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DR. KRISTEN M. HADDON DO
NPI 1659570380
Pediatrics - Adolescent Medicine in Waltham, MA

Active since July 12, 2007PECOS Enrolled
355 WAVERLY OAKS RD STE 125, WALTHAM, MA 02452(781) 891-3706(781) 891-3564 Get Directions Write a Review

NPPES record last updated: June 16, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 16, 2025, Jan 21, 2020, Feb 3, 2016 and 1 more (4 updates tracked since 2015).

About Dr. Kristen M. Haddon Do NPPES

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

DR. KRISTEN M. HADDON DO (NPI 1659570380) is an individual adolescent medicine provider in Waltham, Massachusetts, licensed in Massachusetts (259015) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659570380
Entity TypeIndividualFemale
Primary Taxonomy2080A0000X
Provider Legal NameDR. KRISTEN M. HADDONCredential: DO
Location Address355 WAVERLY OAKS RD STE 125Waltham, MA 02452-8481
Mailing Address330 Mt Auburn St, Parsons 2Cambridge, MA 02138-5597 · (781) 891-3706 · Fax (781) 891-3564
Phone(781) 891-3706
Fax(781) 891-3564
Sole ProprietorNo
Enumeration DateJuly 12, 2007
Last NPPES UpdateJune 16, 20254 updates tracked since enumeration
NPPES CertifiedJune 16, 2025
✔ NPI 1659570380 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 · 259015
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 259015 (MA)
355 WAVERLY OAKS RD STE 125, Waltham, MA 02452
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Other Identifiers 1

Medicaid110100722AMA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Taro Health.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. Kristen M. Haddon Do 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 Kristen Haddon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mount Auburn Professional Services Inc
3.7 mi
Internal Medicine
330 MOUNT AUBURN ST
Cambridge, MA 02138
  • Reassigned Medicare billing, Massachusetts enrollment
  • 423 clinicians in this Medicare group
NPI 1992750996 (617) 499-5654

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.

YULIYA OSTREROV MD
Pediatrics
355 WAVERLY OAKS RD STE 125
WALTHAM, MA 02452
Middlesex County (781) 891-3706

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 Kristen Haddon's NPI number?

The NPI number for Kristen Haddon is 1659570380. It was assigned to this individual provider in the NPPES registry on July 12, 2007.

Where is Kristen Haddon located?

Kristen Haddon practices at 355 Waverly Oaks Rd Ste 125, Waltham, MA 02452. The listed phone number is (781) 891-3706.

What is Kristen Haddon's specialty?

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

Is Kristen Haddon enrolled in Medicare?

Yes. Kristen Haddon is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Kristen Haddon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristen Haddon reassigns Medicare benefits to Mount Auburn Professional Services Inc (Cambridge, 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 Kristen Haddon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kristen Haddon accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Kristen Haddon 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 Kristen Haddon was last updated on June 16, 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.