Jacob Layfield
NPI 1366105777 · Physician Assistant · Mesa, AZ
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jacob Layfield is a Physician Assistant provider in Mesa, AZ (NPI 1366105777).
Provider details
- NPI number
- 1366105777
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 5671883 (ID)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
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
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
219 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) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 97 | $99 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 89 | $143 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 22 | $7 |
| X-Ray of Chest, 1 View71045 | 11 | $7 |
Typical Medicare-allowed amounts for these services range $7–$143 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 47 | 47 |
| Naproxen | 37 | 37 |
| Prednisone | 21 | 21 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 18 | 18 |
| Ondansetronbrand: Ondansetron Odt | 17 | 17 |
| Cyclobenzaprine Hcl | 13 | 13 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 11 |
Practice location
Mailing address
Additional practice locations (1)
- 700 W Ironwood Dr Ste 120Coeur D Alene, ID 83814-4405Phone: (208) 625-3640Fax: (208) 625-3645
Registry dates
- Enumerated
- 2021-10-21
- Last updated
- 2026-03-02
- Certified
- 2026-03-02
Frequently asked questions
- What is Jacob Layfield's NPI number?
- Jacob Layfield's National Provider Identifier (NPI) is 1366105777, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacob Layfield's specialty?
- Jacob Layfield is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jacob Layfield located?
- Jacob Layfield's practice location on file with NPPES is 5850 E Still Cir, Mesa, AZ 85206-3618.
- What is Jacob Layfield's phone number?
- The practice phone number listed in the NPPES registry for Jacob Layfield is (480) 219-6000.
- Does Jacob Layfield accept Medicare?
- Jacob Layfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jacob Layfield's NPI active?
- Yes — Jacob Layfield's NPI (1366105777) is active in the NPPES registry as of the last update on 2026-03-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.