Individual provider Active NPI

Mary R Speth, PH.D

  • Psychologist
  • Towson, MD
National Provider Identifier
1164475190
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
PsychologistTaxonomy code 103T00000X
License
03675 Issued in MD
Practice address
901 Dulaney Valley Rd
Ste 129
Towson, MD 21204-2600
Phone
(410) 832-2729
Fax
(410) 832-5783
NPI assigned
May 19, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychologist 103T00000X 03675 MD Primary

Addresses

Primary practice location

901 Dulaney Valley Rd
Ste 129
Towson, MD 21204-2600

Mailing address

901 Dulaney Valley Rd
Ste 129
Towson, MD 21204-2600
Phone (410) 832-2729

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, DC2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20040126000582 MD Practitioner - Clinical Psychologist 8325940653 Reassigns benefits to 1 organization
I20070327000703 DC Practitioner - Clinical Psychologist 8325940653 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Clinical Psychologist
Education
Other, 1996
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Della Behavioral Health ServicesGroup PAC ID 3971755000, 54 clinicians

Practice addresses (Care Compare)

9841 Broken Land Pkwy
Suite 314
Columbia, MD 21046-3078
Phone (410) 929-7225

Merit-based Incentive Payment System (MIPS)

Final score
89.8 of 100Reported as group
Quality
75.8
Improvement activities
40
Cost
77.01

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
03675MDMDPsychologist

Practice roles

OrganizationSpecialtyStatusNew patients
Della Behavioral Health Services Psychologist CurrentSince May 3, 2021 Accepting new patients
Advanced Behavioral Care, Inc. Past Accepting new patients
Bay Counseling MD LLC Past Accepting new patients

Locations

9841 Broken Land Pkwy
Ste 314
Columbia, MD 21046
Phone (410) 929-7225

Organizations & group practices 3

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.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1147996800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1164475190",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "901 DULANEY VALLEY RD",
            "address_2": "STE 129",
            "city": "TOWSON",
            "state": "MD",
            "postal_code": "212042600",
            "telephone_number": "410-832-2729",
            "fax_number": "410-832-5783"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "901 DULANEY VALLEY RD",
            "address_2": "STE 129",
            "city": "TOWSON",
            "state": "MD",
            "postal_code": "212042600",
            "telephone_number": "410-832-2729",
            "fax_number": "410-832-5783"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SPETH",
        "first_name": "MARY",
        "middle_name": "R",
        "credential": "PH.D",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-19",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "MD",
            "license": "03675",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Towson, MD

Sources for this page

Verify at the official NPI Registry.