DR. RUCCI MARCUS CHANG FOO MD
NPI 1922621945
Internal Medicine in Boston, MA
About Dr. Rucci Marcus Chang Foo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RUCCI MARCUS CHANG FOO MD (NPI 1922621945) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (292575) and active in the NPI registry since May 2020. He is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and maintains a secondary practice location in Cambridge.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Rucci Marcus Chang Foo Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Rucci Marcus Foo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cambridge, MA 02139
- Reassigned Medicare billing, Massachusetts enrollment
- 719 clinicians in this Medicare group
Cambridge, MA 02138
- Reassigned Medicare billing, Massachusetts enrollment
- 423 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount Auburn Hospital
Acute Care Hospitals · Cambridge, MACambridge Health Alliance
Acute Care Hospitals · Cambridge, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02215
BOSTON, MA 02215
BOSTON, MA 02215
BOSTON, MA 02215
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 Rucci Marcus Foo's NPI number?
The NPI number for Rucci Marcus Foo is 1922621945. It was assigned to this individual provider in the NPPES registry on May 26, 2020.
Where is Rucci Marcus Foo located?
Rucci Marcus Foo practices at 330 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 667-7000.
What is Rucci Marcus Foo's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Rucci Marcus Foo enrolled in Medicare?
Yes. Rucci Marcus Foo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Rucci Marcus Foo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rucci Marcus Foo reassigns Medicare benefits to 2 organizations: Cambridge Public Health Commission (Cambridge, MA) and Mount Auburn Professional Services Inc (Cambridge, 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 Rucci Marcus Foo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rucci Marcus Foo accept?
Health plans from Taro Health list Rucci Marcus Foo 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.
Is Rucci Marcus Foo affiliated with any hospitals?
According to CMS data, Rucci Marcus Foo is affiliated with Mount Auburn Hospital and Cambridge Health Alliance.
When was this NPI record last updated?
The NPPES record for Rucci Marcus Foo was last updated on August 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. Rucci Marcus Chang Foo, MD · NPI 1922621945
Internal Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since May 26, 2020.
## Identity
- **NPI:** 1922621945 (Entity type: Individual)
- **Enumerated:** May 26, 2020
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 292575 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 330 BROOKLINE AVE, Boston, MA 02215-5491
- **Phone:** (617) 667-7000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Cambridge Public Health Commission (NPI 1487603585, Cambridge, MA); Mount Auburn Professional Services Inc (NPI 1992750996, Cambridge, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Medical College, class of 2020
## Record status
- **NPPES last updated:** August 18, 2025
- **Other identifiers:** Medicaid 110162838A (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1922621945) · Data from the CMS NPPES public registry.