Jonathan Klarfeld, M.D.
NPI 1174554349 · Internal Medicine Physician · Lorain, OH
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Klarfeld, M.D. is a Internal Medicine Physician provider in Lorain, OH (NPI 1174554349).
Provider details
- NPI number
- 1174554349
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35-045004 (OH)
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
- 2006-07-06
- Last updated
- 2024-07-20
- Certified
- 2024-07-20
Frequently asked questions
- What is Jonathan Klarfeld's NPI number?
- Jonathan Klarfeld's National Provider Identifier (NPI) is 1174554349, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Klarfeld's specialty?
- Jonathan Klarfeld is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Klarfeld located?
- Jonathan Klarfeld's practice location on file with NPPES is 3905 Oberlin Ave, Lorain, OH 44053-2853.
- What is Jonathan Klarfeld's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Klarfeld is (216) 978-1116.
- Does Jonathan Klarfeld accept Medicare?
- Jonathan Klarfeld is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Klarfeld's NPI active?
- Yes — Jonathan Klarfeld's NPI (1174554349) is active in the NPPES registry as of the last update on 2024-07-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.