Ryan Tamargo, NP
NPI 1619425055 · Gerontology Nurse Practitioner · Boston, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Tamargo, NP is a Gerontology Nurse Practitioner provider in Boston, MA (NPI 1619425055).
Provider details
- NPI number
- 1619425055
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN2283429 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
9 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 238 | 84 |
| Anastrozole | 41 | 17 |
| Tamoxifen Citrate | 32 | — |
| Abemaciclibbrand: Verzenio | 30 | — |
| Apixabanbrand: Eliquis | 29 | — |
| Gabapentin | 28 | — |
| Exemestane | 22 | 11 |
| Palbociclib |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$118 across 1 record (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
Additional practice locations (1)
- 330 Brookline AveShapiro 941Boston, MA 02215-5400Phone: (617) 667-1925Fax: (617) 667-1020
Registry dates
- Enumerated
- 2016-09-14
- Last updated
- 2018-10-26
Frequently asked questions
- What is Ryan Tamargo's NPI number?
- Ryan Tamargo's National Provider Identifier (NPI) is 1619425055, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Tamargo's specialty?
- Ryan Tamargo is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ryan Tamargo located?
- Ryan Tamargo's practice location on file with NPPES is 450 Brookline Ave, Boston, MA 02215.
- What is Ryan Tamargo's phone number?
- The practice phone number listed in the NPPES registry for Ryan Tamargo is (617) 632-3800.
- Does Ryan Tamargo accept Medicare?
- Ryan Tamargo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Tamargo's NPI active?
- Yes — Ryan Tamargo's NPI (1619425055) is active in the NPPES registry as of the last update on 2018-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.