Provider Profile
Listed in the NPI registry as a physician assistant, Erin C. Duffy, PA-C practices in Capitola, CA. Medicare claims data shows Erin provided 1,302 services to 1,208 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1820 41ST AVE STE C
Capitola, CA 95010
1,302 services · 1,208 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
17 | Less often than most peers in Physician Assistant |
| Removal of impacted ear wax by washing | Procedure | 69209 |
16 | More often than most peers in Physician Assistant |
| X-ray of chest, 2 views | Imaging | 71046 |
58 | More than most peers in Physician Assistant |
| X-ray of foot, minimum of 3 views | Imaging | 73630 |
11 | Less often than most peers in Physician Assistant |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
36 | As often as other peers in Physician Assistant |
| Inhalation treatment for airway obstruction or sputum production | Treatment | 94640 |
25 | More often than most peers in Physician Assistant |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
24 | As often as other peers in Physician Assistant |
| Injection, ketorolac tromethamine, per 15 mg | Drug given | J1885 |
46 | As often as other peers in Physician Assistant |
| Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme | Drug given | J7620 |
24 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
344 | More than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Erin C. Duffy is a physician assistant in Capitola, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Erin C. Duffy is listed at 1820 41St Ave Ste C, Capitola, CA 95010. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (831) 684-7611. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Erin C. Duffy's National Provider Identifier is 1518536119. 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
Erin C. Duffy attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
Erin C. Duffy has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Erin C. Duffy performs procedures including insertion of needle into vein for collection of blood sample and removal of impacted ear wax by washing; reads or performs imaging such as x-ray of chest, 2 views and x-ray of foot, minimum of 3 views; provides treatments such as injection of drug or substance under skin or into muscle and inhalation treatment for airway obstruction or sputum production, alongside routine visits and testing. 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 Erin C. Duffy. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.