JAMES Y. CHEN M.D.
NPI 1437189743
Anesthesiology in Nashua, NH
About James Y. Chen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES Y. CHEN M.D. (NPI 1437189743) is an individual anesthesiology provider in Nashua, New Hampshire, licensed in New Hampshire (11555) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Tufts University School Of Medicine (1992).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 2
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
James Y. Chen 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
4Medicare enrollment records show James Chen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Nashua, NH 03060
- Reassigned Medicare billing, New Hampshire enrollment
- 132 clinicians in this Medicare group
Hampstead, NH 03841
- Reassigned Medicare billing, New Hampshire enrollment
- 2,620 clinicians in this Medicare group
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 2,999 clinicians in this Medicare group
Weymouth, MA 02189
- Reassigned Medicare billing, Massachusetts enrollment
- 115 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 4
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.
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.
Reported Quality Measures
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 James Chen's NPI number?
The NPI number for James Chen is 1437189743. It was assigned to this individual provider in the NPPES registry on July 3, 2006.
Where is James Chen located?
James Chen practices at 8 Prospect St Anesthesia Department, Nashua, NH 03060. The listed phone number is (603) 889-2624.
What is James Chen's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is James Chen enrolled in Medicare?
Yes. James Chen 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 James Chen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Chen reassigns Medicare benefits to 4 organizations: North American Partners In Anesthesia New Hampshire LLP (Nashua, NH), Mary Hitchcock Memorial Hospital (Hampstead, NH), Dartmouth-Hitchcock Clinic (Keene, NH) and Capa Anesthesia LLC (Weymouth, 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 James Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Chen accept?
Health plans from Taro Health list James Chen 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 James Chen was last updated on July 25, 2023. 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.
# James Y. Chen, M.D. · NPI 1437189743
Anesthesiology physician in Nashua, New Hampshire. Individual provider, active in the CMS NPPES registry since July 3, 2006.
## Identity
- **NPI:** 1437189743 (Entity type: Individual)
- **Enumerated:** July 3, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 11555 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 8 PROSPECT ST, ANESTHESIA DEPARTMENT, Nashua, NH 03060-3925
- **Phone:** (603) 889-2624
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): North American Partners In Anesthesia New Hampshire LLP (NPI 1306838701, Nashua, NH); Mary Hitchcock Memorial Hospital (NPI 1699584219, Hampstead, NH); Dartmouth-Hitchcock Clinic (NPI 1174176861, Keene, NH); Capa Anesthesia LLC (NPI 1629723002, Weymouth, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tufts University School Of Medicine, class of 1992
## Record status
- **NPPES last updated:** July 25, 2023
- **Other identifiers:** Medicaid 30202064 (NH); Other 050087072
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Source: [NPI Profile](https://npiprofile.com/npi/1437189743) · Data from the CMS NPPES public registry.