Provider Profile
Kathryn R. Shirley, FNP
Unclaimed ProfileAbout Kathryn Shirley
Kathryn R. Shirley, FNP is a nurse practitioner practicing in Austin, TX. Kathryn is also listed as specializing in nurse practitioner — family. Medicare claims data shows Kathryn provided 558 services to 345 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, complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count, and blood test, comprehensive group of blood chemicals. This provider record is associated with NPI 1639500465.
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
- (512) 873-8900
- Email not available
Practice Locations
12221 RENFERT WAY STE 300
Austin, TX 78758
Procedures Most Often Billed to Medicare
558 services · 345 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
59 | As often as other peers in Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
212 | More often 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 |
66 | As often as other peers in Nurse Practitioner |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
61 | As often as other peers in Nurse Practitioner |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
36 | As often as other 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 |
27 | Less often than most peers in Nurse Practitioner |
| Reticulated (young) platelet measurement | Lab test | 85055 |
23 | Less often than most peers in Nurse Practitioner |
| Iron binding capacity | Lab test | 83550 |
19 | Less often than most peers in Nurse Practitioner |
| Iron level | Lab test | 83540 |
19 | Less often than most peers in Nurse Practitioner |
| Ferritin (blood protein) level | Lab test | 82728 |
19 | Less often 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 5
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 — 32 related providers in 4 groups
Other nurse practitioners in Austin 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2013 at Other 8
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 TX who bill this service to Medicare most often.
Common questions
What is Kathryn R. Shirley's specialty?
Kathryn R. Shirley is a nurse practitioner in Austin, TX. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Kathryn R. Shirley?
Kathryn R. Shirley is listed at 12221 Renfert Way Ste 300, Austin, TX 78758. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Kathryn R. Shirley?
The number on file is (512) 873-8900. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Kathryn R. Shirley?
Kathryn R. Shirley's National Provider Identifier is 1639500465. 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
What is Kathryn R. Shirley's education?
Kathryn R. Shirley attended Other, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Kathryn R. Shirley have?
Kathryn R. Shirley has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What is Kathryn R. Shirley known for?
According to Medicare billing data, Kathryn R. Shirley performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Kathryn R. Shirley's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Kathryn R. Shirley. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.