Irwin Tischler, D.O
NPI 1336384809 · Hematology & Oncology Physician · Phoenix, AZ
Irwin Tischler, D.O is a Hematology & Oncology Physician provider in Phoenix, AZ (NPI 1336384809).
Provider details
- NPI number
- 1336384809
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2738 (AZ)
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
17 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
- 2008-12-11
- Last updated
- 2008-12-11
Frequently asked questions
- What is Irwin Tischler's NPI number?
- Irwin Tischler's National Provider Identifier (NPI) is 1336384809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irwin Tischler's specialty?
- Irwin Tischler is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Irwin Tischler located?
- Irwin Tischler's practice location on file with NPPES is 4638 E Berneil Dr, Phoenix, AZ 85028-5500.
- What is Irwin Tischler's phone number?
- The practice phone number listed in the NPPES registry for Irwin Tischler is (602) 538-2200.
- Is Irwin Tischler's NPI active?
- Yes — Irwin Tischler's NPI (1336384809) is active in the NPPES registry as of the last update on 2008-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.