AARON DICKSTEIN M.D.
NPI 1003059239
Internal Medicine - Gastroenterology in Boston, MA
About Aaron Dickstein M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AARON DICKSTEIN M.D. (NPI 1003059239) is an individual gastroenterology provider in Boston, Massachusetts, licensed in Massachusetts (254660) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS, is affiliated with Cape Cod Hospital, and is a graduate of Tufts University School Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses
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
Aaron Dickstein M.d. 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 Aaron Dickstein reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hyannis, MA 02601
- Reassigned Medicare billing, Massachusetts enrollment
- 423 clinicians in this Medicare group
Hyannis, MA 02601
- Reassigned Medicare billing, Massachusetts enrollment
- 678 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.
Areas of Expertise CMS Part B claims 13
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cape Cod Hospital
Acute Care Hospitals · Hyannis, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02111 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 02111
BOSTON, MA 02111
BOSTON, MA 02111
BOSTON, MA 02111
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 Aaron Dickstein's NPI number?
The NPI number for Aaron Dickstein is 1003059239. It was assigned to this individual provider in the NPPES registry on April 17, 2009.
Where is Aaron Dickstein located?
Aaron Dickstein practices at 800 Washington St Box 233, Boston, MA 02111. The listed phone number is (617) 636-5883.
What is Aaron Dickstein's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Aaron Dickstein enrolled in Medicare?
Yes. Aaron Dickstein 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 Aaron Dickstein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Dickstein reassigns Medicare benefits to 2 organizations: Medical Affiliates Of Cape Cod, Inc. (Hyannis, MA) and Physicians Of Cape Cod Hospital (Hyannis, 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 Aaron Dickstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Aaron Dickstein accept?
Health plans from Taro Health list Aaron Dickstein 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 Aaron Dickstein affiliated with any hospitals?
According to CMS data, Aaron Dickstein is affiliated with Cape Cod Hospital.
When was this NPI record last updated?
The NPPES record for Aaron Dickstein was last updated on February 5, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.