Registry data as of Aug 27, 2026

Arnie Lou Baker, NP

Registered Nurse · Tamuning, GU

Arnie Lou Baker, NP is a registered nurse with a practice address in Tamuning, Guam, and NPI 1487132973, issued on Aug 6, 2018. Check the license with the Guam board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1487132973
Name
Arnie Lou Baker
Credential
NP
Primary taxonomy
Registered Nurse 163W00000X
License numbers
71008327A IN
28173124A IN
Self-reported in NPPES; status is on the state search
Practice location
388 Ypao RD, Tamuning, GU 96913
Phone
(671) 646-8881
Enumerated
Aug 6, 2018
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 388 Ypao RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alison Chong, FNPRegistered Nurse1073111712
  2. Dae-Eil ChongPhysical Therapist1831474410
  3. Phyllis Collins, C.N.P.Nurse Practitioner1780629378
  4. Angeline David, DRPH, MHS, RDRegistered Dietitian1538586581
  5. Daniel Debardeleben, MDFamily Medicine Physician1598253379
  6. Rolan Golez, RPTPhysical Therapist1669744983

Verify Arnie Lou Baker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Guam board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Guam license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

58% more Medicare Part D claims than the average registered nurse in 2024

1,679 Medicare Part D claims for 130 beneficiaries, against an average of 1,063 among the 17,151 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Arnie Lou Baker1,679
  2. Specialty average1,063

Most prescribed

  1. Atorvastatin Calcium140 claims
  2. Albuterol Sulfate Hfa81 claims
  3. Gabapentin80 claims
  4. Lisinopril74 claims
  5. Amlodipine Besylate65 claims
  6. Metformin Hcl Er45 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $328.92

11 payments, mostly food and beverage; the largest payer was Inspire Medical Systems, Inc.. The 16,089 providers of this specialty with any payment received $575.97 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Arnie Lou Baker$328.92
  2. Specialty average$575.97

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospital and facility affiliations

  1. General Conference Corp OF SdaTamuning, GU
  2. Healthlinc IncValparaiso, IN

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

14 registered nurse records list a Tamuning practice address

They are 14 of the 411 NPPES records with a Tamuning practice address, and 45 registered nurse records in Guam.

Other registered nurse records in Guam

  1. Teresa Anderson, RN/CNMTamuning, GU1982020392
  2. Kyle Arevalo, MSN/ED, RN, AMB-BCAgana Heights, GU1396596227
  3. Derrick BaileyAndersen Afb, GU1669929386
  4. Daisy Rose Baisa, RNAgana Heights, GU1386496578
  5. Victoria Ballares, FNP-BCDededo, GU1245725167
  6. Lauren Cabrera, NPDededo, GU1992174122
  7. Rachel Ceria, RNAgana Heights, GU1780435842
  8. Alison Chong, FNPTamuning, GU1073111712
  9. Emiliza Cornejo, RN, APRNDededo, GU1306387691
  10. Christine Joyce Cristobal, RNMaite, GU1356193429

Common questions

What is Arnie Lou Baker, NP's NPI number?

Arnie Lou Baker, NP's National Provider Identifier (NPI) is 1487132973, issued on Aug 6, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Arnie Lou Baker, NP located?

The NPPES record lists a practice address at 388 Ypao RD, Tamuning, GU, 96913. Phone: (671) 646-8881. Providers update this record themselves, so call before visiting.

How can I verify Arnie Lou Baker, NP's license?

Search the Guam board that licenses this profession; the NPPES record confirms identity only.

How much does Arnie Lou Baker, NP prescribe under Medicare Part D?

In 2024, Arnie Lou Baker, NP had 1,679 Medicare Part D claims for 130 beneficiaries; the average among registered nurse prescribers was 1,063. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.