Brian Greening, APRN, FNP-BC
NPI 1922523463 · Family Nurse Practitioner · Tamuning, GU
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Greening, APRN, FNP-BC is a Family Nurse Practitioner provider in Tamuning, GU (NPI 1922523463).
Provider details
- NPI number
- 1922523463
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, FNP-BC
- Sex
- Male
- Sole proprietor
- Yes
- License
- AP134667 (TX)
Specialties & taxonomies
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
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
59 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 32 | $108 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 27 | $290 |
Typical Medicare-allowed amounts for these services range $108–$290 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-08-05
- Last updated
- 2020-04-13
- Certified
- 2020-04-13
Frequently asked questions
- What is Brian Greening's NPI number?
- Brian Greening's National Provider Identifier (NPI) is 1922523463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Greening's specialty?
- Brian Greening is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Brian Greening located?
- Brian Greening's practice location on file with NPPES is 523 Chalan Pasaheru, Tamuning, GU 96913.
- What is Brian Greening's phone number?
- The practice phone number listed in the NPPES registry for Brian Greening is (671) 645-5360.
- Does Brian Greening accept Medicare?
- Brian Greening is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Greening's NPI active?
- Yes — Brian Greening's NPI (1922523463) is active in the NPPES registry as of the last update on 2020-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.