CHRISTOPHER J MILLS MD
NPI 1750349601
Psychiatry & Neurology - Psychiatry in Keene, NH
About Christopher J Mills Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTOPHER J MILLS MD (NPI 1750349601) is an individual psychiatry provider in Keene, New Hampshire, licensed in New Hampshire (10096) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Cheshire Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
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
Christopher J Mills 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
3Medicare enrollment records show Christopher Mills reassigns Medicare billing to 3 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
- 2,999 clinicians in this Medicare group
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 3 clinicians in this Medicare group
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 450 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cheshire Medical Center
Acute Care Hospitals · Keene, NHPhysician 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.
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.
Other Providers at the Same Location NPPES 4
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 Christopher Mills's NPI number?
The NPI number for Christopher Mills is 1750349601. It was assigned to this individual provider in the NPPES registry on May 2, 2006.
Where is Christopher Mills located?
Christopher Mills practices at 100 Emerald St Ste D, Keene, NH 03431. The listed phone number is (603) 903-0003.
What is Christopher Mills's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Christopher Mills enrolled in Medicare?
Yes. Christopher Mills 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 Christopher Mills's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Mills reassigns Medicare benefits to 3 organizations: Dartmouth-Hitchcock Clinic (Keene, NH), Anew Behavioral Health LLC (Keene, NH) and Cheshire Medical Center (Keene, NH). 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 Christopher Mills's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christopher Mills accept?
Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Oscar Health Insurance, Oscar Insurance Corporation of Ohio and UnitedHealthcare list Christopher Mills 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 Christopher Mills affiliated with any hospitals?
According to CMS data, Christopher Mills is affiliated with Cheshire Medical Center.
When was this NPI record last updated?
The NPPES record for Christopher Mills was last updated on March 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.
# Christopher J Mills, MD · NPI 1750349601
Psychiatry physician in Keene, New Hampshire. Individual provider, active in the CMS NPPES registry since May 2, 2006.
## Identity
- **NPI:** 1750349601 (Entity type: Individual)
- **Enumerated:** May 2, 2006
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 10096 (New Hampshire)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 100 EMERALD ST STE D, Keene, NH 03431-3680
- **Phone:** (603) 903-0003 · **Fax:** (800) 480-7578
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Dartmouth-Hitchcock Clinic (NPI 1174176861, Keene, NH); Anew Behavioral Health LLC (NPI 1023605334, Keene, NH); Cheshire Medical Center (NPI 1093803397, Keene, NH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1993
## Record status
- **NPPES last updated:** March 3, 2026
- **Other identifiers:** Medicaid 3120172 (NH)
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Source: [NPI Profile](https://npiprofile.com/npi/1750349601) · Data from the CMS NPPES public registry.