Giannina Tierney, M.D.
NPI 1457311169 · Pediatrics Physician · Falmouth, MA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Giannina Tierney, M.D. is a Pediatrics Physician provider in Falmouth, MA (NPI 1457311169).
Provider details
- NPI number
- 1457311169
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 81805 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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.
Practice location
Mailing address
Additional practice locations (1)
- 300 Longwood AveBoston, MA 02115-5724Phone: (617) 355-6000
Registry dates
- Enumerated
- 2006-03-25
- Last updated
- 2021-05-26
- Certified
- 2021-04-07
Frequently asked questions
- What is Giannina Tierney's NPI number?
- Giannina Tierney's National Provider Identifier (NPI) is 1457311169, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Giannina Tierney's specialty?
- Giannina Tierney is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Giannina Tierney located?
- Giannina Tierney's practice location on file with NPPES is 15 Bramblebush Park, Falmouth, MA 02540-2325.
- What is Giannina Tierney's phone number?
- The practice phone number listed in the NPPES registry for Giannina Tierney is (508) 548-6969.
- Does Giannina Tierney accept Medicare?
- Giannina Tierney is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Giannina Tierney's NPI active?
- Yes — Giannina Tierney's NPI (1457311169) is active in the NPPES registry as of the last update on 2021-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.