IndividualActive
Jerald Maslanko, M.D.
NPI 1386707396 · Internal Medicine Physician · Fenton, MO
Jerald Maslanko, M.D. is a Internal Medicine Physician provider in Fenton, MO (NPI 1386707396).
Provider details
- NPI number
- 1386707396
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- R4A03 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 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
1391 Smizer Mill Rd
Fenton, MO 63026-7306
Phone: (636) 343-3787
Fax: (636) 349-6081
Street-level locationGet directions
Mailing address
1391 Smizer Mill Rd
Fenton, MO 63026-7306
Registry dates
- Enumerated
- 2006-12-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jerald Maslanko's NPI number?
- Jerald Maslanko's National Provider Identifier (NPI) is 1386707396, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jerald Maslanko's specialty?
- Jerald Maslanko is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jerald Maslanko located?
- Jerald Maslanko's practice location on file with NPPES is 1391 Smizer Mill Rd, Fenton, MO 63026-7306.
- What is Jerald Maslanko's phone number?
- The practice phone number listed in the NPPES registry for Jerald Maslanko is (636) 343-3787.
- Is Jerald Maslanko's NPI active?
- Yes — Jerald Maslanko's NPI (1386707396) 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.