RICHARD D SIEGEL MD
NPI 1508977059
Internal Medicine - Endocrinology, Diabetes & Metabolism in Boston, MA
About Richard D Siegel Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RICHARD D SIEGEL MD (NPI 1508977059) is an individual endocrinology, diabetes & metabolism provider in Boston, Massachusetts, licensed in Massachusetts (74658) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Northwest Community Hospital 1, and is a graduate of Other (1990).
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
Richard D Siegel 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 Richard Siegel reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02111
- Reassigned Medicare billing, Massachusetts enrollment
- 334 clinicians in this Medicare group
Medford, MA 02155
- Reassigned Medicare billing, Massachusetts enrollment
- 246 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 9
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwest Community Hospital 1
Acute Care Hospitals · Arlington Heights, ILTufts Medical Center
Acute Care Hospitals · Boston, 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.
Referred Medical Equipment & Supplies CMS DME claims 7
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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
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 Richard Siegel's NPI number?
The NPI number for Richard Siegel is 1508977059. It was assigned to this individual provider in the NPPES registry on August 31, 2006.
Where is Richard Siegel located?
Richard Siegel practices at 750 Washington St Nemc Box 836, Boston, MA 02111. The listed phone number is (617) 636-5000.
What is Richard Siegel's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Richard Siegel enrolled in Medicare?
Yes. Richard Siegel 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 Richard Siegel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Richard Siegel reassigns Medicare benefits to 2 organizations: Pratt Medical Group, Inc (Boston, MA) and Hallmark Health Medical Associates Inc (Medford, 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 Richard Siegel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Richard Siegel accept?
Health plans from Anthem Blue Cross and Blue Shield list Richard Siegel 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 Richard Siegel affiliated with any hospitals?
According to CMS data, Richard Siegel is affiliated with Northwest Community Hospital 1 and Tufts Medical Center.
When was this NPI record last updated?
The NPPES record for Richard Siegel was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Richard D Siegel, MD · NPI 1508977059
Endocrinology, Diabetes & Metabolism physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since August 31, 2006.
## Identity
- **NPI:** 1508977059 (Entity type: Individual)
- **Enumerated:** August 31, 2006
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **State license:** 74658 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 750 WASHINGTON ST, NEMC BOX 836, Boston, MA 02111-1526
- **Phone:** (617) 636-5000
## 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): Pratt Medical Group, Inc (NPI 1013237809, Boston, MA); Hallmark Health Medical Associates Inc (NPI 1770563900, Medford, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1990
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1508977059) · Data from the CMS NPPES public registry.