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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SAMUEL DAVIDSON
NPI 1831885615
Nurse Practitioner - Psychiatric/Mental Health in Boston, MA

Active since April 13, 2023PECOS Enrolled
800 WASHINGTON ST, BOSTON, MA 02111(617) 636-5000(617) 636-8642 Get Directions Write a Review

NPPES record last updated: September 28, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Sep 28, 2026, Sep 9, 2025, Apr 13, 2023 (3 updates tracked since 2023).

About Samuel Davidson NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SAMUEL DAVIDSON (NPI 1831885615) is an individual psychiatric/mental health provider in Boston, Massachusetts, licensed in Massachusetts (RN2338730) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS, maintains a secondary practice location in Brookline, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1831885615
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameSAMUEL DAVIDSON
Location Address800 WASHINGTON STBoston, MA 02111-1552
Mailing Address800 Washington StBoston, MA 02111-1552 · (617) 636-5000 · Fax (617) 636-8642
Phone(617) 636-5000
Fax(617) 636-8642
Sole ProprietorYes
Medical School CMSOtherGraduated 2023
Enumeration DateApril 13, 2023
Last NPPES UpdateSeptember 28, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 28, 2026
✔ NPI 1831885615 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in MA · RN2338730
Also ListedRegistered Nurse · Psychiatric/Mental HealthTaxonomy 163WP0808X · License RN2338730 (MA)
800 WASHINGTON ST, Boston, MA 02111
Open in Google Maps ↗

Secondary Practice Location 1

Location 11330 Beacon St Ste 209Brookline, MA 02446-3202 · Phone (617) 618-3026 · Fax (617) 618-3027

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Samuel Davidson is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4082121249
PECOS Enrollment IDI20250730004447
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02111 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AARON DICKSTEIN M.D.
Internal Medicine (Gastroenterology)
800 WASHINGTON ST, BOX 233
BOSTON, MA 02111
Suffolk County (617) 636-5883
THOMAS E BIGELOW
Technician/Technologist (Optician)
800 WASHINGTON ST, BOX 450
BOSTON, MA 02111
Suffolk County (617) 636-5857
SARAH MERRIMAN PERSING M.D.
Plastic Surgery
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5000
DR. SHARANYA MOHANTY M.D.
Internal Medicine
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5000
AFRAH SADIQ SAIT MOHAMMED M.D.
Internal Medicine (Infectious Disease)
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (718) 629-7204
ADNAN SALIM QAMAR MD
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5829
ALICIA SIGIA WU MD
Psychiatry & Neurology (Psychiatry)
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-1619
ZEANAARONEVAN ANDRES LUNA
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-8100

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Samuel Davidson's NPI number?

The NPI number for Samuel Davidson is 1831885615. It was assigned to this individual provider in the NPPES registry on April 13, 2023.

Where is Samuel Davidson located?

Samuel Davidson practices at 800 Washington St, Boston, MA 02111. The listed phone number is (617) 636-5000.

What is Samuel Davidson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Samuel Davidson enrolled in Medicare?

Yes. Samuel Davidson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Samuel Davidson was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.