Active NPI
Justin Mager, M.D.
- Internal Medicine Physician
- Mill Valley, CA
National Provider Identifier
1669672739
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- A95972
- Practice address
- 239 Miller Ave
#8
Mill Valley, CA 94941-2841 - Phone
- (415) 730-4235
- Fax
- (415) 952-9345
- NPI assigned
- Jul 18, 2007
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | A95972 | CA | Primary |
Addresses
Primary practice location
239 Miller Ave
#8
Mill Valley, CA 94941-2841
Mailing address
239 Miller Ave
#8
Mill Valley, CA 94941-2841
Phone (415) 730-4235
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
- Opted out of Medicare
- Yes, effective Jul 5, 2016 through Jul 5, 2028
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A95972 | CA | MD | Internal Medicine Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1184716800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1352073600000",
"number": "1669672739",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "239 MILLER AVE",
"address_2": "#8",
"city": "MILL VALLEY",
"state": "CA",
"postal_code": "949412841",
"telephone_number": "415-730-4235",
"fax_number": "415-952-9345"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "239 MILLER AVE",
"address_2": "#8",
"city": "MILL VALLEY",
"state": "CA",
"postal_code": "949412841",
"telephone_number": "415-730-4235",
"fax_number": "415-952-9345"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MAGER",
"first_name": "JUSTIN",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-07-18",
"last_updated": "2012-11-05",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "A95972",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Mill Valley, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 5, 2012; 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; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.