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BRIAN CHRISTOPHER KING MD FAAP
NPI 1225370364
Pediatrics in Cambridge, MA

Active since March 26, 2013PECOS Enrolled
300 MT AUBURN ST, SOUTH 5, CAMBRIDGE, MA 02138(617) 499-5595(617) 449-5103 Get Directions Write a Review

NPPES record last updated: September 5, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 5, 2024, Oct 18, 2023 (2 updates tracked since 2023).

About Brian Christopher King Md Faap NPPES

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

BRIAN CHRISTOPHER KING MD FAAP (NPI 1225370364) is an individual pediatrics provider in Cambridge, Massachusetts, licensed in Massachusetts (1017332) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1225370364
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameBRIAN CHRISTOPHER KINGCredential: MD FAAP
Location Address300 MT AUBURN ST, SOUTH 5Cambridge, MA 02138-5600
Mailing Address330 Mount Auburn St # 2Cambridge, MA 02138-5597 · (503) 516-6374
Phone(617) 499-5595
Fax(617) 449-5103
Sole ProprietorNo
Enumeration DateMarch 26, 2013
Last NPPES UpdateSeptember 5, 20242 updates tracked since enumeration
NPPES CertifiedSeptember 5, 2024
✔ NPI 1225370364 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MA · 1017332
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedPediatrics · Neonatal-Perinatal MedicineTaxonomy 2080N0001X · License 1017332 (MA)
300 MT AUBURN ST, Cambridge, MA 02138
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Brian Christopher King Md Faap 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 Brian King reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mount Auburn Professional Services Inc
0.1 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02138 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
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.

Other Providers at the Same Location NPPES

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

MOUNT AUBURN SURGICAL ASSOCIATES, PC
Surgery
300 MT AUBURN ST, SUITE 407 ASSOCIATED SURGEONS PC
CAMBRIDGE, MA 02138
Middlesex County (617) 868-7456

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 Brian King's NPI number?

The NPI number for Brian King is 1225370364. It was assigned to this individual provider in the NPPES registry on March 26, 2013.

Where is Brian King located?

Brian King practices at 300 Mt Auburn St South 5, Cambridge, MA 02138. The listed phone number is (617) 499-5595.

What is Brian King's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Brian King enrolled in Medicare?

Yes. Brian King is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Brian King's services?

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

What insurance does Brian King accept?

Health plans from Anthem Blue Cross and Blue Shield list Brian King 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 Brian King was last updated on September 5, 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.