Gerald Altschuler MD PC
NPI 1639140965 · Hematology & Oncology Physician · Tuscon, AZ
Gerald Altschuler MD PC is a Hematology & Oncology Physician organization in Tuscon, AZ (NPI 1639140965).
Provider details
- NPI number
- 1639140965
- Entity type
- Organization
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Gerald Altschuler, Pres(520) 888-3032
- License
- 4799 (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
20 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
- 2006-01-26
- Last updated
- 2020-08-22
Frequently asked questions
- What is Gerald Altschuler MD PC's NPI number?
- Gerald Altschuler MD PC's National Provider Identifier (NPI) is 1639140965, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gerald Altschuler MD PC?
- Gerald Altschuler MD PC is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Gerald Altschuler MD PC located?
- Gerald Altschuler MD PC's practice location on file with NPPES is 4733 N 1st Ave, Tuscon, AZ 85718-5610.
- What is Gerald Altschuler MD PC's phone number?
- The practice phone number listed in the NPPES registry for Gerald Altschuler MD PC is (520) 888-3032.
- Who is the authorized official for Gerald Altschuler MD PC?
- The authorized official listed on Gerald Altschuler MD PC's NPPES record is Gerald Altschuler, Pres. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gerald Altschuler MD PC's NPI active?
- Yes — Gerald Altschuler MD PC's NPI (1639140965) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.