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BYRON V HARTUNIAN MD PC
NPI 1568554475
Specialist in Cambridge, MA

Active since September 28, 2006
777 CONCORD AVE, SUITE 103, CAMBRIDGE, MA 02138(617) 864-5700(617) 864-0883 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Byron V Hartunian Md Pc NPPES

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

BYRON V HARTUNIAN MD PC (NPI 1568554475) is a healthcare organization registered as a specialist in Cambridge, Massachusetts and active in the NPI registry since September 2006. The organization lists Byron V Hartunian, President, as its authorized official.

NPPES Registry Identity

NPI1568554475
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameBYRON V HARTUNIAN MD PC
Location Address777 CONCORD AVE, SUITE 103Cambridge, MA 02138-1056
Mailing Address777 Concord Ave, Suite 103Cambridge, MA 02138-1056 · (617) 864-5700 · Fax (617) 864-0883
Phone(617) 864-5700
Fax(617) 864-0883
Organization SubpartNo
Authorized OfficialByron V HartunianPresident · (617) 864-5700
Enumeration DateSeptember 28, 2006
Last NPPES UpdateAugust 22, 2020
✔ NPI 1568554475 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in MA · 40158
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
777 CONCORD AVE, Cambridge, MA 02138
Open in Google Maps ↗

Other Identifiers 3

Other040158MA · Tufts
OtherM13717MA · Blue Shield
Medicaid9727302MA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Byron V Hartunian Md Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by October 31, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateMassachusettsEnrollment IDO20120316000139Non-DME Part B · Clinic/Group PracticeDue dateOctober 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Byron V Hartunian MD PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Byron Hartunian, M.D.
Orthopedic Surgery
NPI 1700986122
777 CONCORD AVE SUITE 103
Cambridge, MA 02138
(617) 864-5700
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Byron V Hartunian MD PC's NPI number?

The NPI number for Byron V Hartunian MD PC is 1568554475. It was assigned to this organization in the NPPES registry on September 28, 2006.

Where is Byron V Hartunian MD PC located?

Byron V Hartunian MD PC is located at 777 Concord Ave Suite 103, Cambridge, MA 02138. The listed phone number is (617) 864-5700.

What is Byron V Hartunian MD PC's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Byron V Hartunian MD PC enrolled in Medicare?

Yes. Byron V Hartunian MD PC is registered in the Medicare PECOS enrollment system.

When is Byron V Hartunian MD PC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Massachusetts, Clinic/Group Practice) is due for revalidation by October 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Byron V Hartunian MD PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Orthopedic Surgery) reassigns their Medicare billing to Byron V Hartunian MD PC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Byron V Hartunian MD PC accept?

Health plans from Anthem Blue Cross and Blue Shield list Byron V Hartunian MD PC 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 Byron V Hartunian MD PC was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.