John Klemme, M.D.
NPI 1235248857 · Cardiovascular Disease Physician · Crown Point, IN
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Klemme, M.D. is a Cardiovascular Disease Physician provider in Crown Point, IN (NPI 1235248857).
Provider details
- NPI number
- 1235248857
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 01027097A (IN)
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
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
Mailing address
Registry dates
- Enumerated
- 2006-08-29
- Last updated
- 2011-08-06
Frequently asked questions
- What is John Klemme's NPI number?
- John Klemme's National Provider Identifier (NPI) is 1235248857, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Klemme's specialty?
- John Klemme is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Klemme located?
- John Klemme's practice location on file with NPPES is 9330 Broadway, Crown Point, IN 46307-8602.
- What is John Klemme's phone number?
- The practice phone number listed in the NPPES registry for John Klemme is (800) 644-1243.
- Does John Klemme accept Medicare?
- John Klemme is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Klemme's NPI active?
- Yes — John Klemme's NPI (1235248857) is active in the NPPES registry as of the last update on 2011-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.