Dr. Frederick Ahmann, MD
- Medicare services, 2018
- 648
- Part D claims, 2019
- 31
- Publications
- 3
- Industry payments
- $116
- State license
- 1
- Practice address
- 1625 N Campbell Ave, Tucson, AZ 85719
- Practice phone
- Call (520) 694-2873
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Ahmann's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Frederick Ahmann is a hematologist and oncologist in Tucson, Arizona
Dr. Ahmann practices in Tucson, Arizona.
Dr. Ahmann's NPI, 1700857166, was assigned on February 1, 2006. Dr. Ahmann holds Arizona license 10449.
- NPI
- 1700857166NPI Registry (opens in a new tab)
- NPI enumeration date
- February 1, 2006
- NPI status
- Active
- Practice phone
- (520) 694-2873
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Frederick Ahmann's practice address is in Tucson, Arizona
Dr. Ahmann's practice address in the NPI Registry is 1625 N Campbell Ave, Tucson, AZ 85719, in Pima County. The practice phone is (520) 694-2873.
- NPI Registry address1625 N Campbell Ave, Tucson, AZ 85719 · Pima CountyPhone(520) 694-2873
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Frederick Ahmann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ahmann practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Ahmann's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Frederick Ahmann is one of 259 hematologists and oncologists in Arizona
Hematology and oncology is Dr. Ahmann's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Ahmann is licensed in Arizona.
Specialties and state licenses
- Hematology and oncology, ArizonaPrimary
Hematologists and oncologists near Dr. Ahmann
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Frederick Ahmann billed Medicare for 648 services in 2018
CMS data shows 648 Medicare services from Dr. Ahmann across 2 procedure codes in 2018, all of them office visits. Medicare paid $38,693 for them.
Dr. Ahmann's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 7592018: 64815%
Where Dr. Ahmann's Medicare services took place, 2018
- In an office18529%
- In a facility46371%
Dr. Ahmann compared with the Arizona median for hematologists and oncologists, 2018
- Dr. Ahmann
- Arizona median
- Medicare services
- 648vs 2,70576% below
- Part D claims
- 31vs 40492% below
Medians across 249 hematologists and oncologists in Arizona with Dmand AI profiles that report each measure.
Dr. Ahmann's most billed Medicare procedure codes, 2018
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ahmann and other hematologists and oncologists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Frederick Ahmann's patients have a median age of 81
Across all payers, Dmand AI patient panel data puts Dr. Ahmann's median patient age at 81, with 0% women.
Dr. Ahmann's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 81
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Frederick Ahmann wrote 31 Medicare Part D claims in 2019
In 2019, Dr. Ahmann wrote 31 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $66,604 in total drug cost. In 2018, CMS named 359 claims across 7 drugs.
Dr. Ahmann's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 3592019: 3191%
Drugs named by CMS: 2 in 2019, 7 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Frederick Ahmann has 3 publications on record
Dmand AI links 3 papers to Dr. Ahmann, published from 2011 to 2014. Dr. Ahmann's most frequent co-authors are Matthew B. Gretzer, MD, Mike Minh Nguyen, MD and Srinath Sundararajan, MD.
Dr. Ahmann's papers by year, 2011 to 2014
Dr. Ahmann's most frequent co-authors
- Matthew B. Gretzer, MD1 shared paper
- Mike Minh Nguyen, MD1 shared paper
- Srinath Sundararajan, MD1 shared paper
Recent publications by Dr. Ahmann
See who Dr. Ahmann researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ahmann works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Frederick Ahmann received $116 in industry payments from 2016 to 2018
CMS Open Payments shows 8 general payments to Dr. Ahmann from 7 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $32.
General payments to Dr. Ahmann by program year, 2016 to 2018
Companies that paid Dr. Ahmann the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Frederick Ahmann's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Frederick Ahmann
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Frederick Ahmann's NPI number?
Dr. Frederick Ahmann's NPI number is 1700857166. It was assigned on February 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Frederick Ahmann?
Dr. Frederick Ahmann is a hematologist and oncologist in Tucson, Arizona. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Frederick Ahmann practice?
Dr. Ahmann practices at 1625 N Campbell Ave, Tucson, AZ 85719.
What is Dr. Frederick Ahmann's office phone number?
The practice phone on file for Dr. Ahmann is (520) 694-2873.
What is Dr. Frederick Ahmann's medical license number?
Dr. Ahmann holds Arizona license 10449.
Does Dr. Frederick Ahmann accept Medicare?
Yes. CMS data shows Dr. Ahmann billed Medicare for 648 services in 2018.
What services does Dr. Frederick Ahmann bill to Medicare?
In 2018, Dr. Ahmann's most billed Medicare services were office visit, established patient (99214) and office visit, new patient (99205).
What drugs does Dr. Frederick Ahmann prescribe most?
In 2019 Medicare Part D data, Dr. Ahmann's most prescribed drugs by claims were Prednisone and Abiraterone Acetate.
Has Dr. Frederick Ahmann received payments from drug or device companies?
CMS Open Payments shows $116 in general payments to Dr. Ahmann from 7 companies from 2016 to 2018. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Frederick Ahmann been practicing?
Dr. Ahmann's NPI was assigned in 2006.
Does Dr. Frederick Ahmann do research?
Dmand AI links 3 publications to Dr. Ahmann, published from 2011 to 2014.
Who does Dr. Frederick Ahmann publish with?
Dr. Ahmann's most frequent co-authors are Matthew B. Gretzer, MD (1 shared paper), Mike Minh Nguyen, MD (1 shared paper) and Srinath Sundararajan, MD (1 shared paper).
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