IndividualActive
Bruce Harlan, MD
NPI 1336256593 · Internal Medicine Physician · Mason City, IA
Bruce Harlan, MD is a Internal Medicine Physician provider in Mason City, IA (NPI 1336256593).
Provider details
- NPI number
- 1336256593
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 22594 (IA)
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
1000 4th St Sw
Suite Im
Mason City, IA 50401-2800
Phone: (641) 422-6999
Fax: (641) 422-6678
Street-level locationGet directions
Mailing address
621 S Illinois Ave
Mason City, IA 50401-5489
Registry dates
- Enumerated
- 2006-08-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is Bruce Harlan's NPI number?
- Bruce Harlan's National Provider Identifier (NPI) is 1336256593, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bruce Harlan's specialty?
- Bruce Harlan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Bruce Harlan located?
- Bruce Harlan's practice location on file with NPPES is 1000 4th St Sw, Mason City, IA 50401-2800.
- What is Bruce Harlan's phone number?
- The practice phone number listed in the NPPES registry for Bruce Harlan is (641) 422-6999.
- Is Bruce Harlan's NPI active?
- Yes — Bruce Harlan's NPI (1336256593) 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.