Active NPI
Christopher James Yiachos, MD
- Internal Medicine Physician
- Concord, NH
National Provider Identifier
1235690256
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 22352
- Practice address
- 250 Pleasant St Ste 6073
Concord, NH 03301-2598 - Phone
- (603) 227-7000
- Fax
- (603) 227-7588
- NPI assigned
- Mar 31, 2019
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Hospitalist Physician | 208M00000X | 22352 | NH | |
| Student in an Organized Health Care Education/Training Program | 390200000X | 244202 | ||
| Internal Medicine Physician | 207R00000X | 22352 | NH | Primary |
Addresses
Primary practice location
250 Pleasant St Ste 6073
Concord, NH 03301-2598
Mailing address
250 Pleasant St Ste 6073
Concord, NH 03301-2598
Phone (603) 227-7000
Other practice location 1
475 Seaview Ave
Staten Island, NY 10305-3436
Phone (718) 226-9000
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | cyiachos@crhc.cernerdirect.com | Direct |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NH
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20220804003697 | NH | Practitioner - Hospitalist | 4183953334 | Reassigns benefits to 5 organizations |
Care Compare profile
Medicare Care Compare- Specialty
- Hospitalist
- Education
- State University of New York Downstate Medical Center, 2019
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
250 Pleasant St
Concord, NH 03301-7559
Phone (603) 227-7000
30 County Dr
Laconia, NH 03246-2900
Phone (248) 660-1220
80 Highland St
Laconia, NH 03246-3235
Phone (603) 527-2819
Hospital & facility affiliations
- Compassus - Greater Manchester
- Concord Hospital
- Huggins Hospital
- Concord Hospital- Laconia
- Concord Hospital- Franklin
- Weeks Medical Center
- Mountain View Community
- Concord Hospital- Franklin
Merit-based Incentive Payment System (MIPS)
- Final score
- 89 of 100
- Quality
- 73.23
- Promoting interoperability
- 100
- Improvement activities
- 40
Merit-based Incentive Payment System (MIPS)
- Final score
- 89 of 100
- Quality
- 73.23
- Promoting interoperability
- 100
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 22352 | NH | MD | Hospitalist Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Concord Hospital, Inc. | Current | Accepting new patients | |
| Concord Hospital, Inc. | Current | Accepting new patients | |
| Concord Hospital-Franklin | Current | Accepting new patients | |
| Theoria Medical | Internal Medicine | Current | Accepting new patients |
| Concord Hospital, Inc. | Current | Accepting new patients | |
| Concord Hospital-Laconia | Internal Medicine | Current | Accepting new patients |
| Complexcare Medical Group Midwest M PLLC | Internal Medicine | Current | Accepting new patients |
| Concord Hospital, Inc. | Past | Accepting new patients | |
| County of Carroll | Past | Accepting new patients |
Locations
41800 W 11 Mile Rd
Ste 109
Novi, MI 48375
Phone (833) 578-2763
250 Pleasant St
Concord, NH 03301
Phone (603) 225-2711
33 Christian Ave
Concord, NH 03301
Phone (603) 224-5363
250 Pleasant St
Ofc
Concord, NH 03301
250 Pleasant St
Ste 6073
Concord, NH 03301
Phone 6032277000 ext. 3939
246 Pleasant St
Concord, NH 03301
Phone (603) 224-1223
250 Pleasant St
Fl 6
Concord, NH 03301
Phone (603) 224-8593
80 Highland St
Laconia, NH 03246
Phone (603) 527-7100
30 County Dr
Laconia, NH 03246
Phone (603) 527-5410
238 Daniel Webster Hwy
Meredith, NH 03253
Phone (603) 279-7464
93 Water Village Rd
Ossipee, NH 03864
Phone (603) 297-4416
139 Winter St
Tilton, NH 03276
Phone (603) 493-0665
Interoperability endpoints
- cyiachos@crhc.cernerdirect.com
Organizations & group practices 9
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Internal Medicine Physician
- Novi, MI
- NPI 1528851607
Internal Medicine, NH
-
- Psychiatric Hospital Unit
- Concord, NH
- NPI 1124070966
-
- General Practice Physician
- Concord, NH
- NPI 1801840764
-
- General Acute Care Hospital
- Concord, NH
- NPI 1215988530
-
- Skilled Nursing Facility
- Ossipee, NH
- NPI 1902892466
Hospital & facility affiliations 11
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Community Based Hospice Care Agency
- Bedford, NH
- NPI 1982958583
Hospice
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1553990400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1754006400000",
"number": "1235690256",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "250 PLEASANT ST STE 6073",
"city": "CONCORD",
"state": "NH",
"postal_code": "033012598",
"telephone_number": "603-227-7000",
"fax_number": "603-227-7588"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "250 PLEASANT ST STE 6073",
"city": "CONCORD",
"state": "NH",
"postal_code": "033012598",
"telephone_number": "603-227-7000",
"fax_number": "603-227-7588"
}
],
"practiceLocations": [
{
"address_1": "475 Seaview Ave",
"address_purpose": "LOCATION",
"city": "Staten Island",
"state": "NY",
"postal_code": "103053436",
"country_code": "US",
"telephone_number": "718-226-9000",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "YIACHOS",
"first_name": "CHRISTOPHER",
"middle_name": "JAMES",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2019-03-31",
"last_updated": "2025-08-01",
"certification_date": "2025-08-01",
"status": "A"
},
"taxonomies": [
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "NH",
"license": "22352",
"primary": false
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": "244202",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "NH",
"license": "22352",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "cyiachos@crhc.cernerdirect.com",
"affiliation": "N",
"endpointDescription": "Concord Hospital Direct Email Address",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "CCDA",
"address_1": "250 Pleasant St Ste 6073",
"city": "Concord",
"state": "NH",
"country_code": "US",
"postal_code": "033012598",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}Other providers in Concord, NH
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 1, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.