DR. MICHAEL C ARENA MD
NPI 1093976649
Psychiatry & Neurology - Psychiatry in Cambridge, MA
About Dr. Michael C Arena Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL C ARENA MD (NPI 1093976649) is an individual psychiatry provider in Cambridge, Massachusetts, licensed in California (A138433) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS and is a graduate of Boston University School Of Medicine (2008).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
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. Michael C Arena 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
5Medicare enrollment records show Michael Arena reassigns Medicare billing to 5 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
- 362 clinicians in this Medicare group
Concord, NC 28025
- Reassigned Medicare billing, North Carolina enrollment
- 241 clinicians in this Medicare group
Santee, CA 92071
- Reassigned Medicare billing, California enrollment
- 105 clinicians in this Medicare group
El Cajon, CA 92020
- Reassigned Medicare billing, California enrollment
- 1,100 clinicians in this Medicare group
Santa Cruz, CA 95060
- Reassigned Medicare billing, California enrollment
- 49 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02139 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.
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 Michael Arena's NPI number?
The NPI number for Michael Arena is 1093976649. It was assigned to this individual provider in the NPPES registry on June 17, 2008.
Where is Michael Arena located?
Michael Arena practices at 1493 Cambridge St, Cambridge, MA 02139. The listed phone number is (617) 665-1000.
What is Michael Arena's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Michael Arena enrolled in Medicare?
Yes. Michael Arena 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 Michael Arena's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Arena reassigns Medicare benefits to 5 organizations: Cambridge Public Health Commission (Cambridge, MA), Daymark Recovery Services, Inc. (Concord, NC), County Of San Diego (Santee, CA), Family Health Centers Of San Diego, Inc. (El Cajon, CA) and County Of Santa Cruz (Santa Cruz, CA). 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 Michael Arena's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Michael Arena was last updated on October 11, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. Michael C Arena, MD · NPI 1093976649
Psychiatry physician in Cambridge, Massachusetts. Individual provider, active in the CMS NPPES registry since June 17, 2008.
## Identity
- **NPI:** 1093976649 (Entity type: Individual)
- **Enumerated:** June 17, 2008
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** A138433 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1493 CAMBRIDGE ST, Cambridge, MA 02139-1047
- **Phone:** (617) 665-1000
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Cambridge Public Health Commission (NPI 1306908405, Cambridge, MA); Daymark Recovery Services, Inc. (NPI 1558329243, Concord, NC); County Of San Diego (NPI 1962556290, Santee, CA); Family Health Centers Of San Diego, Inc. (NPI 1932561198, El Cajon, CA); County Of Santa Cruz (NPI 1659315430, Santa Cruz, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Boston University School Of Medicine, class of 2008
## Record status
- **NPPES last updated:** October 11, 2019
- **Other identifiers:** Medicaid 5921053 (NC); Medicaid NC1658 (SC); Medicaid 1093976649 (NC)
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Source: [NPI Profile](https://npiprofile.com/npi/1093976649) · Data from the CMS NPPES public registry.