Dr. Nathan Michael Fierce, DO
- Medicare services, 2024
- 431
- Medicare patients, 2024
- 326
- Part D claims, 2024
- 285
- MIPS score, 2024
- 84
- Hospital affiliations
- 5
- Practice address
- 1227 East Rusholme Street, Davenport, IA 52803
- Practice phone
- Call (563) 421-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Fierce'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. Nathan Michael Fierce is a general surgeon in Davenport, Iowa
Dr. Fierce practices at MercyOne Genesis Davenport Medical Center in Davenport, Iowa, part of Trinity Health.
Dr. Fierce's NPI, 1639355134, was assigned on January 14, 2008. Dr. Fierce graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 2005. Dr. Fierce holds Illinois license 036.127839.
- NPI
- 1639355134NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961534912
- NPI enumeration date
- January 14, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (563) 421-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathan Michael Fierce practices at MercyOne Genesis Davenport Medical Center in Davenport, Iowa
Dr. Fierce's primary practice is MercyOne Genesis Davenport Medical Center, at 1227 East Rusholme Street, Davenport, IA 52803 in Scott County. The practice phone is (563) 421-1000.
- MercyOne Genesis Davenport Medical Center1227 East Rusholme Street, Davenport, IA 52803 · Scott CountyPhone(563) 421-1000
Source: Dmand AI Affiliation Data
Dr. Nathan Michael Fierce is affiliated with 8 sites of care and 4 medical groups
Dr. Fierce's primary practice is MercyOne Genesis Davenport Medical Center in Davenport, Iowa, part of Trinity Health. Dr. Fierce is also affiliated with Select Specialty Hospital - Quad Cities. The medical group on file is Genesis Health System. Dmand AI also links Dr. Fierce to 3 more hospitals, 3 medical groups, 2 group practices and clinics and 1 physician office, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nathan Michael Fierce's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fierce practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MercyOne Genesis Davenport Medical Center | Available with a free account |
| +7 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nathan Michael Fierce is one of 317 general surgeons in Iowa
Surgery is Dr. Fierce's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Fierce's licenses on file in 2 states: Illinois and Iowa.
Specialties and state licenses
- Surgery, IllinoisPrimary
- Iowa license
General surgeons near Dr. Fierce
Counts of general surgeons 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. Nathan Michael Fierce billed Medicare for 431 services in 2024
CMS data shows 431 Medicare services from Dr. Fierce across 14 procedure codes in 2024, for 326 Medicare patients. Medicare paid $45,216 for them.
Dr. Fierce's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3172024: 3283%
- Surgery
- 2023: 702024: 8014%
- Imaging
- 2023: 682024: 2366%
Where Dr. Fierce's Medicare services took place, 2024
- In an office8620%
- In a facility34580%
Dr. Fierce compared with the Iowa median for general surgeons, 2024
- Dr. Fierce
- Iowa median
- Medicare services
- 431vs 1642.6 times
- Medicare patients
- 326vs 1462.2 times
- Part D claims
- 197vs 434.6 times
Medians across 332 general surgeons in Iowa with Dmand AI profiles that report each measure.
Dr. Fierce'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nathan Michael Fierce treated 326 Medicare patients in 2024, average age 74
CMS counts 326 Medicare patients who saw Dr. Fierce in 2024. The largest group is 65 to 74, with 132 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 2.57, 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. Fierce's median patient age at 63, with 46% women.
Dr. Fierce's Medicare patients by age, 2024
Dr. Fierce's Medicare patients by sex, 2024
- Women14444%
- Men18256%
Chronic conditions among Dr. Fierce's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease50%
- Arthritis49%
- Ischemic heart disease48%
- Diabetes42%
- Heart failure39%
- COPD36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fierce's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nathan Michael Fierce wrote 285 Medicare Part D claims in 2024
In 2024, Dr. Fierce wrote 285 Medicare Part D claims for 170 patients. 96% of them were for generic drugs. CMS names the drug for 197 of them, across 5 drugs with 11 or more claims each, at $1,791 in total drug cost. In 2023, CMS named 109 claims across 3 drugs.
Dr. Fierce's Part D claims by kind of drug, 2024
- Generic273 claims96%
- Brand-name12 claims4%
Dr. Fierce's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Fierce's Part D claims, 2024
- Opioids50%142 of 285 claims
- Antibiotics12%34 of 285 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1092024: 19781%
Drugs named by CMS: 5 in 2024, 3 in 2023.
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
Dr. Nathan Michael Fierce scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Fierce for performance year 2024, reported individually. Dr. Fierce accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 59 procedures of colonoscopy by Dr. Fierce, more than 67% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Fierce's MIPS scores, performance year 2024
- 84of 100Final score
- 60.5of 100Quality
- 97of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Fierce ranks in Medicare procedure volume
- Colonoscopy
- 67th percentile59 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 66th percentile59 procedures
- Removal of tissue
- 64th percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Spinal fusion: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Nathan Michael Fierce received $77,700 in industry payments from 2016 to 2024
CMS Open Payments shows 143 general payments to Dr. Fierce from 15 drug and device companies from 2016 to 2024. Education make up the largest share, 75% of the total. Intuitive Surgical, Inc. paid the most, $70,339.
General payments to Dr. Fierce by program year, 2016 to 2024
General payments to Dr. Fierce by kind, 2016 to 2024
- Education$58,61575%
- Travel and lodging$12,36516%
- Food and beverage$6,5458%
- Gifts$1750%
Companies that paid Dr. Fierce the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nathan Michael Fierce graduated from Des Moines University of Osteopathic Medicine and Health Sciences
Dr. Fierce graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nathan Michael Fierce'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Nathan Michael Fierce
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. Nathan Michael Fierce's NPI number?
Dr. Nathan Michael Fierce's NPI number is 1639355134. It was assigned on January 14, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathan Michael Fierce?
Dr. Nathan Michael Fierce is a general surgeon in Davenport, Iowa. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Nathan Michael Fierce practice?
Dr. Fierce practices at 1227 East Rusholme Street, Davenport, IA 52803. Dr. Fierce's primary practice is MercyOne Genesis Davenport Medical Center in Davenport, Iowa, part of Trinity Health. Dmand AI also links Dr. Fierce to 3 hospitals, 3 medical groups, 2 group practices and clinics and 1 physician office.
What is Dr. Nathan Michael Fierce's office phone number?
The practice phone on file for Dr. Fierce is (563) 421-1000.
What is Dr. Nathan Michael Fierce's medical license number?
Dr. Fierce holds Illinois license 036.127839, one of the licenses on file in 2 states.
Which states has Dr. Nathan Michael Fierce been licensed in?
Dmand AI has state licenses on file for Dr. Fierce in Illinois and Iowa.
Which hospitals is Dr. Nathan Michael Fierce affiliated with?
Dr. Fierce practices at MercyOne Genesis Davenport Medical Center in Davenport, Iowa. Dr. Fierce is also affiliated with Select Specialty Hospital - Quad Cities. Dmand AI links Dr. Fierce to 3 more hospitals.
What medical group is Dr. Nathan Michael Fierce part of?
Dr. Fierce is linked to Genesis Health System. Dmand AI links Dr. Fierce to 3 more medical groups.
Does Dr. Nathan Michael Fierce accept Medicare?
Yes. CMS data shows Dr. Fierce billed Medicare for 431 services in 2024, and Dr. Fierce accepts Medicare assignment.
What is Dr. Nathan Michael Fierce's MIPS score?
Dr. Fierce's MIPS final score for performance year 2024 is 84 out of 100, reported individually.
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How many Medicare patients does Dr. Nathan Michael Fierce see?
CMS counts 326 Medicare patients who saw Dr. Fierce in 2024, with an average age of 74.
What services does Dr. Nathan Michael Fierce bill to Medicare?
In 2024, Dr. Fierce's most billed Medicare services were hospital inpatient care (99222), hospital inpatient care (99231) and office visit, established patient (99214).
Where did Dr. Nathan Michael Fierce go to medical school?
Dr. Fierce graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 2005.
What drugs does Dr. Nathan Michael Fierce prescribe most?
In 2024 Medicare Part D data, Dr. Fierce's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Pantoprazole Sodium and Oxycodone HCl.
Has Dr. Nathan Michael Fierce received payments from drug or device companies?
CMS Open Payments shows $77,700 in general payments to Dr. Fierce from 15 companies from 2016 to 2024. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Nathan Michael Fierce been practicing?
Dr. Fierce graduated from medical school in 2005, 21 years ago.
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