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Edit this profilePaul C. Duff is a physician assistant — medical based in Orange Park, FL. Medicare claims data shows Paul provided 1,075 services to 499 patients. The services billed most often include testing for presence of drug, by chemistry analyzers, drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/m, and drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/m. The provider's National Provider Identifier (NPI) is 1821092503.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1564 KINGSLEY AVE STE 300
Orange Park, FL 32073
Within Physician Assistant - Medical generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Allergies
Blood
Bone and joint
Digestive
Digestive health
Ear, Nose & Throat
Endocrine
Eye Care
Foot and ankle
General Health
Hair and scalp
Headache and brain
Heart & Circulation
Hormones
Infections
Injury
Men's Health
Mental Health
Metabolic
Nerve conditions
Neurology
Pain
Respiratory
Sexual Health
Skin
Skin cancer
Skin conditions
Sleep
Women's Health
Most searched procedures
Allergies
Counseling
Dermatology
Diagnostic Tests
Ear, Nose & Throat
Evaluations
Exams
General Care
Heart & Circulation
Heart health
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Injury Care
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Women's health
1,075 services · 499 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Testing for presence of drug, by chemistry analyzers | Lab test | 80307 |
538 | More than most peers in Physician Assistant — Medical |
| Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/m | Billing code | G0481 |
484 | More than most peers in Physician Assistant — Medical |
| Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/m | Billing code | G0482 |
53 | As often as other peers in Physician Assistant — Medical |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Paul C. Duff is a physician assistant in Orange Park, FL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Physician Assistant — Medical”.
NPI registry
Paul C. Duff is listed at 1564 Kingsley Ave Ste 300, Orange Park, FL 32073. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (904) 264-8801. Contact the office directly to confirm availability and scheduling.
NPI registry
Paul C. Duff's National Provider Identifier is 1821092503. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Paul C. Duff attended Other, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
Paul C. Duff has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Paul C. Duff the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Paul C. Duff. If this is you, claiming it is free.
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