · Humboldt, IA

OwnershipVoluntary non-profit - Other

CMS Certification Number161334

Location1000 North 15th StreetHumboldt, IA 50548 · Humboldt County

Emergency services

Loring Hospital

Critical Access Hospitals · Sac City, IA

OwnershipVoluntary non-profit - Private

CMS Certification Number161370

Location211 Highland Avenue PO Box 217Sac City, IA 50583 · Sac County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50010 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 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

9 suppliers46 claims517 services$18.20 avg. paid by Medicare

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

DME-Other DME · category DE017N

8 suppliers44 claims1,076 services$2.33 avg. paid by Medicare

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

DME-Other DME · category DE017N

29 suppliers166 claims439 services$6.21 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

14 suppliers30 claims36 services$1.01 avg. paid by Medicare

External ambulatory infusion pump, insulin E0784

DME-Other DME · category DE017N

5 suppliers37 claims37 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 suppliers45 claims3,680 services$5.93 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 6

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

JUAN A ACOSTA MD

Psychiatry & Neurology (Neurology)

1015 DUFF AVENUE, MCFARLAND CLINIC PC
AMES, IA 50010

Story County (515) 239-4435

DR. SEMIRA RAMIC DO

Psychiatry & Neurology (Neurology)