Joseph Klag, DO
NPI 1730185430 · Interventional Cardiology Physician · Phoenix, AZ
Joseph Klag, DO is a Interventional Cardiology Physician provider in Phoenix, AZ (NPI 1730185430).
Provider details
- NPI number
- 1730185430
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 3185 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 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
- 2005-06-27
- Last updated
- 2014-10-24
Frequently asked questions
- What is Joseph Klag's NPI number?
- Joseph Klag's National Provider Identifier (NPI) is 1730185430, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Klag's specialty?
- Joseph Klag is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Klag located?
- Joseph Klag's practice location on file with NPPES is 3805 E Bell Rd, Phoenix, AZ 85032.
- What is Joseph Klag's phone number?
- The practice phone number listed in the NPPES registry for Joseph Klag is (602) 867-8644.
- Is Joseph Klag's NPI active?
- Yes — Joseph Klag's NPI (1730185430) is active in the NPPES registry as of the last update on 2014-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.