Martha Brownlee-Duffeck, PH.D.
NPI 1023077237 · Clinical Psychologist · Columbia, MO
Martha Brownlee-Duffeck, PH.D. is a Clinical Psychologist provider in Columbia, MO (NPI 1023077237).
Provider details
- NPI number
- 1023077237
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- No
- License
- PY01339 (MO)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Registry dates
- Enumerated
- 2006-03-17
- Last updated
- 2008-06-13
Frequently asked questions
- What is Martha Brownlee-Duffeck's NPI number?
- Martha Brownlee-Duffeck's National Provider Identifier (NPI) is 1023077237, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Brownlee-Duffeck's specialty?
- Martha Brownlee-Duffeck is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Martha Brownlee-Duffeck located?
- Martha Brownlee-Duffeck's practice location on file with NPPES is 800 Hospital Dr, Columbia, MO 65201-5275.
- What is Martha Brownlee-Duffeck's phone number?
- The practice phone number listed in the NPPES registry for Martha Brownlee-Duffeck is (573) 814-6000.
- Is Martha Brownlee-Duffeck's NPI active?
- Yes — Martha Brownlee-Duffeck's NPI (1023077237) is active in the NPPES registry as of the last update on 2008-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.