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JOHN ADEOLU KEKU
NPI 1598392128
Psychiatry & Neurology - Child & Adolescent Psychiatry in Boston, MA

Active since March 24, 2020PECOS Enrolled
800 WASHINGTON ST, BOSTON, MA 02111(617) 636-0219(617) 636-4852 Get Directions Write a Review

NPPES record last updated: October 1, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 1, 2024, Mar 24, 2020 (2 updates tracked since 2020).

About John Adeolu Keku NPPES

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

JOHN ADEOLU KEKU (NPI 1598392128) is an individual child & adolescent psychiatry provider in Boston, Massachusetts, licensed in Massachusetts (PHY100455) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1598392128
Entity TypeIndividualMale
Primary Taxonomy2084P0804X
Provider Legal NameJOHN ADEOLU KEKU
Location Address800 WASHINGTON STBoston, MA 02111-1552
Mailing Address800 Washington StBoston, MA 02111-1552 · (617) 636-0219 · Fax (617) 636-4852
Phone(617) 636-0219
Fax(617) 636-4852
Sole ProprietorNo
Enumeration DateMarch 24, 2020
Last NPPES UpdateOctober 1, 20242 updates tracked since enumeration
NPPES CertifiedOctober 1, 2024
✔ NPI 1598392128 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 · PHY100455
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
800 WASHINGTON ST, Boston, MA 02111
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John Adeolu Keku is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show John Keku reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Vhm Services, Inc.
19 mi
Internal Medicine
99 LINCOLN ST
Framingham, MA 01702
  • Reassigned Medicare billing, Massachusetts enrollment
  • 46 clinicians in this Medicare group
NPI 1508818618 (508) 383-8510

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 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 John Keku's NPI number?

The NPI number for John Keku is 1598392128. It was assigned to this individual provider in the NPPES registry on March 24, 2020.

Where is John Keku located?

John Keku practices at 800 Washington St, Boston, MA 02111. The listed phone number is (617) 636-0219.

What is John Keku's specialty?

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

Is John Keku enrolled in Medicare?

Yes. John Keku is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for John Keku's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Keku reassigns Medicare benefits to Vhm Services, Inc. (Framingham, MA). The 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 John Keku's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for John Keku was last updated on October 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.