Dr. Robert A. Rizza, MD

  • Rochester, MN
  • Endocrinologist
NPI1942289947
Medicare services, 2017
41
Part D claims, 2018
14
Publications
56
Industry payments
$248,012
State license
1
Practice address
200 1st St Sw, Rochester, MN 55905-0001
Practice phone
Call (507) 284-2511
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. Robert A. Rizza is an endocrinologist in Rochester, Minnesota

Dr. Rizza practices in Rochester, Minnesota.

Dr. Rizza's NPI, 1942289947, was assigned on January 10, 2006. Dr. Rizza holds Minnesota license 22637.

NPI and contact details
NPI enumeration date
January 10, 2006
NPI status
Active
Practice phone
(507) 284-2511
Professional email
Get email
Personal email
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Mobile number
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Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

Dr. Robert A. Rizza's practice address is in Rochester, Minnesota

Dr. Rizza's practice address in the NPI Registry is 200 1st St Sw, Rochester, MN 55905-0001. The practice phone is (507) 284-2511.

  • NPI Registry address
    200 1st St Sw, Rochester, MN 55905-0001Phone(507) 284-2511

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. Robert A. Rizza's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rizza practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dr. Rizza's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Robert A. Rizza is one of 152 endocrinologists in Minnesota

Endocrinology, diabetes and metabolism is Dr. Rizza's primary specialty in the NPI Registry, under taxonomy code 207RE0101X. Dr. Rizza is licensed in Minnesota.

Specialties and state licenses

  • Endocrinology, diabetes and metabolism, MinnesotaPrimaryLicense 22637 · taxonomy 207RE0101X

Endocrinologists near Dr. Rizza

Counts of endocrinologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Robert A. Rizza billed Medicare for 41 services in 2017

CMS data shows 41 Medicare services from Dr. Rizza across 2 procedure codes in 2017, all of them office visits. Medicare paid $1,805 for them. Every service was in an office.

Medicare services, 201741
Paid by Medicare$1,805
Procedure codes2

Dr. Rizza's Medicare services by type, 2016 to 2017

  • 2016
  • 2017
Office and hospital visits
2016: 712017: 4142%
Other services
2016: 1072017: 0100%

Dr. Rizza compared with the Minnesota median for endocrinologists, 2017

  • Dr. Rizza
  • Minnesota median
Medicare services
41vs 35188% below
Part D claims
14vs 64398% below

Medians across 157 endocrinologists in Minnesota with Dmand AI profiles that report each measure.

Dr. Rizza's most billed Medicare procedure codes, 2017

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Robert A. Rizza wrote 14 Medicare Part D claims in 2018

In 2018, Dr. Rizza wrote 14 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $136 in total drug cost. In 2017, CMS named 193 claims across 8 drugs.

Part D claims, 201814
Drugs named by CMS1
Total drug cost$136

Dr. Rizza's most prescribed drugs by claims, 2018

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2017 to 2018

  • 2017
  • 2018
Claims for drugs CMS names
2017: 1932018: 1493%

Drugs named by CMS: 1 in 2018, 8 in 2017.

See all prescribing by Dr. Rizza

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Robert A. Rizza has 56 publications on record

Dmand AI links 56 papers to Dr. Rizza, published from 2004 to 2023. 2015 was the busiest year, with 6. The most frequent topics are Insulin, Blood Glucose and Glucose Clamp Technique. Dr. Rizza has published most often in J Clin Endocrinol Metab. Dr. Rizza's most frequent co-authors are Ananda Basu, MD, Peter Cawood Butler, MD and Meera Shah, MD.

Papers56
Years published2004 to 2023

Dr. Rizza's papers by year, 2013 to 2023

Topics Dr. Rizza writes about most

  • Insulin
  • Blood Glucose
  • Glucose Clamp Technique
  • Glucose Tolerance Test
  • Diabetes Mellitus, Type 2
  • Insulin Resistance
  • C-Peptide
  • Glucagon

Dr. Rizza's most frequent co-authors

Recent publications by Dr. Rizza

See all 56 publications and co-authors

See who Dr. Rizza researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Rizza works with, so you can find a warm path to the right endocrinologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Robert A. Rizza received $248,012 in industry payments from 2016 to 2021

CMS Open Payments shows 134 general payments to Dr. Rizza from 6 drug and device companies from 2016 to 2021. Consulting fees make up the largest share, 53% of the total. Novo Nordisk AS paid the most, $154,222. It also lists 4 research payments totaling $33,698 from 2017 to 2020.

General payments to Dr. Rizza by program year, 2016 to 2021

General payments to Dr. Rizza by kind, 2016 to 2021

$248Kin total
  • Consulting fees$132,60753%
  • Travel and lodging$104,29342%
  • Honoraria$6,6003%
  • Food and beverage$4,5132%

Companies that paid Dr. Rizza the most, 2016 to 2021

Share is of all general payments to this clinician.

See all payments to Dr. Rizza

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Robert A. Rizza's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Robert A. Rizza

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Robert A. Rizza's NPI number?

Dr. Robert A. Rizza's NPI number is 1942289947. It was assigned on January 10, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert A. Rizza?

Dr. Robert A. Rizza is an endocrinologist in Rochester, Minnesota. The primary specialty in the NPI Registry is Endocrinology, Diabetes & Metabolism Physician (taxonomy code 207RE0101X).

Where does Dr. Robert A. Rizza practice?

Dr. Rizza practices at 200 1st St Sw, Rochester, MN 55905-0001.

What is Dr. Robert A. Rizza's office phone number?

The practice phone on file for Dr. Rizza is (507) 284-2511.

What is Dr. Robert A. Rizza's medical license number?

Dr. Rizza holds Minnesota license 22637.

Does Dr. Robert A. Rizza accept Medicare?

Yes. CMS data shows Dr. Rizza billed Medicare for 41 services in 2017.

What services does Dr. Robert A. Rizza bill to Medicare?

In 2017, Dr. Rizza's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99211).

What drugs does Dr. Robert A. Rizza prescribe most?

In 2018 Medicare Part D data, Dr. Rizza's most prescribed drugs by claims were Metformin HCl.

Has Dr. Robert A. Rizza received payments from drug or device companies?

CMS Open Payments shows $248,012 in general payments to Dr. Rizza from 6 companies from 2016 to 2021. The largest total came from Novo Nordisk AS.

How long has Dr. Robert A. Rizza been practicing?

Dr. Rizza's NPI was assigned in 2006.

Does Dr. Robert A. Rizza do research?

Dmand AI links 56 publications to Dr. Rizza, published from 2004 to 2023.

Who does Dr. Robert A. Rizza publish with?

Dr. Rizza's most frequent co-authors are Ananda Basu, MD (13 shared papers), Peter Cawood Butler, MD (7 shared papers) and Meera Shah, MD (7 shared papers).

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