MACRO, INC.
NPI 1942251335
Internal Medicine - Cardiovascular Disease in Cambridge, MA
About Macro, Inc. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MACRO, INC. (NPI 1942251335) is a healthcare organization registered as a cardiovascular disease in Cambridge, Massachusetts and active in the NPI registry since May 2006. The organization lists A. Kim Saal, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Macro, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
13Medicare enrollment records show 13 clinicians reassign Medicare billing to Macro, Inc., which bills Medicare for the services they deliver. Of these, 1 practice at this address and 12 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 4
Clinicians, nearest first (13)
Cambridge, MA 02138
Boston, MA 02215
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 Macro, Inc.'s NPI number?
The NPI number for Macro, Inc. is 1942251335. It was assigned to this organization in the NPPES registry on May 12, 2006.
Where is Macro, Inc. located?
Macro, Inc. is located at 330 Mount Auburn St Cardiology Department, Cambridge, MA 02138. The listed phone number is (617) 497-1560.
What is Macro, Inc.'s specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Macro, Inc. enrolled in Medicare?
Yes. Macro, Inc. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Macro, Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 13 clinicians in 4 Medicare specialties reassign their Medicare billing to Macro, Inc.. 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. The largest specialties are Cardiovascular Disease (Cardiology) (9), Cardiac Electrophysiology (2) and Advanced Heart Failure and Transplant Cardiology (1). Of these, 1 practice at this address and 12 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Macro, Inc. accept?
Health plans from Anthem Blue Cross and Blue Shield list Macro, Inc. 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 Macro, Inc. was last updated on June 2, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Macro, Inc. · NPI 1942251335
Cardiovascular Disease organization in Cambridge, Massachusetts. Organization record, active in the CMS NPPES registry since May 12, 2006.
## Identity
- **NPI:** 1942251335 (Entity type: Organization)
- **Enumerated:** May 12, 2006
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **Organization subpart:** No
- **Authorized official:** A. Kim Saal, PRESIDENT
## Practice location
- **Address:** 330 MOUNT AUBURN ST, CARDIOLOGY DEPARTMENT, Cambridge, MA 02138-5502
- **Phone:** (617) 497-1560 · **Fax:** (617) 497-1109
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 13 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Cardiovascular Disease (Cardiology) (9), Cardiac Electrophysiology (2), Advanced Heart Failure and Transplant Cardiology (1); 1 practice at this address and 12 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 2, 2009
- **Other identifiers:** Medicare ID-Type Unspecified M14920 (MA); Medicaid 9759581 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1942251335) · Data from the CMS NPPES public registry.