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Edit this profileAt a glance
- 1675 E Melrose St Ste 101-103, Gilbert, AZ 85297
About Sienna Contreras
Listed in the NPI registry as a physician assistant, Sienna Contreras, PA-C practices in Gilbert, AZ. Sienna is also listed as specializing in physician assistant — surgical. Medicare claims data shows Sienna provided 30 services to 30 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 and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. NPI 1720749377 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
- (602) 648-5444
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1675 E MELROSE ST STE 101-103
Gilbert, AZ 85297
Procedures Most Often Billed to Medicare
30 services · 30 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
15 | Less often than most peers in Physician Assistant |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
15 | 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.
Other physician assistants at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
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 — 24 related providers in 3 groups
Other physician assistants in Gilbert 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2023 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Sienna Contreras?
Sienna Contreras is a physician assistant in Gilbert, AZ. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Sienna Contreras's address?
Sienna Contreras is listed at 1675 E Melrose St Ste 101-103, Gilbert, AZ 85297. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Sienna Contreras?
The number on file is (602) 648-5444. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Sienna Contreras?
Sienna Contreras's National Provider Identifier is 1720749377. 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 Sienna Contreras train?
Sienna Contreras attended Other, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Sienna Contreras have?
Sienna Contreras has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
What procedures does Sienna Contreras perform?
According to Medicare billing data, Sienna Contreras 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
Is Sienna Contreras's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Sienna Contreras. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.