Alan Barry Klein, MD.
NPI 1104008119 · Internal Medicine Physician · Louisville, KY
Alan Barry Klein, MD. is a Internal Medicine Physician organization in Louisville, KY (NPI 1104008119).
Provider details
- NPI number
- 1104008119
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Alan Klein, Owner(502) 429-0414
- License
- 24316 (KY)
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
18 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
- 2007-11-30
- Last updated
- 2012-04-24
Frequently asked questions
- What is Alan Barry Klein, MD.'s NPI number?
- Alan Barry Klein, MD.'s National Provider Identifier (NPI) is 1104008119, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Alan Barry Klein, MD.?
- Alan Barry Klein, MD. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alan Barry Klein, MD. located?
- Alan Barry Klein, MD.'s practice location on file with NPPES is 4912 US Highway 42, Louisville, KY 40222-6349.
- What is Alan Barry Klein, MD.'s phone number?
- The practice phone number listed in the NPPES registry for Alan Barry Klein, MD. is (502) 429-0414.
- Who is the authorized official for Alan Barry Klein, MD.?
- The authorized official listed on Alan Barry Klein, MD.'s NPPES record is Alan Klein, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Alan Barry Klein, MD.'s NPI active?
- Yes — Alan Barry Klein, MD.'s NPI (1104008119) is active in the NPPES registry as of the last update on 2012-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.