Arnie Lou Baker, NP
NPI 1487132973 · Family Nurse Practitioner · Tamuning, GU
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arnie Lou Baker, NP is a Family Nurse Practitioner provider in Tamuning, GU (NPI 1487132973).
Provider details
- NPI number
- 1487132973
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 28173124A (IN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 140 | 46 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 81 | 23 |
| Gabapentin | 80 | 18 |
| Lisinopril | 74 | 23 |
| Amlodipine Besylate | 65 | 22 |
| Metformin Hclbrand: Metformin Hcl Er | 45 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$329 across 11 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.
Mailing address
Registry dates
- Enumerated
- 2018-08-06
- Last updated
- 2026-01-06
- Certified
- 2026-01-06
Frequently asked questions
- What is Arnie Lou Baker's NPI number?
- Arnie Lou Baker's National Provider Identifier (NPI) is 1487132973, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arnie Lou Baker's specialty?
- Arnie Lou Baker is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Arnie Lou Baker located?
- Arnie Lou Baker's practice location on file with NPPES is 388 Ypao Rd, Tamuning, GU 96913-3701.
- What is Arnie Lou Baker's phone number?
- The practice phone number listed in the NPPES registry for Arnie Lou Baker is (671) 646-8881.
- Does Arnie Lou Baker accept Medicare?
- Arnie Lou Baker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arnie Lou Baker's NPI active?
- Yes — Arnie Lou Baker's NPI (1487132973) is active in the NPPES registry as of the last update on 2026-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.