DR. ARTHUR C WEINSTOCK III DO
NPI 1487629234
Hospitalist in West Barnstable, MA
About Dr. Arthur C Weinstock Iii Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ARTHUR C WEINSTOCK III DO (NPI 1487629234) is an individual hospitalist provider in West Barnstable, Massachusetts, licensed in Massachusetts (203959) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Arthur C Weinstock Iii Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
7Medicare enrollment records show Arthur Weinstock reassigns Medicare billing to 7 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
- 678 clinicians in this Medicare group
Falmouth, MA 02540
- Reassigned Medicare billing, Massachusetts enrollment
- 238 clinicians in this Medicare group
Holyoke, MA 01040
- Reassigned Medicare billing, Massachusetts enrollment
- 241 clinicians in this Medicare group
New York, NY 10016
- Reassigned Medicare billing, Texas enrollment
- 62 clinicians in this Medicare group
Passaic, NJ 07055
- Reassigned Medicare billing, New Jersey enrollment
- 51 clinicians in this Medicare group
Sumter, SC 29150
- Reassigned Medicare billing, Massachusetts and Oregon enrollments
- 5 clinicians in this Medicare group
Redding, CA 96001
- Reassigned Medicare billing, California enrollment
- 46 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 3
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02668 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Arthur Weinstock's NPI number?
The NPI number for Arthur Weinstock is 1487629234. It was assigned to this individual provider in the NPPES registry on February 22, 2006.
Where is Arthur Weinstock located?
Arthur Weinstock practices at 140 Capes Trl, West Barnstable, MA 02668. The listed phone number is (508) 362-1531.
What is Arthur Weinstock's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Arthur Weinstock enrolled in Medicare?
Yes. Arthur Weinstock is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Arthur Weinstock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Arthur Weinstock reassigns Medicare benefits to 7 organizations: Physicians Of Cape Cod Hospital (Hyannis, MA), Physicians Of Falmouth Hospital (Falmouth, MA), Holyoke Medical Center, Inc. (Holyoke, MA), Ccmma Tx PLLC (New York, NY), Ccmma Nj LLC (Passaic, NJ) and 2 more organizations, listed in the Medicare section above. 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 Arthur Weinstock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Arthur Weinstock accept?
Health plans from Blue Cross and Blue Shield of Texas list Arthur Weinstock 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 Arthur Weinstock 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.