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

ADAM RUSSELL KRONISH MD
NPI 1821654559
Pediatrics - Adolescent Medicine in Boston, MA

Active since May 17, 2019PECOS EnrolledAccepts Medicare Assignment
165 CAMBRIDGE ST FL 2, BOSTON, MA 02114(617) 643-1201 Get Directions Write a Review

NPPES record last updated: September 16, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 16, 2026, Jun 16, 2025, Sep 5, 2023 and 1 more (4 updates tracked since 2019).

About Adam Russell Kronish Md NPPES

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

ADAM RUSSELL KRONISH MD (NPI 1821654559) is an individual adolescent medicine provider in Boston, Massachusetts, licensed in Massachusetts (1023604) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Boston, and is a graduate of Tufts University School Of Medicine (2019).

NPPES Registry Identity

NPI1821654559
Entity TypeIndividualMale
Primary Taxonomy2080A0000X
Provider Legal NameADAM RUSSELL KRONISHCredential: MD
Location Address165 CAMBRIDGE ST FL 2Boston, MA 02114-2783
Mailing Address165 Cambridge St Fl 2Boston, MA 02114-2783
Sole ProprietorYes
Medical School CMSTufts University School Of MedicineGraduated 2019
Enumeration DateMay 17, 2019
Last NPPES UpdateSeptember 16, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 16, 2026
✔ NPI 1821654559 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Adolescent MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080A0000X
License✔ Licensed in MA · 1023604
Definition
A pediatrician who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.
Also ListedPediatricsTaxonomy 208000000X · License MD478630 (PA)
165 CAMBRIDGE ST FL 2, Boston, MA 02114

Secondary Practice Location 1

Location 175 Francis StBoston, MA 02115-6110 · Phone (617) 732-5500

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

Adam Russell Kronish Md 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 ID8921331083
PECOS Enrollment IDI20250906000848
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 Adam Kronish 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

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

Pediatrics
165 CAMBRIDGE ST FL 2
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 Adam Kronish's NPI number?

The NPI number for Adam Kronish is 1821654559. It was assigned to this individual provider in the NPPES registry on May 17, 2019.

Where is Adam Kronish located?

Adam Kronish practices at 165 Cambridge St Fl 2, Boston, MA 02114. The listed phone number is (617) 643-1201.

What is Adam Kronish's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.

Is Adam Kronish enrolled in Medicare?

Yes. Adam Kronish 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 Adam Kronish's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Adam Kronish 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 Adam Kronish's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Adam Kronish accept?

Health plans from Taro Health list Adam Kronish 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 Adam Kronish was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 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.