Brian Wayne Greening, APRN, FNP-BC
Family Nurse Practitioner · Tamuning, GU
Brian Wayne Greening, APRN, FNP-BC is a family nurse practitioner with a practice address in Tamuning, Guam, and NPI 1922523463, issued on Aug 5, 2017. Check the license with the Guam board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Brian Wayne Greening
- Credential
- APRN, FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- AP134667 TX
Self-reported in NPPES; status is on the state search - Practice location
- 523 Chalan Pasaheru, Tamuning, GU 96913
- Phone
- (671) 645-5360
- Enumerated
- Aug 5, 2017
- Record last updated
- Apr 13, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (671) 649-3872
- Medicare enrollment
- Enrolled (PECOS I20240621000312); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 33 in Guam → Look up another NPI →
Verify Brian Wayne Greening in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Guam board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average family nurse practitioner in 2024
42 Medicare Part D claims, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Bills Medicare through one group practice
- Pacific Med And NephrologySinajana, GU
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Wayne Greening among 33 family nurse practitioner records in Guam
Brian Wayne Greening, APRN, FNP-BC is one of 33 family nurse practitioner records with a practice address in Guam. 52% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 27% of them.
- NPI issued2017 · 27% of these records are older, 64% newer
- In a Medicare fileYes · 52% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated2017 · median 2017 among the 15 with a school on file
- Record last updated2020 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Guam practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 family nurse practitioner records list a practice address in Tamuning
They are 13 of the 411 NPPES records with a practice address in Tamuning, and 33 family nurse practitioner records in Guam.
All 33 in Guam → Every provider in Tamuning → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Ashley ArteroTamuning, GU 969131427598366
- Arnie Lou Baker, NPTamuning, GU 969131487132973
- Alison Chong, FNPTamuning, GU 969131073111712
- Rhodora Cruz, APRN, FNP-CTamuning, GU 969131770051153
- Diane Hiatt, FNPTamuning, GU 969131013068485
- Lucy Marie Iona, FNPTamuning, GU 969131427499763
- Antoinette Kleiner, FNPMangilao, GU 969131588236624
- Margaret Mesa, NPTamuning, GU 969131629745377
Common questions
What is Brian Wayne Greening, APRN, FNP-BC's NPI number?
Brian Wayne Greening, APRN, FNP-BC's National Provider Identifier (NPI) is 1922523463, issued on Aug 5, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Brian Wayne Greening, APRN, FNP-BC located?
The NPPES record lists a practice address at 523 Chalan Pasaheru, Tamuning, GU, 96913. Phone: (671) 645-5360. Providers update this record themselves, so call before visiting.
How can I verify Brian Wayne Greening, APRN, FNP-BC's license?
Search the Guam board that licenses this profession; the NPPES record confirms identity only.
How much does Brian Wayne Greening, APRN, FNP-BC prescribe under Medicare Part D?
In 2024, Brian Wayne Greening, APRN, FNP-BC had 42 Medicare Part D claims; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.