Active NPI
Richard Augustus Messian, M.D.
- Gastroenterology Physician
- Concord, CA
National Provider Identifier
1609929751
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gastroenterology Physician
- License
- G268490
- Practice address
- 2415 High School Ave
Suite 100
Concord, CA 94520-1800 - Phone
- (925) 687-9650
- Fax
- (925) 685-8447
- NPI assigned
- Jan 20, 2007
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Gastroenterology Physician | 207RG0100X | G268490 | CA | Primary |
Addresses
Primary practice location
2415 High School Ave
Suite 100
Concord, CA 94520-1800
Mailing address
2415 High School Ave
Suite 100
Concord, CA 94520-1800
Phone (925) 687-9650
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 942184663 | Other | CA | MY CORPORATION TAX ID # |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| G268490 | CA | MD | Gastroenterology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1169251200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1210032000000",
"number": "1609929751",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2415 HIGH SCHOOL AVE",
"address_2": "SUITE 100",
"city": "CONCORD",
"state": "CA",
"postal_code": "945201800",
"telephone_number": "925-687-9650",
"fax_number": "925-685-8447"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2415 HIGH SCHOOL AVE",
"address_2": "SUITE 100",
"city": "CONCORD",
"state": "CA",
"postal_code": "945201800",
"telephone_number": "925-687-9650",
"fax_number": "925-685-8447"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MESSIAN",
"first_name": "RICHARD",
"middle_name": "AUGUSTUS",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2007-01-20",
"last_updated": "2008-05-06",
"status": "A"
},
"taxonomies": [
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "CA",
"license": "G268490",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MY CORPORATION TAX ID #",
"identifier": "942184663",
"state": "CA"
}
],
"endpoints": [],
"other_names": []
}Other providers in Concord, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 6, 2008; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.