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Barbara Siddle, PHD
NPI 1952422131 · Psychologist · Columbia, MD
Barbara Siddle, PHD is a Psychologist provider in Columbia, MD (NPI 1952422131).
Provider details
- NPI number
- 1952422131
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 1652 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
8640 Guilford Rd
Suite 252
Columbia, MD 21046-2655
Phone: (410) 312-7250
Fax: (410) 312-7298
Street-level locationGet directions
Mailing address
11301 Willow Bottom Dr
Columbia, MD 21044-1070
Registry dates
- Enumerated
- 2007-04-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Barbara Siddle's NPI number?
- Barbara Siddle's National Provider Identifier (NPI) is 1952422131, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Siddle's specialty?
- Barbara Siddle is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Barbara Siddle located?
- Barbara Siddle's practice location on file with NPPES is 8640 Guilford Rd, Columbia, MD 21046-2655.
- What is Barbara Siddle's phone number?
- The practice phone number listed in the NPPES registry for Barbara Siddle is (410) 312-7250.
- Is Barbara Siddle's NPI active?
- Yes — Barbara Siddle's NPI (1952422131) 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.