Physician Profile
Unclaimed ProfileAbout WALKER
Krista Alana Walker is a nurse practitioner — family practicing in Tucson, AZ. According to Medicare claims data, Krista cared for 58 Medicare patients across 59 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (520) 442-3117
- Email not available
Practice Locations
40 N SWAN RD
Tucson, AZ 85711
Procedures Most Often Billed to Medicare
59 services · 58 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Residence visit for new patient with low level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99342 |
28 |
| Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99349 |
16 |
| Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99348 |
15 |
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.
Related specialists at this location 2
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.
Other nurse practitioners in Tucson 8
Same specialty, same city.
Common questions
What kind of doctor is Dr. Walker?
Dr. Walker is a nurse practitioner in Tucson, AZ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Nurse Practitioner — Family”.
NPI registry
What is Dr. Walker's address?
Dr. Walker is listed at 40 N SWAN RD, Tucson, AZ 85711. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Walker?
The number on file is (520) 442-3117. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Walker's NPI number?
Dr. Walker's National Provider Identifier is 1801524848. 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
How long has Dr. Walker been practicing?
Dr. Walker has 4+ years experience. Registered with an NPI since 2022. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What procedures does Dr. Walker perform?
According to Medicare billing data, Dr. Walker 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
Has Dr. Walker confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Walker. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.