Marissa Rizzo, PA-C

  • Tampa, FL
  • Surgical physician assistant
NPI1447929542PAC ID6002200912
Medicare patients, 2024
55
Part D claims, 2024
92
MIPS score, 2024
95
Hospital affiliations
3
Industry payments
$20
Practice address
1 Tampa General Cir, Tampa, FL 33606
Practice phone
Call (813) 844-7000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Tampa General Hospital

Hospital · Tampa, Florida

See all 6 affiliations

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Marissa Rizzo is a surgical physician assistant in Tampa, Florida

Marissa Rizzo practices at Tampa General Hospital in Tampa, Florida, part of Tampa General Hospital.

Marissa Rizzo's NPI, 1447929542, was assigned on September 10, 2021. Marissa Rizzo holds Florida license PA9114944.

NPI and contact details
Medicare PAC ID
6002200912
NPI enumeration date
September 10, 2021
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(813) 844-7000
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
31
Medical school graduation
2021

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

Marissa Rizzo practices at Tampa General Hospital in Tampa, Florida

Marissa Rizzo's primary practice is Tampa General Hospital, at 1 Tampa General Cir, Tampa, FL 33606 in Hillsborough County. The practice phone is (813) 844-7000.

Source: Dmand AI Affiliation Data

Marissa Rizzo is affiliated with 3 sites of care and 3 medical groups

Marissa Rizzo's primary practice is Tampa General Hospital in Tampa, Florida, part of Tampa General Hospital. Marissa Rizzo is also affiliated with AdventHealth Tampa. The medical group on file is USF Therapy Services. Dmand AI also links Marissa Rizzo to 1 more hospital and 2 medical groups, each named with a free account.

See all 6 affiliations for Marissa Rizzo

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Marissa Rizzo's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Marissa Rizzo practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Tampa General HospitalAvailable with a free account
+2 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Marissa Rizzo is one of 1,065 surgical physician assistants in Florida

Surgical is Marissa Rizzo's primary specialty in the NPI Registry, under taxonomy code 363AS0400X. Marissa Rizzo is licensed in Florida.

Specialties and state licenses

  • Surgical physician assistant, FloridaPrimaryLicense PA9114944 · taxonomy 363AS0400X

Surgical physician assistants near Marissa Rizzo

Counts of surgical physician assistants 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

Marissa Rizzo treated 55 Medicare patients in 2024, average age 64

CMS counts 55 Medicare patients who saw Marissa Rizzo in 2024. The largest group is under 65, with 20 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 36% are also on Medicaid. Their average risk score is 1.79, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Marissa Rizzo's median patient age at 52, with 60% women.

Medicare patients, 202455
Average age64
Average risk score1.79
Also on Medicaid36%

Marissa Rizzo's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Marissa Rizzo's Medicare patients by sex, 2024

  • Women3360%
  • Men2240%

Chronic conditions among Marissa Rizzo's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis49%
  4. Mood disorders45%
  5. Anxiety42%
  6. Diabetes40%
  7. Depression38%
  8. Ischemic heart disease29%

Share of Medicare patients with each condition. A patient can have several.

Marissa 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 52

Patient panel by sex, all payers

  • Women60%
  • Men39%

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

Marissa Rizzo wrote 92 Medicare Part D claims in 2024

In 2024, Marissa Rizzo wrote 92 Medicare Part D claims for 71 patients. 95% of them were for generic drugs.

Part D claims, 202492
Part D patients71

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

  • Generic87 claims95%
  • Brand-name and other5 claims5%

Drug classes CMS tracks in Marissa Rizzo's Part D claims, 2024

  • Antibiotics39%36 of 92 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Marissa Rizzo scored 95 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Marissa Rizzo for performance year 2024, reported as part of a group. Marissa Rizzo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Marissa Rizzo's MIPS scores, performance year 2024

  • 95of 100Final score
  • 90of 100Quality
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Marissa Rizzo received $20 in industry payments in 2025

CMS Open Payments shows 1 general payment to Marissa Rizzo from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $20.

Companies that paid Marissa Rizzo the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Marissa Rizzo

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

Sources for Marissa 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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
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 (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
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 Marissa 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 Marissa Rizzo's NPI number?

Marissa Rizzo's NPI number is 1447929542. It was assigned on September 10, 2021, and it is active in the NPI Registry.

What does Marissa Rizzo specialize in?

Marissa Rizzo is a surgical physician assistant in Tampa, Florida. The primary specialty in the NPI Registry is Surgical Physician Assistant (taxonomy code 363AS0400X).

Where does Marissa Rizzo practice?

Marissa Rizzo practices at 1 Tampa General Cir, Tampa, FL 33606. Marissa Rizzo's primary practice is Tampa General Hospital in Tampa, Florida, part of Tampa General Hospital. Dmand AI also links Marissa Rizzo to 1 hospital and 2 medical groups.

What is Marissa Rizzo's office phone number?

The practice phone on file for Marissa Rizzo is (813) 844-7000.

What is Marissa Rizzo's medical license number?

Marissa Rizzo holds Florida license PA9114944.

Which hospitals is Marissa Rizzo affiliated with?

Marissa Rizzo practices at Tampa General Hospital in Tampa, Florida. Marissa Rizzo is also affiliated with AdventHealth Tampa. Dmand AI links Marissa Rizzo to 1 more hospital.

What medical group is Marissa Rizzo part of?

Marissa Rizzo is linked to USF Therapy Services. Dmand AI links Marissa Rizzo to 2 more medical groups.

Does Marissa Rizzo accept Medicare?

Yes. CMS lists Marissa Rizzo as accepting Medicare assignment.

What is Marissa Rizzo's MIPS score?

Marissa Rizzo's MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.

How many Medicare patients does Marissa Rizzo see?

CMS counts 55 Medicare patients who saw Marissa Rizzo in 2024, with an average age of 64.

Has Marissa Rizzo received payments from drug or device companies?

CMS Open Payments shows $20 in general payments to Marissa Rizzo from 1 company from 2025 to 2025. The largest total came from Medtronic, Inc.

How long has Marissa Rizzo been practicing?

Marissa Rizzo graduated from medical school in 2021, 5 years ago.

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