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Edit this profileAt a glance
- 16605 E Palisades Blvd Ste 150, Fountain Hills, AZ 85268
About Day Keller
Listed in the NPI registry as a physician assistant, Day Keller, PA-C practices in Fountain Hills, AZ. According to Medicare claims data, Day cared for 142 Medicare patients across 144 services. The services billed most often include emergency department visit with moderate level of medical decision making, emergency department visit with high level of medical decision making, and emergency department visit with low level of medical decision making. NPI 1881143410 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
- (480) 837-4300
- Email not available
Practice Locations
16605 E PALISADES BLVD STE 150
Fountain Hills, AZ 85268
Procedures Most Often Billed to Medicare
144 services · 142 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
86 | More often than most peers in Physician Assistant |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
29 | Less often than most peers in Physician Assistant |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
18 | As often as other peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
11 | Less often than most peers in Physician Assistant |
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 7
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 physician assistants in Fountain Hills 2
Same specialty, same city.
Common questions
What does Day Keller specialize in?
Day Keller is a physician assistant in Fountain Hills, AZ. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Day Keller located?
Day Keller is listed at 16605 E Palisades Blvd Ste 150, Fountain Hills, AZ 85268. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Day Keller's phone number?
The number on file is (480) 837-4300. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Day Keller's NPI number?
Day Keller's National Provider Identifier is 1881143410. 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 Day Keller been practicing?
Day Keller has 10+ years experience. Registered with an NPI since 2016. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Day Keller do most often?
According to Medicare billing data, Day Keller 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 Day Keller confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Day Keller. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.