Allen Karz, M.D.
NPI 1598774184 · Cardiovascular Disease Physician · Valencia, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allen Karz, M.D. is a Cardiovascular Disease Physician provider in Valencia, CA (NPI 1598774184).
Provider details
- NPI number
- 1598774184
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G10039 (CA)
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
- 2006-08-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Allen Karz's NPI number?
- Allen Karz's National Provider Identifier (NPI) is 1598774184, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allen Karz's specialty?
- Allen Karz is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Allen Karz located?
- Allen Karz's practice location on file with NPPES is 23861 Mcbean Pkwy, Valencia, CA 91355-2058.
- What is Allen Karz's phone number?
- The practice phone number listed in the NPPES registry for Allen Karz is (661) 259-2233.
- Does Allen Karz accept Medicare?
- Allen Karz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allen Karz's NPI active?
- Yes — Allen Karz's NPI (1598774184) 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.