Active NPI
Zachary T Bolten, MD
- Diagnostic Radiology Physician
- Baltimore, MD
National Provider Identifier
1861078800
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Diagnostic Radiology Physician
- License
- D0095122
- Practice address
- 1800 Orleans St
Baltimore, MD 21287-0010 - Phone
- (410) 502-2037
- NPI assigned
- Mar 21, 2021
- Last updated
- Aug 10, 2026
- 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 |
|---|---|---|---|---|
| Diagnostic Radiology Physician | 2085R0202X | D0095122 | MD | Primary |
Addresses
Primary practice location
1800 Orleans St
Baltimore, MD 21287-0010
Mailing address
6201 Greenleigh Ave
Middle River, MD 21220-2004
Phone (410) 955-5000
Other practice location 1
22 S Greene St
N2E14E, Diagnostic Radiology
Baltimore, MD 21201
Phone (410) 328-9312
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
Care Compare profile
Medicare Care Compare- Specialty
- Diagnostic Radiology
- Education
- University of Maryland School of Medicine, 2021
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
6201 Greenleigh Ave
Middle River, MD 21220-2004
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1616284800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1786320000000",
"number": "1861078800",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6201 GREENLEIGH AVE",
"city": "MIDDLE RIVER",
"state": "MD",
"postal_code": "212202004",
"telephone_number": "410-955-5000",
"fax_number": "410-500-4266"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1800 ORLEANS ST",
"city": "BALTIMORE",
"state": "MD",
"postal_code": "212870010",
"telephone_number": "410-502-2037"
}
],
"practiceLocations": [
{
"address_1": "22 S Greene St",
"address_2": "N2E14E, Diagnostic Radiology",
"address_purpose": "LOCATION",
"city": "Baltimore",
"state": "MD",
"postal_code": "21201",
"country_code": "US",
"telephone_number": "410-328-9312",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "BOLTEN",
"first_name": "ZACHARY",
"middle_name": "T",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2021-03-21",
"last_updated": "2026-08-10",
"certification_date": "2026-08-10",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "MD",
"license": "D0095122",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Baltimore, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 10, 2026; 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.