Mary Speth, PH.D
NPI 1164475190 · Psychologist · Towson, MD
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Speth, PH.D is a Psychologist provider in Towson, MD (NPI 1164475190).
Provider details
- NPI number
- 1164475190
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D
- Sex
- Female
- License
- 03675 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,893 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Psychotherapy, 30 Minutes90832 | 525 | $70 |
| Psychiatric Diagnostic Evaluation90791 | 306 | $153 |
| Psychotherapy, 45 Minutes90834 | 218 | $93 |
| Evaluation of Neuropsychological Test, First Hour96132 | 216 | $108 |
| Administration of Psychological Or Neuropsychological Test, First 30 Minutes96136 | 216 | $24 |
| Psychotherapy, 1 Hour90837 | 207 | $137 |
| Psychotherapy, 30 Minutes90832 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Speth's NPI number?
- Mary Speth's National Provider Identifier (NPI) is 1164475190, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Speth's specialty?
- Mary Speth is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Mary Speth located?
- Mary Speth's practice location on file with NPPES is 901 Dulaney Valley Rd, Towson, MD 21204-2600.
- What is Mary Speth's phone number?
- The practice phone number listed in the NPPES registry for Mary Speth is (410) 832-2729.
- Does Mary Speth accept Medicare?
- Mary Speth is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Speth's NPI active?
- Yes — Mary Speth's NPI (1164475190) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.