Frederick Ahmann, MD
NPI 1700857166 · Hematology & Oncology Physician · Tucson, AZ
Frederick Ahmann, MD is a Hematology & Oncology Physician provider in Tucson, AZ (NPI 1700857166).
Provider details
- NPI number
- 1700857166
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 10449 (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
- 2006-02-01
- Last updated
- 2010-07-09
Frequently asked questions
- What is Frederick Ahmann's NPI number?
- Frederick Ahmann's National Provider Identifier (NPI) is 1700857166, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frederick Ahmann's specialty?
- Frederick Ahmann is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Frederick Ahmann located?
- Frederick Ahmann's practice location on file with NPPES is 3838 N Campbell Ave, Tucson, AZ 85719-1478.
- What is Frederick Ahmann's phone number?
- The practice phone number listed in the NPPES registry for Frederick Ahmann is (520) 694-2873.
- Is Frederick Ahmann's NPI active?
- Yes — Frederick Ahmann's NPI (1700857166) is active in the NPPES registry as of the last update on 2010-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.