William Birkby, M.D.
NPI 1396703948 · Anatomic Pathology & Clinical Pathology Physician · Columbia, MO
William Birkby, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Columbia, MO (NPI 1396703948).
Provider details
- NPI number
- 1396703948
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- R5533 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-05-03
- Last updated
- 2007-12-12
Frequently asked questions
- What is William Birkby's NPI number?
- William Birkby's National Provider Identifier (NPI) is 1396703948, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Birkby's specialty?
- William Birkby is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is William Birkby located?
- William Birkby's practice location on file with NPPES is 200 Portland St, Columbia, MO 65201-6525.
- What is William Birkby's phone number?
- The practice phone number listed in the NPPES registry for William Birkby is (573) 886-4600.
- Is William Birkby's NPI active?
- Yes — William Birkby's NPI (1396703948) is active in the NPPES registry as of the last update on 2007-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.