Provider Profile
Karen NOREEN CASSIDY Diez, FNP-C
Unclaimed ProfileAbout Karen Diez
Listed in the NPI registry as a nurse practitioner, Karen NOREEN CASSIDY Diez, FNP-C practices in Asheville, NC. Medicare claims data shows Karen provided 3,893 services to 3,022 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, insertion of needle into vein for collection of blood sample, and blood test, comprehensive group of blood chemicals. NPI 1265999023 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (828) 258-0397
- Email not available
Practice Locations
4 VANDERBILT PARK DR STE 100
Asheville, NC 28803
Procedures Most Often Billed to Medicare
3,893 services · 3,022 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
466 | More than most peers in Nurse Practitioner |
| X-ray of chest, 2 views | Imaging | 71046 |
22 | As often as other peers in Nurse Practitioner |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
38 | As often as other peers in Nurse Practitioner |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
16 | Less often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
469 | More than most peers in Nurse Practitioner |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
375 | More than most peers in Nurse Practitioner |
| Blood test, lipids (cholesterol and triglycerides) | Lab test | 80061 |
300 | More than most peers in Nurse Practitioner |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
298 | More than most peers in Nurse Practitioner |
| Blood test, thyroid stimulating hormone (tsh) | Lab test | 84443 |
278 | More than most peers in Nurse Practitioner |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
256 | More than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other nurse practitioners in Asheville 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2018 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in NC who bill this service to Medicare most often.
Common questions
What does Karen NOREEN CASSIDY Diez specialize in?
Karen NOREEN CASSIDY Diez is a nurse practitioner in Asheville, NC. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Karen NOREEN CASSIDY Diez located?
Karen NOREEN CASSIDY Diez is listed at 4 Vanderbilt Park Dr Ste 100, Asheville, NC 28803. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Karen NOREEN CASSIDY Diez's phone number?
The number on file is (828) 258-0397. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Karen NOREEN CASSIDY Diez?
Karen NOREEN CASSIDY Diez's National Provider Identifier is 1265999023. 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
Where did Karen NOREEN CASSIDY Diez train?
Karen NOREEN CASSIDY Diez attended Other, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Karen NOREEN CASSIDY Diez have?
Karen NOREEN CASSIDY Diez has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What does Karen NOREEN CASSIDY Diez do most often?
According to Medicare billing data, Karen NOREEN CASSIDY Diez performs procedures including insertion of needle into vein for collection of blood sample; reads or performs imaging such as x-ray of chest, 2 views; provides treatments such as injection of drug or substance under skin or into muscle and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Karen NOREEN CASSIDY Diez's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Karen NOREEN CASSIDY Diez. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.