Clerissa C. Mahon, APRN

  • Jacksonville, FL
  • Nurse practitioner
NPI1518340611PAC ID4789998675
Medicare services, 2024
682
Medicare patients, 2024
151
Part D claims, 2024
658
Hospital affiliations
4
Industry payments
$869
Practice address
1301 Palm Ave, Jacksonville, FL 32207
Practice phone
Call (904) 202-7300
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Baptist MD Anderson Cancer Physicians

Jacksonville, Florida

See all 7 affiliations

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Clerissa C. Mahon is a nurse practitioner in Jacksonville, Florida

Clerissa Mahon practices at Baptist MD Anderson Cancer Physicians in Jacksonville, Florida.

Clerissa Mahon's NPI, 1518340611, was assigned on July 7, 2015. Clerissa Mahon holds Florida license APRN11031981.

NPI and contact details
Medicare PAC ID
4789998675
NPI enumeration date
July 7, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(904) 202-7300
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
34
Medical school graduation
2018

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

Clerissa C. Mahon practices at Baptist MD Anderson Cancer Physicians in Jacksonville, Florida

Clerissa Mahon's primary practice is Baptist MD Anderson Cancer Physicians, at 1301 Palm Ave, Jacksonville, FL 32207 in Duval County. The practice phone is (904) 202-7300.

  • Baptist MD Anderson Cancer Physicians
    1301 Palm Ave, Jacksonville, FL 32207 · Duval CountyPhone(904) 202-7300

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

Clerissa C. Mahon is affiliated with 6 sites of care and 1 medical group

Clerissa Mahon's primary practice is Baptist MD Anderson Cancer Physicians in Jacksonville, Florida. Clerissa Mahon is also affiliated with Baptist Medical Center Jacksonville. The medical group on file is Baptist MD Anderson Cancer Physicians. Dmand AI also links Clerissa Mahon to 3 more hospitals and 1 group practice or clinic, each named with a free account.

See all 7 affiliations for Clerissa Mahon

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

Dmand AI tracks the EHR system at Clerissa C. Mahon's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Clerissa Mahon practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Baptist MD Anderson Cancer PhysiciansAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Clerissa C. Mahon is one of 5,914 nurse practitioners in Florida

Nurse practitioner is Clerissa Mahon's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Dmand AI has Clerissa Mahon's licenses on file in 3 states: Florida, New Jersey and New York.

Specialties and state licenses

  • Nurse practitioner, FloridaPrimaryLicense APRN11031981 · taxonomy 363L00000X
  • New Jersey licenseLicense 26NJ00591000
  • Family nurse practitioner, New YorkLicense F339432-1 · taxonomy 363LF0000X

Clinical focus

Dmand AI lists fluid and electrolyte imbalances and UTI among the conditions Clerissa Mahon treats.

Nurse practitioners near Clerissa Mahon

Counts of nurse practitioners 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

Clerissa C. Mahon billed Medicare for 682 services in 2024

CMS data shows 682 Medicare services from Clerissa Mahon across 16 procedure codes in 2024, for 151 Medicare patients. Medicare paid $22,590 for them. Every service was in an office.

Medicare services, 2024682
Medicare patients151
Paid by Medicare$22,590
Procedure codes16

Clerissa Mahon's Medicare services by type, 2024

  1. Lab and pathology460
  2. Office and hospital visits222

Clerissa Mahon compared with the Florida median for nurse practitioners, 2024

  • Clerissa Mahon
  • Florida median
Medicare services
682vs 36686% above
Medicare patients
151vs 12521% above
Part D claims
428vs 410Close to median

Medians across 3,670 nurse practitioners in Florida with Dmand AI profiles that report each measure.

Clerissa Mahon's most billed Medicare procedure codes, 2024

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

Clerissa C. Mahon treated 151 Medicare patients in 2024, average age 73

CMS counts 151 Medicare patients who saw Clerissa Mahon in 2024. The largest group is 65 to 74, with 84 patients. 75% of them have cancer, and 75% have high blood pressure. Their average risk score is 1.75, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Clerissa Mahon's median patient age at 72, with 98% women.

Medicare patients, 2024151
Average age73
Average risk score1.75

Clerissa Mahon's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Clerissa Mahon's Medicare patients by sex, 2024

  • Women12482%
  • Men2718%

Chronic conditions among Clerissa Mahon's Medicare patients, 2024

  1. Cancer75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Arthritis47%
  5. Osteoporosis32%
  6. Diabetes30%
  7. Ischemic heart disease28%
  8. Mood disorders26%

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

Clerissa Mahon'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

  • Women98%
  • Men1%

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

Clerissa C. Mahon wrote 658 Medicare Part D claims in 2024

In 2024, Clerissa Mahon wrote 658 Medicare Part D claims for 170 patients. 77% of them were for generic drugs. CMS names the drug for 428 of them, across 22 drugs with 11 or more claims each, at $711,860 in total drug cost.

Part D claims, 2024658
Drugs named by CMS22
Total drug cost$711,860
Part D patients170

Clerissa Mahon's Part D claims by kind of drug, 2024

  • Generic509 claims77%
  • Brand-name149 claims23%

Clerissa Mahon'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.

Drug classes CMS tracks in Clerissa Mahon's Part D claims, 2024

  • Opioids5%34 of 658 claims
  • Antibiotics4%28 of 658 claims

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

See all prescribing by Clerissa Mahon

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

Clerissa C. Mahon offers telehealth to Medicare patients

Clerissa Mahon accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Clerissa Mahon as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Clerissa C. Mahon received $869 in industry payments in 2024

CMS Open Payments shows 35 general payments to Clerissa Mahon from 13 drug and device companies in 2024. Food and beverage make up the largest share, 92% of the total. Merck Sharp & Dohme Corporation paid the most, $235.

General payments to Clerissa Mahon by kind, 2024 to 2024

$869in total
  • Food and beverage$79992%
  • Education$708%

Companies that paid Clerissa Mahon the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Clerissa Mahon

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

Sources for Clerissa C. Mahon'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
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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
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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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 Clerissa C. Mahon

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

What is Clerissa C. Mahon's NPI number?

Clerissa C. Mahon's NPI number is 1518340611. It was assigned on July 7, 2015, and it is active in the NPI Registry.

What does Clerissa C. Mahon specialize in?

Clerissa C. Mahon is a nurse practitioner in Jacksonville, Florida. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Clerissa C. Mahon practice?

Clerissa Mahon practices at 1301 Palm Ave, Jacksonville, FL 32207. Clerissa Mahon's primary practice is Baptist MD Anderson Cancer Physicians in Jacksonville, Florida. Dmand AI also links Clerissa Mahon to 3 hospitals and 1 group practice or clinic.

What is Clerissa C. Mahon's office phone number?

The practice phone on file for Clerissa Mahon is (904) 202-7300.

What is Clerissa C. Mahon's medical license number?

Clerissa Mahon holds Florida license APRN11031981, one of the licenses on file in 3 states.

Which states has Clerissa C. Mahon been licensed in?

Dmand AI has state licenses on file for Clerissa Mahon in Florida, New Jersey and New York.

Which hospitals is Clerissa C. Mahon affiliated with?

Clerissa Mahon is affiliated with Baptist Medical Center Jacksonville. Dmand AI links Clerissa Mahon to 3 more hospitals.

What medical group is Clerissa C. Mahon part of?

Clerissa Mahon is linked to Baptist MD Anderson Cancer Physicians.

Does Clerissa C. Mahon accept Medicare?

Yes. CMS data shows Clerissa Mahon billed Medicare for 682 services in 2024, and Clerissa Mahon accepts Medicare assignment.

Does Clerissa C. Mahon offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Clerissa Mahon as offering telehealth services.

Show 5 more questionsShow fewer questions

How many Medicare patients does Clerissa C. Mahon see?

CMS counts 151 Medicare patients who saw Clerissa Mahon in 2024, with an average age of 73.

What services does Clerissa C. Mahon bill to Medicare?

In 2024, Clerissa Mahon's most billed Medicare services were office visit, established patient (99214), lab and pathology test (85025) and lab and pathology test (82150).

What drugs does Clerissa C. Mahon prescribe most?

In 2024 Medicare Part D data, Clerissa Mahon's most prescribed drugs by claims were Anastrozole, Xarelto and Eliquis.

Has Clerissa C. Mahon received payments from drug or device companies?

CMS Open Payments shows $869 in general payments to Clerissa Mahon from 13 companies from 2024 to 2024. The largest total came from Merck Sharp & Dohme Corporation.

How long has Clerissa C. Mahon been practicing?

Clerissa Mahon graduated from medical school in 2018, 8 years ago.

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