DR. CHRISTOPHER JAMES YIACHOS MD
NPI 1235690256
Internal Medicine in Concord, NH

Active since March 31, 2019PECOS EnrolledAccepts Medicare Assignment
89.36/100
CMS Quality Rating
250 PLEASANT ST STE 6073, CONCORD, NH 03301(603) 227-7000(603) 227-7588 Get Directions Write a Review

NPPES record last updated: August 1, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 25, 2022, Jul 21, 2022 (2 updates tracked since 2022).

About Dr. Christopher James Yiachos Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHRISTOPHER JAMES YIACHOS MD (NPI 1235690256) is an individual internal medicine provider in Concord, New Hampshire, licensed in New Hampshire (22352) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Concord Hospital, and maintains a secondary practice location in Staten Island.

NPPES Registry Identity

NPI1235690256
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. CHRISTOPHER JAMES YIACHOSCredential: MD
Location Address250 PLEASANT ST STE 6073Concord, NH 03301-2598
Mailing Address250 Pleasant St Ste 6073Concord, NH 03301-2598 · (603) 227-7000 · Fax (603) 227-7588
Fax(603) 227-7588
Sole ProprietorNo
Medical School CMSState University Of New York Downstate Medical CenterGraduated 2019
Enumeration DateMarch 31, 2019
Last NPPES UpdateAugust 1, 20252 updates tracked since enumeration
NPPES CertifiedAugust 1, 2025
NPI 1235690256 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in NH · 22352
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedHospitalistTaxonomy 208M00000X · License 22352 (NH)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 244202
250 PLEASANT ST STE 6073, Concord, NH 03301

Secondary Practice Location 1

Location 1475 Seaview AveStaten Island, NY 10305-3436 · Phone (718) 226-9000

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

Dr. Christopher James Yiachos 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 ID4183953334
PECOS Enrollment IDI20220804003697
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 2

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.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
307 services297 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
24 services24 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Concord Hospital

Acute Care Hospitals · Concord, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300001
Location250 Pleasant StConcord, NH 03301 · Merrimack County
Birthing friendly

Concord Hospital- Laconia

Acute Care Hospitals · Laconia, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300005
Location80 Highland StLaconia, NH 03246 · Belknap County
Emergency services

Concord Hospital- Franklin

Critical Access Hospitals · Franklin, NH
OwnershipVoluntary non-profit - Private
CMS Certification Number301306
Location15 Aiken AvenueFranklin, NH 03235 · Merrimack County
Emergency services

Huggins Hospital

Critical Access Hospitals · Wolfeboro, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number301312
Location240 South Main StreetWolfeboro, NH 03894 · Carroll County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03301 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
$132.09 typical visit price
range $57.75 – $174.26
Typical copayment $33.02 (range $14.43 – $43.56)
Most-billed visit code 99204
Established Patient
$101.54 typical visit price
range $18.70 – $142.15
Typical copayment $25.38 (range $4.67 – $35.53)
Most-billed visit code 99214
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.

89.36/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality72.19
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
250 PLEASANT ST STE 6073
CONCORD, NH 03301
Hospitalist
250 PLEASANT ST STE 6073
CONCORD, NH 03301
Nurse Practitioner (Acute Care)
250 PLEASANT ST STE 6073
CONCORD, NH 03301
Physician Assistant
250 PLEASANT ST STE 6073
CONCORD, NH 03301
Internal Medicine
250 PLEASANT ST STE 6073
CONCORD, NH 03301
Physician Assistant
250 PLEASANT ST STE 6073
CONCORD, NH 03301
Hospitalist
250 PLEASANT ST STE 6073
CONCORD, NH 03301
Nurse Practitioner (Family)
250 PLEASANT ST STE 6073
CONCORD, NH 03301

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 Yiachos's NPI number?

The NPI number for Christopher Yiachos is 1235690256. It was assigned to this individual provider in the NPPES registry on March 31, 2019.

Where is Christopher Yiachos located?

Christopher Yiachos practices at 250 Pleasant St Ste 6073, Concord, NH 03301. The listed phone number is (603) 227-7000.

What is Christopher Yiachos's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Christopher Yiachos enrolled in Medicare?

Yes. Christopher Yiachos 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 Yiachos accept?

Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield and WellSense Health Plan list Christopher Yiachos 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 Yiachos affiliated with any hospitals?

According to CMS data, Christopher Yiachos is affiliated with Concord Hospital, Concord Hospital- Laconia, Concord Hospital- Franklin and Huggins Hospital.

When was this NPI record last updated?

The NPPES record for Christopher Yiachos was last updated on August 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.