Dr. Jonathon Michael Fields, MD
- Part D claims, 2019
- 11
- Hospital affiliations
- 1
- Medical group
- 1
- State licenses
- 2
- Year NPI issued
- 2012
- Practice address
- 312 9th Street SW, Waverly, IA 50677
- Practice phone
- Call (319) 352-4120
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Fields' professional email, personal email and mobile number
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Dr. Jonathon Michael Fields is a preventive medicine/occupational environmental medicine physician in Waverly, Iowa
Dr. Fields practices at Waverly Health Center in Waverly, Iowa, part of City of Waverly.
Dr. Fields' NPI, 1255699278, was assigned on April 27, 2012. Dr. Fields graduated from University of Iowa, RJ & L Carver College of Medicine in 2012. Dr. Fields holds Minnesota license 63255.
- NPI
- 1255699278NPI Registry (opens in a new tab)
- NPI enumeration date
- April 27, 2012
- NPI status
- Active
- Practice phone
- (319) 352-4120
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Jonathon Michael Fields practices at Waverly Health Center in Waverly, Iowa
Dr. Fields' primary practice is Waverly Health Center, at 312 9th Street SW, Waverly, IA 50677 in Bremer County. The practice phone is (319) 352-4120.
- Waverly Health Center312 9th Street SW, Waverly, IA 50677 · Bremer CountyPhone(319) 352-4120
Source: Dmand AI Affiliation Data
Dr. Jonathon Michael Fields is affiliated with 2 sites of care and 1 medical group
Dr. Fields' primary practice is Waverly Health Center in Waverly, Iowa, part of City of Waverly. The medical group on file is Olmsted Medical Center. Dmand AI also links Dr. Fields to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jonathon Michael Fields' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fields practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Waverly Health Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across City of Waverly and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Jonathon Michael Fields is one of 5 preventive medicine/occupational environmental medicine physicians in Iowa
Preventive medicine/occupational environmental medicine is Dr. Fields' primary specialty in the NPI Registry, under taxonomy code 2083P0500X. Dmand AI has Dr. Fields' licenses on file in 2 states: Minnesota and Iowa.
Specialties and state licenses
- Preventive medicine/occupational environmental medicine, MinnesotaPrimary
- Occupational medicine, Iowa
Preventive medicine/occupational environmental medicine physicians near Dr. Fields
Counts of preventive medicine/occupational environmental medicine physicians 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. Jonathon Michael Fields' patients have a median age of 44
Across all payers, Dmand AI patient panel data puts Dr. Fields' median patient age at 44, with 35% women.
Dr. Fields' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women35%
- Men65%
Source: Dmand AI Patient Panel Data
Dr. Jonathon Michael Fields wrote 11 Medicare Part D claims in 2019
In 2019, Dr. Fields wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $68 in total drug cost. In 2018, CMS named 35 claims across 3 drugs.
Dr. Fields' 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: 352019: 1169%
Drugs named by CMS: 1 in 2019, 3 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Jonathon Michael Fields graduated from University of Iowa, RJ & L Carver College of Medicine
Dr. Fields graduated from University of Iowa, RJ & L Carver College of Medicine in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jonathon Michael Fields'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 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) |
| 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. Jonathon Michael Fields
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. Jonathon Michael Fields' NPI number?
Dr. Jonathon Michael Fields' NPI number is 1255699278. It was assigned on April 27, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathon Michael Fields?
Dr. Jonathon Michael Fields is a preventive medicine/occupational environmental medicine physician in Waverly, Iowa. The primary specialty in the NPI Registry is Preventive Medicine/Occupational Environmental Medicine Physician (taxonomy code 2083P0500X).
Where does Dr. Jonathon Michael Fields practice?
Dr. Fields practices at 312 9th Street SW, Waverly, IA 50677. Dr. Fields' primary practice is Waverly Health Center in Waverly, Iowa, part of City of Waverly. Dmand AI also links Dr. Fields to 1 group practice or clinic.
What is Dr. Jonathon Michael Fields' office phone number?
The practice phone on file for Dr. Fields is (319) 352-4120.
What is Dr. Jonathon Michael Fields' medical license number?
Dr. Fields holds Minnesota license 63255, one of the licenses on file in 2 states.
Which states has Dr. Jonathon Michael Fields been licensed in?
Dmand AI has state licenses on file for Dr. Fields in Minnesota and Iowa.
Which hospitals is Dr. Jonathon Michael Fields affiliated with?
Dr. Fields practices at Waverly Health Center in Waverly, Iowa.
What medical group is Dr. Jonathon Michael Fields part of?
Dr. Fields is linked to Olmsted Medical Center.
Where did Dr. Jonathon Michael Fields go to medical school?
Dr. Fields graduated from University of Iowa, RJ & L Carver College of Medicine in 2012.
What drugs does Dr. Jonathon Michael Fields prescribe most?
In 2019 Medicare Part D data, Dr. Fields' most prescribed drugs by claims were Pantoprazole Sodium.
How long has Dr. Jonathon Michael Fields been practicing?
Dr. Fields graduated from medical school in 2012, 14 years ago.
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