RICHARD C RHIEW MD
NPI 1346226479
Internal Medicine in Tucson, AZ

Q: What is Richard Rhiew's NPI number?

The NPI number for Richard Rhiew is 1346226479. It was assigned to this individual provider in the NPPES registry on December 20, 2005.

Q: What is Richard Rhiew's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Richard Rhiew was last updated on May 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 December 20, 2005PECOS Enrolled

5525 E RIVER RD, TUCSON, AZ 85750(520) 462-7057(520) 372-0242 Get Directions Write a Review

NPPES record last updated: May 14, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Richard C Rhiew Md NPPES

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

RICHARD C RHIEW MD (NPI 1346226479) is an individual internal medicine provider in Tucson, Arizona, licensed in Arizona (29651) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1346226479

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameRICHARD C RHIEWCredential: MD

Location Address5525 E RIVER RDTucson, AZ 85750-1949

Mailing AddressPo Box 24981Belfast, ME 04915-2000 · (520) 462-7057 · Fax (520) 372-0242

Phone(520) 462-7057

Fax(520) 372-0242

Sole ProprietorNo

Enumeration DateDecember 20, 2005

Last NPPES UpdateMay 14, 2026

NPPES CertifiedMay 14, 2026

✔ NPI 1346226479 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in AZ · 29651

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

5525 E RIVER RD, Tucson, AZ 85750

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Other Identifiers 1

Medicaid593526AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health, Cigna HealthCare of Arizona, Inc 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 (PECOS)

Richard C Rhiew Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

Medicare enrollment records show Richard Rhiew reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Arizona Community Physicians PC

3.6 mi

Internal Medicine

5055 E BROADWAY BLVD, SUITE A100
Tucson, AZ 85711

Reassigned Medicare billing, Arizona enrollment
264 clinicians in this Medicare group

NPI 1205871076 (520) 327-0460

Summit Medical Group Arizona LLC

119 mi

Family Medicine

5620 W THUNDERBIRD RD STE F1
Glendale, AZ 85306

Reassigned Medicare billing, Arizona enrollment
251 clinicians in this Medicare group

NPI 1053810622 (844) 969-0686

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 46

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 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.

552 services403 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.

477 services375 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.

423 services350 patients

Manual urinalysis test with examination using microscope, automated 81001

A manual urinalysis test with automated microscopic examination is a lab process that checks your urine for health indicators. It involves a machine scanning your sample to identify any abnormal elements, which can assist in diagnosing various conditions.

340 services293 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.

299 services285 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.

260 services229 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

233 services233 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.

180 services149 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.

169 services157 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.

124 services101 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.

124 services101 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.

121 services99 patients

Bacterial colony count, urine 87086

A bacterial colony count, urine, is a laboratory test that checks a urine sample for bacteria. It helps to identify if an infection is present in the urinary system. High numbers of bacteria in the urine can indicate a urinary tract infection (UTI).

111 services98 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.

109 services98 patients

Psa (prostate specific antigen) measurement, total 84153

PSA measurement is a simple blood test that checks for a specific protein produced by your body. High levels could indicate a health issue that needs further investigation. It's often used to monitor general wellness and is part of routine health screening.

107 services101 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.

78 services64 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.

74 services64 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

64 services14 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.

53 services44 patients

Cyanocobalamin (vitamin b-12) level 82607

A Cyanocobalamin (Vitamin B-12) level test is a blood test that checks the amount of Vitamin B-12 in your body. This vitamin is vital for nerve function and the creation of red blood cells. Low or high levels could indicate a potential health issue.

51 services45 patients

Lactate dehydrogenase (enzyme) level 83615

A Lactate Dehydrogenase level test measures the amount of this enzyme in your body. It's often done when tissue damage is suspected, as high levels can indicate issues like heart disease, lung disease, liver disease, or blood disorders. This test helps in diagnosing and monitoring these conditions.

51 services50 patients

Thyroid hormone, t3 measurement, free 84481

The T3 measurement, free, is a blood test that checks the level of a hormone called triiodothyronine. This hormone is produced by your thyroid, a small gland in your neck. It plays a key role in regulating your body's metabolism and energy use.

47 services39 patients

Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution 87186

This process checks how well certain drugs, like antibiotics, can fight against infections. It involves mixing the drug with a microbe (like bacteria or a virus) in a lab. By observing how the microbe reacts, it helps determine the best drug to treat your infection.

41 services38 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

40 services35 patients

Magnesium level 83735

A magnesium level test is a simple blood test that measures the amount of magnesium in your body. Magnesium is a crucial mineral that helps your nerves, muscles, and heart function properly. The test can help detect health conditions like kidney disease or malnutrition.

38 services33 patients

Iron level 83540

An iron level test measures the amount of iron in your blood. Iron is crucial for producing hemoglobin, a protein in red blood cells that carries oxygen throughout your body. This test helps identify iron deficiencies or excesses, which can lead to conditions like anemia or hemochromatosis.

34 services31 patients

Transferrin (iron binding protein) level 84466

A transferrin level test measures the amount of transferrin, a protein that carries iron, in your blood. This can help determine if your body has an iron deficiency or overload. It's a simple blood test and can provide valuable information about your overall health.

34 services31 patients

Prostate cancer screening; prostate specific antigen test (psa) G0103

Prostate cancer screening involves a simple blood test known as the Prostate Specific Antigen (PSA) test. This test measures the level of PSA in your blood. Higher than normal levels can be an early indication of prostate issues, including cancer. It's a key tool in early detection.

33 services33 patients

Removal of impacted ear wax by washing 69209

Impacted ear wax removal by washing, also known as ear irrigation, involves using a pressurized flow of water to break up and dislodge the ear wax. This safe procedure helps restore normal hearing and relieve discomfort caused by the blockage.

26 services26 patients

Psa (prostate specific antigen) measurement, free 84154

A PSA measurement, free, is a simple blood test that checks for a specific protein produced by your body. Higher levels may indicate a health concern that needs further investigation. This test is often used to monitor overall wellness.

26 services24 patients

Bacterial culture for aerobic isolates 87077

A bacterial culture for aerobic isolates is a lab test that helps identify bacteria that thrive in oxygen-rich environments. A sample from the suspected infection site is collected, then placed in a special medium that promotes bacterial growth. After a set period, the lab identifies any bacteria present, aiding in accurate diagnosis and treatment.

26 services24 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test 85027

A complete blood cell count (CBC) is an automated test that measures different components of the blood, including red cells, white cells, and platelets. It helps assess overall health, detect disorders like anemia or infection, and monitor medical treatments.

21 services20 patients

Measurement c-reactive protein for detection of infection or inflammation 86140

C-reactive protein (CRP) test is a blood test that checks for signs of inflammation or infection in the body. High levels of CRP often suggest that there's inflammation or a bacterial infection. This test helps in monitoring and managing conditions like arthritis and heart disease.

21 services19 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

20 services15 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

19 services19 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.

19 services17 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

19 services16 patients

Folic acid level, serum 82746

A Folic Acid Level, Serum test measures the amount of folic acid, a type of B vitamin, in your blood. This vitamin is important for cell growth and development. It's crucial for your body to function well. If your levels are low, it may indicate a deficiency, which can lead to health issues.

18 services18 patients

Ldl cholesterol level 83721

The LDL cholesterol level is a test that measures the amount of low-density lipoprotein (LDL) in your blood. LDL is often referred to as 'bad cholesterol' because high levels can lead to heart disease. Regular testing helps monitor and manage your heart health.

18 services18 patients

Natriuretic peptide (heart and blood vessel protein) level 83880

A natriuretic peptide level test is a blood test that helps doctors check for heart failure. It measures the amount of certain proteins that your heart and blood vessels produce when they are under stress. High levels may indicate heart disease.

16 services14 patients

Microscopic examination for white blood cells with manual cell count 85007

This is a lab test where a small sample of your blood is studied under a microscope. The goal is to count the number of white blood cells, which are crucial for your body's immune response. The count can help identify potential health issues.

16 services15 patients

Creatine kinase (cardiac enzyme) level, total 82550

The total Creatine Kinase (CK) level test is a blood test that helps assess the health of your heart. It measures an enzyme called CK that's released into the bloodstream when heart or other muscle tissue is damaged. High levels may indicate a heart attack or muscle disorder.

15 services15 patients

Red blood count, automated test 85045

An automated red blood count test is a routine lab procedure to measure the number of red blood cells in your blood. These cells carry oxygen throughout the body. The test helps assess overall health and detect conditions like anemia or polycythemia.

15 services15 patients

Bacterial urine culture 87088

A bacterial urine culture is a laboratory test that checks for bacteria in your urine. It helps identify the type of bacteria causing an infection, enabling the selection of the most effective treatment. The test involves collecting a urine sample in a sterile container.

15 services15 patients

Red blood cell sedimentation rate, to detect inflammation, automated 85652

The Red Blood Cell Sedimentation Rate is a test that helps detect inflammation in the body. It's automated, meaning a machine does the work. This test measures how fast red blood cells settle at the bottom of a tube in an hour. A faster rate may indicate inflammation.

14 services13 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85750 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

$127.71 typical visit price

range $55.44 – $168.60

Typical copayment $31.92 (range $13.86 – $42.15)

Most-billed visit code 99204

Established Patient

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

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 15

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

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

DME-Other DME · category DE017N

6 suppliers57 claims110 services$6.17 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

7 suppliers25 claims29 services$1.09 avg. paid by Medicare

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

7 suppliers28 claims28 services$32.45 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

5 suppliers17 claims17 services$76.21 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

5 suppliers14 claims31 services$29.79 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

5 suppliers14 claims84 services$15.53 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 3

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

WALGREEN CO

Pharmacy

5525 E RIVER RD
TUCSON, AZ 85750

Pima County (520) 299-7794

MR. ROBERT SCOFIELD RPH

Pharmacist

5525 E RIVER RD
TUCSON, AZ 85750

Pima County (520) 299-7794

VERONICA MICHELLE GREEN F.N.P

Nurse Practitioner (Family)

5525 E RIVER RD
TUCSON, AZ 85750

Pima County (602) 755-0800

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 Richard Rhiew's NPI number?

The NPI number for Richard Rhiew is 1346226479. It was assigned to this individual provider in the NPPES registry on December 20, 2005.

Where is Richard Rhiew located?

Richard Rhiew practices at 5525 E River Rd, Tucson, AZ 85750. The listed phone number is (520) 462-7057.

What is Richard Rhiew's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Richard Rhiew enrolled in Medicare?

Yes. Richard Rhiew is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Richard Rhiew's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Richard Rhiew reassigns Medicare benefits to 2 organizations: Arizona Community Physicians PC (Tucson, AZ) and Summit Medical Group Arizona LLC (Glendale, AZ). Each 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 Richard Rhiew's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Richard Rhiew accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Cigna HealthCare of Arizona, Inc and Oscar Health Plan, Inc. list Richard Rhiew 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.

When was this NPI record last updated?

The NPPES record for Richard Rhiew was last updated on May 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.