Jamie Macknet, ARNP
NPI 1427177518 · Acute Care Nurse Practitioner · Loma Linda, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jamie Macknet, ARNP is a Acute Care Nurse Practitioner provider in Loma Linda, CA (NPI 1427177518).
Provider details
- NPI number
- 1427177518
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 540481 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Nursing Service Providers
Nursing Service Providers
Physician Assistants & Advanced Practice Nursing Providers
- Adult Health Nurse Practitioner363LA2200X
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
134 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 134 | $112 |
Typical Medicare-allowed amounts for these services range $112–$112 (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 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 134 | 37 |
| Metformin Hclbrand: Metformin Hcl Er | 115 | 37 |
| Tirzepatidebrand: Mounjaro | 93 | 16 |
| Semaglutidebrand: Ozempic | 69 | 13 |
| Atorvastatin Calcium | 60 | 18 |
| Metformin Hcl | 56 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,258 across 70 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-28
- Last updated
- 2023-03-07
- Certified
- 2020-10-01
Frequently asked questions
- What is Jamie Macknet's NPI number?
- Jamie Macknet's National Provider Identifier (NPI) is 1427177518, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jamie Macknet's specialty?
- Jamie Macknet is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jamie Macknet located?
- Jamie Macknet's practice location on file with NPPES is 25815 Barton Rd Ste 103, Loma Linda, CA 92354-3894.
- What is Jamie Macknet's phone number?
- The practice phone number listed in the NPPES registry for Jamie Macknet is (909) 799-8620.
- Does Jamie Macknet accept Medicare?
- Jamie Macknet is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jamie Macknet's NPI active?
- Yes — Jamie Macknet's NPI (1427177518) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.