Active NPI
Claire Marie Weitz, M.D.
- Maternal & Fetal Medicine Physician
- Baltimore, MD
National Provider Identifier
1477566958
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Maternal & Fetal Medicine Physician
- License
- D0028169
- Practice address
- 6565 N Charles St
Suite 406
Baltimore, MD 21204-6800 - Phone
- (443) 849-2568
- Fax
- (410) 321-7344
- NPI assigned
- Aug 14, 2006
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Obstetrics & Gynecology Physician | 207V00000X | D0028169 | MD | |
| Maternal & Fetal Medicine Physician | 207VM0101X | D0028169 | MD | Primary |
Addresses
Primary practice location
6565 N Charles St
Suite 406
Baltimore, MD 21204-6800
Mailing address
6565 N Charles St
Suite 406
Baltimore, MD 21204-6800
Phone (443) 849-2568
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 |
|---|---|---|---|
| D0028169 | MD | MD | Obstetrics & Gynecology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Frederick Health Hospital Inc | Past | Accepting new patients |
Organizations & group practices 1
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.
-
- General Acute Care Hospital
- Frederick, MD
- NPI 1538165527
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1155513600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1477566958",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6565 N CHARLES ST",
"address_2": "SUITE 406",
"city": "BALTIMORE",
"state": "MD",
"postal_code": "212046800",
"telephone_number": "443-849-2568",
"fax_number": "410-321-7344"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6565 N CHARLES ST",
"address_2": "SUITE 406",
"city": "BALTIMORE",
"state": "MD",
"postal_code": "212046800",
"telephone_number": "443-849-2568",
"fax_number": "410-321-7344"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WEITZ",
"first_name": "CLAIRE",
"middle_name": "MARIE",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-08-14",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "207V00000X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology",
"state": "MD",
"license": "D0028169",
"primary": false
},
{
"code": "207VM0101X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology, Maternal & Fetal Medicine",
"state": "MD",
"license": "D0028169",
"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 Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.