What is Amy Armstrong-Javors's NPI number?

Amy Armstrong-Javors's National Provider Identifier (NPI) is 1225475478, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Amy Armstrong-Javors's specialty?

Amy Armstrong-Javors is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).

Where is Amy Armstrong-Javors located?

Amy Armstrong-Javors's practice location on file with NPPES is Massachusetts General Hospital, Boston, MA 02114.

What is Amy Armstrong-Javors's phone number?

The practice phone number listed in the NPPES registry for Amy Armstrong-Javors is (617) 726-2687.

Does Amy Armstrong-Javors accept Medicare?

Amy Armstrong-Javors is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Amy Armstrong-Javors's NPI active?

Yes — Amy Armstrong-Javors's NPI (1225475478) is active in the NPPES registry as of the last update on 2018-05-25.

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Amy Armstrong-Javors, MD

NPI 1225475478 · Neurology Physician · Boston, MA

Amy Armstrong-Javors, MD is a Neurology Physician provider in Boston, MA (NPI 1225475478).

Provider details

NPI number: 1225475478
Entity type: Individual
Primary specialty: Neurology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Female
Sole proprietor: No
License: L-256002 (MA)

Practice location

Massachusetts General Hospital

55 Fruit St.

Boston, MA 02114

Phone: (617) 726-2687

Approximate (ZIP-level) locationGet directions

More MA providers

Mailing address

Massachusetts General Hospital

Boston, MA 02114

Specialties & taxonomies

Neurology PhysicianPrimary2084N0400XLicense 273894 (MA)
Allopathic & Osteopathic Physicians
Pediatrics Physician208000000XLicense L-256002 (MA)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(78/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
13 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

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.

Enumerated: 2013-05-29
Last updated: 2018-05-25

Frequently asked questions

What is Amy Armstrong-Javors's NPI number?: Amy Armstrong-Javors's National Provider Identifier (NPI) is 1225475478, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Amy Armstrong-Javors's specialty?: Amy Armstrong-Javors is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
Where is Amy Armstrong-Javors located?: Amy Armstrong-Javors's practice location on file with NPPES is Massachusetts General Hospital, Boston, MA 02114.
What is Amy Armstrong-Javors's phone number?: The practice phone number listed in the NPPES registry for Amy Armstrong-Javors is (617) 726-2687.
Does Amy Armstrong-Javors accept Medicare?: Amy Armstrong-Javors is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Amy Armstrong-Javors's NPI active?: Yes — Amy Armstrong-Javors's NPI (1225475478) is active in the NPPES registry as of the last update on 2018-05-25.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions