Dr. Aaron Seth Fisher, DO
- Medicare services, 2024
- 208
- Medicare patients, 2024
- 99
- Part D claims, 2024
- 51
- Hospital affiliations
- 1
- Industry payments
- $617
- Practice address
- 1500 E Medical Center Dr, Ann Arbor, MI 48109
- Practice phone
- Call (734) 936-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Hospital
School-Based Health Center · Ann Arbor, Michigan
Find Dr. Fisher'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. Aaron Seth Fisher is an internist in Ann Arbor, Michigan
Dr. Fisher practices at University Hospital in Ann Arbor, Michigan.
Dr. Fisher's NPI, 1861873135, was assigned on June 12, 2015. Dr. Fisher holds Michigan license 5101021633.
- NPI
- 1861873135NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254643547
- NPI enumeration date
- June 12, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (734) 936-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Aaron Seth Fisher practices at University Hospital in Ann Arbor, Michigan
Dr. Fisher's primary practice is University Hospital, at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The practice phone is (734) 936-4000.
- University Hospital1500 E Medical Center Dr, Ann Arbor, MI 48109Phone(734) 936-4000
Source: Dmand AI Affiliation Data
Dr. Aaron Seth Fisher is affiliated with 2 sites of care and 1 medical group
Dr. Fisher's primary practice is University Hospital in Ann Arbor, Michigan. Dr. Fisher is also affiliated with University Hospital. The medical group on file is University of Michigan Health. Dr. Fisher's employer is on file too: a school & student health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Aaron Seth Fisher's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fisher practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Aaron Seth Fisher is one of 4,804 internists in Michigan
Internal medicine is Dr. Fisher's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Fisher is licensed in Michigan.
Specialties and state licenses
- Internal medicine, MichiganPrimary
Internists near Dr. Fisher
Counts of internists 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. Aaron Seth Fisher billed Medicare for 208 services in 2024
CMS data shows 208 Medicare services from Dr. Fisher across 5 procedure codes in 2024, for 99 Medicare patients. Medicare paid $17,196 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Fisher's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2702024: 20823%
Dr. Fisher compared with the Michigan median for internists, 2024
- Dr. Fisher
- Michigan median
- Medicare services
- 208vs 42351% below
- Medicare patients
- 99vs 15938% below
- Part D claims
- 108vs 31466% below
Medians across 4,524 internists in Michigan with Dmand AI profiles that report each measure.
Dr. Fisher's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Fisher?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fisher and other internists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Aaron Seth Fisher treated 99 Medicare patients in 2024, average age 70
CMS counts 99 Medicare patients who saw Dr. Fisher in 2024. The largest group is 75 to 84, with 33 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 28% are also on Medicaid. Their average risk score is 3.25, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Fisher's median patient age at 65, with 51% women.
Dr. Fisher's Medicare patients by age, 2024
Dr. Fisher's Medicare patients by sex, 2024
- Women5455%
- Men4545%
Chronic conditions among Dr. Fisher's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis65%
- Chronic kidney disease56%
- Diabetes52%
- Anxiety51%
- Mood disorders48%
- Depression46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fisher's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Aaron Seth Fisher wrote 51 Medicare Part D claims in 2024
In 2024, Dr. Fisher wrote 51 Medicare Part D claims for 17 patients. 71% of them were for generic drugs. They cover 7 drugs, with $1,250 in total drug cost. In 2017, CMS named 99 claims across 6 drugs.
Dr. Fisher's Part D claims by kind of drug, 2024
- Generic36 claims71%
- Brand-name15 claims29%
Dr. Fisher's most prescribed drugs by claims, 2018
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, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 992018: 1089%
Drugs named by CMS: 7 in 2018, 6 in 2017.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Aaron Seth Fisher takes part in Medicare
Dr. Fisher accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Aaron Seth Fisher received $617 in industry payments from 2016 to 2024
CMS Open Payments shows 10 general payments to Dr. Fisher from 6 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $207.
General payments to Dr. Fisher by program year, 2016 to 2024
Companies that paid Dr. Fisher the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Aaron Seth Fisher'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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. Aaron Seth Fisher
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. Aaron Seth Fisher's NPI number?
Dr. Aaron Seth Fisher's NPI number is 1861873135. It was assigned on June 12, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Aaron Seth Fisher?
Dr. Aaron Seth Fisher is an internist in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Aaron Seth Fisher practice?
Dr. Fisher practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. Dr. Fisher's primary practice is University Hospital in Ann Arbor, Michigan.
What is Dr. Aaron Seth Fisher's office phone number?
The practice phone on file for Dr. Fisher is (734) 936-4000.
What is Dr. Aaron Seth Fisher's medical license number?
Dr. Fisher holds Michigan license 5101021633.
Which hospitals is Dr. Aaron Seth Fisher affiliated with?
Dr. Fisher is affiliated with University Hospital.
What medical group is Dr. Aaron Seth Fisher part of?
Dr. Fisher is linked to University of Michigan Health.
Does Dr. Aaron Seth Fisher accept Medicare?
Yes. CMS data shows Dr. Fisher billed Medicare for 208 services in 2024, and Dr. Fisher accepts Medicare assignment.
How many Medicare patients does Dr. Aaron Seth Fisher see?
CMS counts 99 Medicare patients who saw Dr. Fisher in 2024, with an average age of 70.
What services does Dr. Aaron Seth Fisher bill to Medicare?
In 2024, Dr. Fisher's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99223).
Show 3 more questionsShow fewer questions
What drugs does Dr. Aaron Seth Fisher prescribe most?
In 2018 Medicare Part D data, Dr. Fisher's most prescribed drugs by claims were Omeprazole, Atorvastatin Calcium and Lisinopril.
Has Dr. Aaron Seth Fisher received payments from drug or device companies?
CMS Open Payments shows $617 in general payments to Dr. Fisher from 6 companies from 2016 to 2024. The largest total came from Abbvie Inc.
How long has Dr. Aaron Seth Fisher been practicing?
Dr. Fisher graduated from medical school in 2015, 11 years ago.
Selling to internal medicine practices?
See internists in Michigan by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card