Paul Christopher Duff

  • Orange Park, FL
  • Physician assistant
NPI1821092503PAC ID1456361088
Medicare services, 2024
1,075
Medicare patients, 2024
236
Part D claims, 2024
1,820
Hospital affiliations
1
Industry payments
$20,567
Practice address
705 Wells Rd, Orange Park, FL 32073
Practice phone
Call (904) 282-6331
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Coastal Health

Orange Park, Florida

See all 4 affiliations

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Paul Christopher Duff is a physician assistant in Orange Park, Florida

Paul Duff practices at Coastal Health in Orange Park, Florida.

Paul Duff's NPI, 1821092503, was assigned on June 9, 2005. Paul Duff holds Florida license PA2397.

NPI and contact details
Medicare PAC ID
1456361088
NPI enumeration date
June 9, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(904) 282-6331
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
64
Medical school graduation
1988

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

Paul Christopher Duff practices at Coastal Health in Orange Park, Florida

Paul Duff's primary practice is Coastal Health, at 705 Wells Rd, Orange Park, FL 32073 in Clay County. The practice phone is (904) 282-6331.

  • Coastal Health
    705 Wells Rd, Orange Park, FL 32073 · Clay CountyPhone(904) 282-6331

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

Paul Christopher Duff is affiliated with 3 sites of care and 1 medical group

Paul Duff's primary practice is Coastal Health in Orange Park, Florida. Paul Duff is also affiliated with Baptist Medical Center Beaches. The medical group on file is Coastal Health. Dmand AI also links Paul Duff to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Paul Duff

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

Dmand AI tracks the EHR system at Paul Christopher Duff's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Paul Duff practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Coastal HealthAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Paul Christopher Duff is one of 1,969 physician assistants in Florida

Medical is Paul Duff's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Paul Duff is board certified in 1991 - 2024 by the FL State PA License. Paul Duff is licensed in Florida.

Specialties and state licenses

  • Medical physician assistant, FloridaPrimaryLicense PA2397 · taxonomy 363AM0700X

Clinical focus

Dmand AI lists fibromyalgia and chronic pain and lower back pain among the conditions Paul Duff treats.

Physician assistants near Paul Duff

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

1,969physician assistants in Florida
7physician assistants in Orange Park

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

Paul Christopher Duff billed Medicare for 1,075 services in 2024

CMS data shows 1,075 Medicare services from Paul Duff across 3 procedure codes in 2024, for 236 Medicare patients. Medicare paid $115,306 for them. Every service was in an office.

Medicare services, 20241,075
Medicare patients236
Paid by Medicare$115,306
Procedure codes3

Paul Duff's Medicare services by type, 2024

  1. Lab and pathology538
  2. Other services537

Paul Duff compared with the Florida median for physician assistants, 2024

  • Paul Duff
  • Florida median
Medicare services
1,075vs 3603.0 times
Medicare patients
236vs 14662% above
Part D claims
1,714vs 4124.2 times

Medians across 1,355 physician assistants in Florida with Dmand AI profiles that report each measure.

Paul Duff'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.

See all procedures by Paul Duff

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Medicare shows one payer. Book a meeting to get commercial claims data for Paul Duff and other physician assistants in Florida.

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

Paul Christopher Duff treated 236 Medicare patients in 2024, average age 71

CMS counts 236 Medicare patients who saw Paul Duff in 2024. The largest group is 65 to 74, with 102 patients. 75% of them have arthritis, and 75% have high blood pressure. 10% are also on Medicaid. Their average risk score is 1.73, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Paul Duff's median patient age at 67, with 57% women.

Medicare patients, 2024236
Average age71
Average risk score1.73
Also on Medicaid10%

Paul Duff's Medicare patients by age, 2024

Paul Duff's Medicare patients by sex, 2024

  • Women14059%
  • Men9641%

Chronic conditions among Paul Duff's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Mood disorders47%
  5. Depression45%
  6. Anxiety44%
  7. Diabetes42%
  8. Alcohol and drug use disorders37%

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

Paul Duff's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women57%
  • Men41%

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

Paul Christopher Duff wrote 1,820 Medicare Part D claims in 2024

In 2024, Paul Duff wrote 1,820 Medicare Part D claims for 386 patients. 92% of them were for generic drugs. CMS names the drug for 1,714 of them, across 23 drugs with 11 or more claims each, at $92,957 in total drug cost.

Part D claims, 20241,820
Drugs named by CMS23
Total drug cost$92,957
Part D patients386

Paul Duff's Part D claims by kind of drug, 2024

  • Generic1,683 claims92%
  • Brand-name137 claims8%

Paul Duff'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.

See all prescribing by Paul Duff

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

How Paul Christopher Duff takes part in Medicare

Paul Duff accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Paul Christopher Duff received $20,567 in industry payments from 2024 to 2025

CMS Open Payments shows 225 general payments to Paul Duff from 27 drug and device companies from 2024 to 2025. Speaker and faculty fees make up the largest share, 38% of the total. Medtronic, Inc. paid the most, $16,542.

General payments to Paul Duff by program year, 2024 to 2025

General payments to Paul Duff by kind, 2024 to 2025

$20.6Kin total
  • Speaker and faculty fees$7,85638%
  • Food and beverage$7,54537%
  • Travel and lodging$5,16625%

Companies that paid Paul Duff the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Paul Duff

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

Paul Christopher Duff is board certified in 1991 - 2024

  1. Board certified in 1991 - 2024FL State PA License
  2. Board certified in certified physician assistantNational Commission on Certification of Physician Assistants (NCCPA)

Source: Dmand AI Professional Profile Data

Sources for Paul Christopher Duff'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)
Training, board certification and membershipsDmand AI Professional Profile 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 Paul Christopher Duff

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

What is Paul Christopher Duff's NPI number?

Paul Christopher Duff's NPI number is 1821092503. It was assigned on June 9, 2005, and it is active in the NPI Registry.

What does Paul Christopher Duff specialize in?

Paul Christopher Duff is a physician assistant in Orange Park, Florida. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).

Where does Paul Christopher Duff practice?

Paul Duff practices at 705 Wells Rd, Orange Park, FL 32073. Paul Duff's primary practice is Coastal Health in Orange Park, Florida. Dmand AI also links Paul Duff to 1 group practice or clinic.

What is Paul Christopher Duff's office phone number?

The practice phone on file for Paul Duff is (904) 282-6331.

What is Paul Christopher Duff's medical license number?

Paul Duff holds Florida license PA2397.

Which hospitals is Paul Christopher Duff affiliated with?

Paul Duff is affiliated with Baptist Medical Center Beaches.

What medical group is Paul Christopher Duff part of?

Paul Duff is linked to Coastal Health.

Does Paul Christopher Duff accept Medicare?

Yes. CMS data shows Paul Duff billed Medicare for 1,075 services in 2024, and Paul Duff accepts Medicare assignment.

How many Medicare patients does Paul Christopher Duff see?

CMS counts 236 Medicare patients who saw Paul Duff in 2024, with an average age of 71.

Is Paul Christopher Duff board certified?

Yes. Paul Duff is board certified in 1991 - 2024 by the FL State PA License.

Show 4 more questionsShow fewer questions

What services does Paul Christopher Duff bill to Medicare?

In 2024, Paul Duff's most billed Medicare services were lab and pathology test (80307), medicare service (G0481) and medicare service (G0482).

What drugs does Paul Christopher Duff prescribe most?

In 2024 Medicare Part D data, Paul Duff's most prescribed drugs by claims were Gabapentin, Tizanidine HCl and Methocarbamol.

Has Paul Christopher Duff received payments from drug or device companies?

CMS Open Payments shows $20,567 in general payments to Paul Duff from 27 companies from 2024 to 2025. The largest total came from Medtronic, Inc.

How long has Paul Christopher Duff been practicing?

Paul Duff graduated from medical school in 1988, 38 years ago.

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