DR. PETER CHIA-GEE CHIEN MD
NPI 1508063470
Internal Medicine - Cardiovascular Disease in Keene, NH
About Dr. Peter Chia-gee Chien Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PETER CHIA-GEE CHIEN MD (NPI 1508063470) is an individual cardiovascular disease provider in Keene, New Hampshire, licensed in New Hampshire (17615) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and maintains a secondary practice location in Waterbury.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 5
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
Dr. Peter Chia-gee Chien 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
5Medicare enrollment records show Peter Chien reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 450 clinicians in this Medicare group
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 2,999 clinicians in this Medicare group
Lebanon, NH 03756
- Reassigned Medicare billing, New Hampshire enrollment
- 2,620 clinicians in this Medicare group
Pittsfield, MA 01201
- Reassigned Medicare billing, Massachusetts enrollment
- 405 clinicians in this Medicare group
York, ME 03909
- Reassigned Medicare billing, New Hampshire enrollment
- 11 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 8
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mary Hitchcock Memorial Hospital
Acute Care Hospitals · Lebanon, NHCheshire Medical Center
Acute Care Hospitals · Keene, NHMonadnock Community Hospital
Critical Access Hospitals · Peterborough, NHBrattleboro Memorial Hospital
Acute Care Hospitals · Brattleboro, VTSpringfield Hospital
Critical Access Hospitals · Springfield, VTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03431 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.
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 Peter Chien's NPI number?
The NPI number for Peter Chien is 1508063470. It was assigned to this individual provider in the NPPES registry on July 2, 2007.
Where is Peter Chien located?
Peter Chien practices at 580 Court St, Keene, NH 03431. The listed phone number is (603) 354-5400.
What is Peter Chien's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Peter Chien enrolled in Medicare?
Yes. Peter Chien 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 Peter Chien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Chien reassigns Medicare benefits to 5 organizations: Cheshire Medical Center (Keene, NH), Dartmouth-Hitchcock Clinic (Keene, NH), Mary Hitchcock Memorial Hospital (Lebanon, NH), Berkshire Faculty Services Inc (Pittsfield, MA) and York Hospital (York, ME). 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 Peter Chien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Peter Chien accept?
Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Peter Chien 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 Peter Chien affiliated with any hospitals?
According to CMS data, Peter Chien is affiliated with Mary Hitchcock Memorial Hospital, Cheshire Medical Center, Monadnock Community Hospital, Brattleboro Memorial Hospital and Springfield Hospital.
When was this NPI record last updated?
The NPPES record for Peter Chien was last updated on February 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Peter Chia-Gee Chien, MD · NPI 1508063470
Cardiovascular Disease physician in Keene, New Hampshire. Individual provider, active in the CMS NPPES registry since July 2, 2007.
## Identity
- **NPI:** 1508063470 (Entity type: Individual)
- **Enumerated:** July 2, 2007
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** 17615 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 580 COURT ST, Keene, NH 03431-1718
- **Phone:** (603) 354-5400
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Cheshire Medical Center (NPI 1093803397, Keene, NH); Dartmouth-Hitchcock Clinic (NPI 1174176861, Keene, NH); Mary Hitchcock Memorial Hospital (NPI 1023092053, Lebanon, NH); Berkshire Faculty Services Inc (NPI 1548212939, Pittsfield, MA); York Hospital (NPI 1376528398, York, ME) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** February 12, 2024
- **Other identifiers:** Other 1153276 (CT); Other P00964319 (CT); Medicaid 001410323 (CT); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1508063470) · Data from the CMS NPPES public registry.