Jacob Klewer, MD
NPI 1215424759 · Clinical Cardiac Electrophysiology Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jacob Klewer, MD is a Clinical Cardiac Electrophysiology Physician provider in Tucson, AZ (NPI 1215424759).
Provider details
- NPI number
- 1215424759
- Entity type
- Individual
- Primary specialty
- Clinical Cardiac Electrophysiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 11405422-1205 (UT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,436 across 12 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 4729 E Camp Lowell DrTucson, AZ 85712-1256Phone: (520) 838-3540Fax: (520) 325-3526
Registry dates
- Enumerated
- 2018-04-19
- Last updated
- 2025-09-12
- Certified
- 2025-09-12
Frequently asked questions
- What is Jacob Klewer's NPI number?
- Jacob Klewer's National Provider Identifier (NPI) is 1215424759, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacob Klewer's specialty?
- Jacob Klewer is listed in the NPPES registry with a primary specialty of Clinical Cardiac Electrophysiology Physician (Allopathic & Osteopathic Physicians).
- Where is Jacob Klewer located?
- Jacob Klewer's practice location on file with NPPES is 3838 N Campbell Ave, Suite C, Tucson, AZ 85719-0001.
- What is Jacob Klewer's phone number?
- The practice phone number listed in the NPPES registry for Jacob Klewer is (520) 694-8888.
- Does Jacob Klewer accept Medicare?
- Jacob Klewer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jacob Klewer's NPI active?
- Yes — Jacob Klewer's NPI (1215424759) is active in the NPPES registry as of the last update on 2025-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.