DR. KYLE ALLEN WILLIAMS M.D.
NPI 1598925182
Psychiatry & Neurology - Child & Adolescent Psychiatry in Boston, MA

Active since June 17, 2008PECOS EnrolledAccepts Medicare Assignment
185 CAMBRIDGE ST, SIMCHES BULDING, #278, BOSTON, MA 02114(617) 643-3647(617) 643-3080 Get Directions Write a Review

NPPES record last updated: November 8, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Kyle Allen Williams M.d. NPPES

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

DR. KYLE ALLEN WILLIAMS M.D. (NPI 1598925182) is an individual child & adolescent psychiatry provider in Boston, Massachusetts, licensed in Massachusetts (257424) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS and is a graduate of University Of Minnesota Medical School (2007).

NPPES Registry Identity

NPI1598925182
Entity TypeIndividualMale
Primary Taxonomy2084P0804X
Provider Legal NameDR. KYLE ALLEN WILLIAMSCredential: M.D.
Location Address185 CAMBRIDGE ST, SIMCHES BULDING, #278Boston, MA 02114-2790
Mailing Address185 Cambridge St, Simches Bulding, #278Boston, MA 02114-2790 · (617) 643-3647 · Fax (617) 643-3080
Fax(617) 643-3080
Sole ProprietorYes
Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 2007
Enumeration DateJune 17, 2008
Last NPPES UpdateNovember 8, 2013
✔ NPI 1598925182 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
License✔ Licensed in MA · 257424
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
185 CAMBRIDGE ST, Boston, MA 02114

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Kyle Allen Williams M.d. 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 ID8224268735
PECOS Enrollment IDI20140303000237
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Kyle Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,234 clinicians in this Medicare group
Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,360 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 16

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

Psychologist (Clinical)
185 CAMBRIDGE ST, SUITE 2200, 2ND FLOOR
BOSTON, MA 02114
Psychologist
185 CAMBRIDGE ST
BOSTON, MA 02114
Internal Medicine
185 CAMBRIDGE ST, 5TH FLOOR, SUITE 5240
BOSTON, MA 02114
Genetic Counselor, MS
185 CAMBRIDGE ST, SIMCHES 2220
BOSTON, MA 02114
Psychologist (Clinical)
185 CAMBRIDGE ST
BOSTON, MA 02114
Genetic Counselor, MS
185 CAMBRIDGE ST, CPZN, RM 5820
BOSTON, MA 02114
Genetic Counselor, MS
185 CAMBRIDGE ST
BOSTON, MA 02114
Psychologist
185 CAMBRIDGE ST, 2ND FL CPZN 185 OBSESSIVE COMPULSIVE DISORDERS UNIT
BOSTON, MA 02114

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 Kyle Williams's NPI number?

The NPI number for Kyle Williams is 1598925182. It was assigned to this individual provider in the NPPES registry on June 17, 2008.

Where is Kyle Williams located?

Kyle Williams practices at 185 Cambridge St Simches Bulding, #278, Boston, MA 02114. The listed phone number is (617) 643-3647.

What is Kyle Williams's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Kyle Williams enrolled in Medicare?

Yes. Kyle Williams 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.

Which organizations bill Medicare for Kyle Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kyle Williams reassigns Medicare benefits to 2 organizations: The General Hospital Corporation (Boston, MA) and Massachusetts General Physicians Organization Inc (Boston, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kyle Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kyle Williams accept?

Health plans from Harvard Pilgrim Health Care and WellSense Health Plan list Kyle Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Kyle Williams was last updated on November 8, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years 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.