IndividualActive
Mary Klein
NPI 1255514519 · Specialist · Hannibal, MO
Mary Klein is a Specialist provider in Hannibal, MO (NPI 1255514519).
Provider details
- NPI number
- 1255514519
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
83% 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
4650 Mcmasters Ave
Hannibal, MO 63401-2244
Phone: (573) 221-1258
Fax: (573) 221-2994
Street-level locationGet directions
Mailing address
4650 Mcmasters Ave
Hannibal, MO 63401-2244
Registry dates
- Enumerated
- 2007-12-10
- Last updated
- 2007-12-10
Frequently asked questions
- What is Mary Klein's NPI number?
- Mary Klein's National Provider Identifier (NPI) is 1255514519, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Klein's specialty?
- Mary Klein is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Mary Klein located?
- Mary Klein's practice location on file with NPPES is 4650 Mcmasters Ave, Hannibal, MO 63401-2244.
- What is Mary Klein's phone number?
- The practice phone number listed in the NPPES registry for Mary Klein is (573) 221-1258.
- Is Mary Klein's NPI active?
- Yes — Mary Klein's NPI (1255514519) is active in the NPPES registry as of the last update on 2007-12-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.