CHRISTOPHER J MILLS MD
NPI 1750349601
Psychiatry & Neurology - Psychiatry in Keene, NH

Active since May 02, 2006PECOS EnrolledAccepts Medicare Assignment
78.61/100
CMS Quality Rating
100 EMERALD ST STE D, KEENE, NH 03431(603) 903-0003(800) 480-7578 Get Directions Write a Review

NPPES record last updated: March 3, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 3, 2026, Nov 20, 2025, Jun 4, 2021 and 2 more (5 updates tracked since 2015).

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

NPI1750349601
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameCHRISTOPHER J MILLSCredential: MD
Location Address100 EMERALD ST STE DKeene, NH 03431-3680
Mailing Address14 Concord Hill DrKeene, NH 03431-2072 · (603) 283-8586
Fax(800) 480-7578
Sole ProprietorYes
Medical School CMSOtherGraduated 1993
Enumeration DateMay 2, 2006
Last NPPES UpdateMarch 3, 20265 updates tracked since enumeration
NPPES CertifiedMarch 3, 2026
NPI 1750349601 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in NH · 10096
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
100 EMERALD ST STE D, Keene, NH 03431

Secondary Practice Locations 2

Location 1400 E State St Ste DAthens, OH 45701-1870 · Phone (866) 534-2639 · Fax (800) 480-7578
Location 2372 West St Ste 102Keene, NH 03431-2412 · Phone (866) 534-2639

Other Identifiers 1

Medicaid3120172NH

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID7517979800
PECOS Enrollment IDI20210601000304
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
84 services35 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
35 services17 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
27 services15 patients
Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
22 services22 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
17 services11 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
16 services12 patients

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, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300019
Location580 Court StreetKeene, NH 03431 · Cheshire County
Emergency services Birthing friendly

Physician 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.

New Patient
$174.26 typical visit price
range $57.75 – $174.26
Typical copayment $43.56 (range $14.43 – $43.56)
Most-billed visit code 99205
Established Patient
$71.85 typical visit price
range $18.70 – $142.15
Typical copayment $17.96 (range $4.67 – $35.53)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

78.61/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality75.22
Promoting Interoperability100
Improvement Activities40
Cost53.49

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.

Counselor (Addiction (Substance Use Disorder))
100 EMERALD ST STE D
KEENE, NH 03431
Registered Nurse
100 EMERALD ST STE D
KEENE, NH 03431
Counselor (Mental Health)
100 EMERALD ST STE D
KEENE, NH 03431
Social Worker (Clinical)
100 EMERALD ST STE D
KEENE, NH 03431

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.

What insurance does Christopher Mills accept?

Health plans from Ambetter from NH Healthy Families and Harvard Pilgrim Health Care 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 with the weekly NPPES data releases published by CMS.