DR. JEREMI MOSS CARSWELL MD
NPI 1245368406
Pediatrics - Pediatric Endocrinology in Boston, MA

Active since March 01, 2007PECOS Enrolled
BOSTON CHILDREN'S HOSPITAL - ENDOCRINOLOGY, 300 LONGWOOD AVENUE, BOSTON, MA 02115(617) 355-4367(617) 730-6216 Get Directions Write a Review

NPPES record last updated: June 30, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 30, 2025, Dec 5, 2022 (2 updates tracked since 2022).

About Dr. Jeremi Moss Carswell Md NPPES

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

DR. JEREMI MOSS CARSWELL MD (NPI 1245368406) is an individual pediatric endocrinology provider in Boston, Massachusetts, licensed in Massachusetts (216541) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1245368406
Entity TypeIndividualFemale
Primary Taxonomy2080P0205X
Provider Legal NameDR. JEREMI MOSS CARSWELLCredential: MD
Location AddressBOSTON CHILDREN'S HOSPITAL - ENDOCRINOLOGY, 300 LONGWOOD AVENUEBoston, MA 02115
Mailing AddressBoston Children's Hospital - Endocrinology, 300 Longwood AvenueBoston, MA 02115 · (508) 341-7522
Fax(617) 730-6216
Sole ProprietorNo
Enumeration DateMarch 1, 2007
Last NPPES UpdateJune 30, 20252 updates tracked since enumeration
NPPES CertifiedJune 30, 2025
✔ NPI 1245368406 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Pediatric EndocrinologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0205X
License✔ Licensed in MA · 216541
Definition
A pediatrician who provides expert care to infants, children and adolescents who have diseases that result from an abnormality in the endocrine glands (glands which secrete hormones). These diseases include diabetes mellitus, growth failure, unusual size for age, early or late pubertal development, birth defects, the genital region and disorders of the thyroid, the adrenal and pituitary glands.
Also ListedPediatricsTaxonomy 208000000X · License 216541 (MA)
Also ListedPediatrics · Sports MedicineTaxonomy 2080S0010X · License 216541 (MA)
BOSTON CHILDREN'S HOSPITAL - ENDOCRINOLOGY, Boston, MA 02115

Other Identifiers 1

Medicaid2130211MA

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jeremi Moss Carswell Md 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 Reassignments

3

Medicare enrollment records show Jeremi Carswell reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Orthopaedic Surgery
300 LONGWOOD AVE
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 57 clinicians in this Medicare group
Pediatrics
300 LONGWOOD AVE
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,358 clinicians in this Medicare group
Pediatrics
800 WASHINGTON ST, BOX 1013
Boston, MA 02111
  • Reassigned Medicare billing, Massachusetts enrollment
  • 202 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
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.

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 Jeremi Carswell's NPI number?

The NPI number for Jeremi Carswell is 1245368406. It was assigned to this individual provider in the NPPES registry on March 1, 2007.

Where is Jeremi Carswell located?

Jeremi Carswell practices at Boston Children's Hospital - Endocrinology 300 Longwood Avenue, Boston, MA 02115. The listed phone number is (617) 355-4367.

What is Jeremi Carswell's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.

Is Jeremi Carswell enrolled in Medicare?

Yes. Jeremi Carswell is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Jeremi Carswell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jeremi Carswell reassigns Medicare benefits to 3 organizations: Children's Sports Medicine Foundation Inc. (Boston, MA), Children's Hospital Pediatric Associates, Inc (Boston, MA) and Pratt Pediatric Associates 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 Jeremi Carswell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jeremi Carswell accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Jeremi Carswell 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 Jeremi Carswell was last updated on June 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.