DR. IRENE PIEN M.D.
NPI 1740677889
Plastic Surgery - Surgery of the Hand in Boston, MA
About Dr. Irene Pien M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. IRENE PIEN M.D. (NPI 1740677889) is an individual surgery of the hand provider in Boston, Massachusetts, licensed in Massachusetts (286554) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS and is a graduate of Duke University School Of Medicine (2015).
NPPES Registry Identity
Specialties & Licenses 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. Irene Pien 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 Reassignment
Medicare enrollment records show Irene Pien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 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 02114 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 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Irene Pien's NPI number?
The NPI number for Irene Pien is 1740677889. It was assigned to this individual provider in the NPPES registry on April 15, 2015.
Where is Irene Pien located?
Irene Pien practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 724-8801.
What is Irene Pien's specialty?
The primary specialty registered for this NPI is Plastic Surgery, specializing in Surgery of the Hand, with taxonomy code 2082S0105X.
Is Irene Pien enrolled in Medicare?
Yes. Irene Pien 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 organization bills Medicare for Irene Pien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Irene Pien reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, CA). The 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 Irene Pien'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 Irene Pien was last updated on December 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Irene Pien, M.D. · NPI 1740677889
Surgery of the Hand physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since April 15, 2015.
## Identity
- **NPI:** 1740677889 (Entity type: Individual)
- **Enumerated:** April 15, 2015
- **Primary specialty:** Plastic Surgery - Surgery of the Hand · taxonomy 2082S0105X
- **State license:** 286554 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST, Boston, MA 02114-2696
- **Phone:** (617) 724-8801
## 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:** Permanente Medical Group Inc (NPI 1548343510, Stockton, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Duke University School Of Medicine, class of 2015
## Record status
- **NPPES last updated:** December 7, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1740677889) · Data from the CMS NPPES public registry.