Garrett Kobayashi
NPI 1376214684 · Physician Assistant · Mesa, AZ
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Garrett Kobayashi is a Physician Assistant provider in Mesa, AZ (NPI 1376214684).
Provider details
- NPI number
- 1376214684
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
472 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 144 | $84 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 95 | $16 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 54 | $35 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 54 | $118 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 42 | $13 |
| Automated Urinalysis Test81003 | 32 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 130 | 127 |
| Amoxicillin | 105 | 102 |
| Fluconazole | 101 | 95 |
| Methylprednisolone | 82 | 80 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 65 | 63 |
| Azithromycin | 61 | 60 |
| Doxycycline Hyclate | 44 | 43 |
| Mupirocin | 42 |
Practice location
Mailing address
Additional practice locations (1)
- 1895 N Jasper Dr Ste 3Flagstaff, AZ 86001-1632Phone: (928) 913-8800
Registry dates
- Enumerated
- 2021-09-26
- Last updated
- 2026-02-23
- Certified
- 2026-02-23
Frequently asked questions
- What is Garrett Kobayashi's NPI number?
- Garrett Kobayashi's National Provider Identifier (NPI) is 1376214684, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Garrett Kobayashi's specialty?
- Garrett Kobayashi is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Garrett Kobayashi located?
- Garrett Kobayashi's practice location on file with NPPES is 5850 E Still Cir, Mesa, AZ 85206-3618.
- What is Garrett Kobayashi's phone number?
- The practice phone number listed in the NPPES registry for Garrett Kobayashi is (661) 755-3421.
- Does Garrett Kobayashi accept Medicare?
- Garrett Kobayashi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Garrett Kobayashi's NPI active?
- Yes — Garrett Kobayashi's NPI (1376214684) is active in the NPPES registry as of the last update on 2026-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.