Tammy Lo, ACNP
NPI 1740595792 · Acute Care Nurse Practitioner · Greenwich, CT
Tammy Lo, ACNP is a Acute Care Nurse Practitioner provider in Greenwich, CT (NPI 1740595792).
Provider details
- NPI number
- 1740595792
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ACNP
- Sex
- Female
- Sole proprietor
- No
- License
- 5568 (CT)
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 tenure33% of score
15 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,997 across 97 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
- 2010-08-15
- Last updated
- 2016-12-16
Frequently asked questions
- What is Tammy Lo's NPI number?
- Tammy Lo's National Provider Identifier (NPI) is 1740595792, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Lo's specialty?
- Tammy Lo is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tammy Lo located?
- Tammy Lo's practice location on file with NPPES is 25 Valley Dr, Greenwich, CT 06831-5203.
- What is Tammy Lo's phone number?
- The practice phone number listed in the NPPES registry for Tammy Lo is (203) 661-3333.
- Is Tammy Lo's NPI active?
- Yes — Tammy Lo's NPI (1740595792) is active in the NPPES registry as of the last update on 2016-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.