Dr. Gerald Joseph Rizzo, MD

  • Hudson, FL
  • Nephrologist
NPI1801870407
Medicare services, 2023
240
Medicare patients, 2024
11
Part D claims, 2024
169
Industry payments
$2,141
Affiliated sites
1
Practice address
1201 5th Ave N, Saint Petersburg, FL 33705-1400
Practice phone
Call (727) 821-2388
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Alan R Lustig

Medical specialty practice · Saint Petersburg, Florida

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Dr. Gerald Joseph Rizzo is a nephrologist in Hudson, Florida

Dr. Rizzo practices at Alan R Lustig in Saint Petersburg, Florida.

Dr. Rizzo's NPI, 1801870407, was assigned on December 6, 2005. Dr. Rizzo graduated from University of Alabama School of Medicine in 1974. Dr. Rizzo holds Florida license ME0027777.

NPI and contact details
NPI enumeration date
December 6, 2005
NPI status
Active
Practice phone
(727) 821-2388
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
78
Medical school graduation
1974

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Gerald Joseph Rizzo practices in Saint Petersburg and Hudson

Dr. Rizzo's primary practice is Alan R Lustig, at 1201 5th Ave N, Saint Petersburg, FL 33705-1400. The practice phone is (727) 821-2388. The NPI Registry lists Dr. Rizzo's practice address as 14134 Nephron Ln, Hudson, FL 34667.

  • Alan R LustigPrimary
    1201 5th Ave N, Saint Petersburg, FL 33705-1400Phone(727) 821-2388
  • NPI Registry address
    14134 Nephron Ln, Hudson, FL 34667 · Pasco CountyPhone(727) 821-2388

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data

Dr. Gerald Joseph Rizzo is affiliated with 1 site of care and 1 medical group

Dr. Rizzo's primary practice is Alan R Lustig in Saint Petersburg, Florida. Dmand AI also links Dr. Rizzo to 1 medical group, named with a free account.

Alan R LustigMedical specialty practice · Saint Petersburg, FloridaPrimary
1 medical groupName with a free account
See all 2 affiliations for Dr. Rizzo

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Dr. Gerald Joseph Rizzo's practice

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

EHR by site
SiteEHR vendor and product
Alan R LustigAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gerald Joseph Rizzo is one of 917 nephrologists in Florida

Nephrology is Dr. Rizzo's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Rizzo is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Rizzo's licenses on file in 2 states: Florida and Massachusetts.

Specialties and state licenses

  • Nephrology, FloridaPrimaryLicense ME0027777 · 1976 to 2027 · taxonomy 207RN0300X
  • Massachusetts license1998 to 2011

Clinical focus

Dmand AI lists chronic kidney disease among the conditions Dr. Rizzo treats.

Nephrologists near Dr. Rizzo

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

917nephrologists in Florida
4nephrologists in Hudson

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

Dr. Gerald Joseph Rizzo billed Medicare for 240 services in 2023

CMS data shows 240 Medicare services from Dr. Rizzo across 4 procedure codes in 2023, for 11 Medicare patients. Medicare paid $37,287 for them. Every service was in an office.

Medicare services, 2023240
Medicare patients11
Paid by Medicare$37,287
Procedure codes4

Dr. Rizzo's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Tests and treatments
2022: 2262023: 16029%
Office and hospital visits
2022: 1422023: 8044%

Dr. Rizzo compared with the Florida median for nephrologists, 2023

  • Dr. Rizzo
  • Florida median
Medicare services
240vs 1,49084% below
Medicare patients
11vs 38797% below
Part D claims
47vs 93495% below

Medians across 882 nephrologists in Florida with Dmand AI profiles that report each measure.

Dr. Rizzo's most billed Medicare procedure codes, 2023

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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rizzo and other nephrologists in Florida.

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

Dr. Gerald Joseph Rizzo treated 11 Medicare patients in 2024, average age 64

CMS counts 11 Medicare patients who saw Dr. Rizzo in 2024. Their average risk score is 9.63, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Rizzo's median patient age at 72, with 25% women.

Medicare patients, 202411
Average age64
Average risk score9.63

Dr. Rizzo's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women25%
  • Men75%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Gerald Joseph Rizzo wrote 169 Medicare Part D claims in 2024

In 2024, Dr. Rizzo wrote 169 Medicare Part D claims for 42 patients. 81% of them were for generic drugs. CMS names the drug for 47 of them, across 3 drugs with 11 or more claims each, at $48,651 in total drug cost. In 2023, CMS named 700 claims across 21 drugs.

Part D claims, 2024169
Drugs named by CMS3
Total drug cost$48,651
Part D patients42

Dr. Rizzo's Part D claims by kind of drug, 2024

  • Generic137 claims81%
  • Brand-name32 claims19%

Dr. Rizzo's most prescribed drugs by claims, 2024

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, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 7002024: 4793%

Drugs named by CMS: 3 in 2024, 21 in 2023.

See all prescribing by Dr. Rizzo

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

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Dr. Gerald Joseph Rizzo received $2,141 in industry payments from 2016 to 2024

CMS Open Payments shows 23 general payments to Dr. Rizzo from 10 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $669.

General payments to Dr. Rizzo by program year, 2016 to 2024

Companies that paid Dr. Rizzo the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Rizzo

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

Dr. Gerald Joseph Rizzo graduated from University of Alabama School of Medicine

Dr. Rizzo graduated from University of Alabama School of Medicine in 1974.

  1. Medical schoolUniversity of Alabama School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in nephrologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Gerald Joseph Rizzo accepts plans from 11 insurance carriers

Dr. Rizzo is in network with 11 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

Plan types Dr. Rizzo accepts, by number of carriers

  1. PPO10
  2. Medicare9
  3. HMO6
  4. POS4
  5. EPO3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Gerald Joseph Rizzo'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
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
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
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. Gerald Joseph Rizzo

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. Gerald Joseph Rizzo's NPI number?

Dr. Gerald Joseph Rizzo's NPI number is 1801870407. It was assigned on December 6, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Gerald Joseph Rizzo?

Dr. Gerald Joseph Rizzo is a nephrologist in Hudson, Florida. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Gerald Joseph Rizzo practice?

Dr. Rizzo practices at 1201 5th Ave N, Saint Petersburg, FL 33705-1400. Dr. Rizzo also practices at 14134 Nephron Ln, Hudson, FL 34667. Dr. Rizzo's primary practice is Alan R Lustig in Saint Petersburg, Florida. Dmand AI also links Dr. Rizzo to 1 medical group.

What is Dr. Gerald Joseph Rizzo's office phone number?

The practice phone on file for Dr. Rizzo is (727) 821-2388.

What is Dr. Gerald Joseph Rizzo's medical license number?

Dr. Rizzo holds Florida license ME0027777, one of the licenses on file in 2 states.

Which states has Dr. Gerald Joseph Rizzo been licensed in?

Dmand AI has state licenses on file for Dr. Rizzo in Florida (1976 to 2027) and Massachusetts (1998 to 2011).

Does Dr. Gerald Joseph Rizzo accept Medicare?

Yes. CMS data shows Dr. Rizzo billed Medicare for 240 services in 2023.

How many Medicare patients does Dr. Gerald Joseph Rizzo see?

CMS counts 11 Medicare patients who saw Dr. Rizzo in 2024, with an average age of 64.

Is Dr. Gerald Joseph Rizzo board certified?

Yes. Dr. Rizzo is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Gerald Joseph Rizzo bill to Medicare?

In 2023, Dr. Rizzo's most billed Medicare services were dialysis (90961), office visit, established patient (99213) and office visit, established patient (99214).

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Where did Dr. Gerald Joseph Rizzo go to medical school?

Dr. Rizzo graduated from University of Alabama School of Medicine in 1974.

What drugs does Dr. Gerald Joseph Rizzo prescribe most?

In 2024 Medicare Part D data, Dr. Rizzo's most prescribed drugs by claims were Velphoro, Lisinopril and Sevelamer Carbonate.

Has Dr. Gerald Joseph Rizzo received payments from drug or device companies?

CMS Open Payments shows $2,141 in general payments to Dr. Rizzo from 10 companies from 2016 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Gerald Joseph Rizzo been practicing?

Dr. Rizzo graduated from medical school in 1974, 52 years ago.

What insurance does Dr. Gerald Joseph Rizzo accept?

Dr. Rizzo is in network with 11 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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