Dr. Robert M. Fields, DO
- Medicare services, 2024
- 86
- Medicare patients, 2024
- 68
- Part D claims, 2017
- 84
- Hospital affiliations
- 2
- Medical groups
- 4
- Practice address
- 775 S Main St, Chelsea, MI 48118
- Practice phone
- Call (734) 475-3911
- 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. Robert M. Fields is an emergency medicine physician in Chelsea, Michigan
Dr. Fields practices at Chelsea Hospital in Chelsea, Michigan, part of Trinity Health.
Dr. Fields' NPI, 1154358463, was assigned on June 26, 2006. Dr. Fields graduated from Michigan State University College of Osteopathic Medicine in 1998. Dr. Fields holds Michigan license 013782.
- NPI
- 1154358463NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961484852
- NPI enumeration date
- June 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (734) 475-3911
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert M. Fields practices at Chelsea Hospital in Chelsea, Michigan
Dr. Fields' primary practice is Chelsea Hospital, at 775 S Main St, Chelsea, MI 48118 in Washtenaw County. The practice phone is (734) 475-3911.
- Chelsea Hospital775 S Main St, Chelsea, MI 48118 · Washtenaw CountyPhone(734) 475-3911
Source: Dmand AI Affiliation Data
Dr. Robert M. Fields is affiliated with 4 sites of care and 4 medical groups
Dr. Fields' primary practice is Chelsea Hospital in Chelsea, Michigan, part of Trinity Health. Dr. Fields is also affiliated with Trinity Health Ann Arbor Hospital. The medical group on file is Chelsea Hospital. Dmand AI also links Dr. Fields to 3 more medical groups and 2 group practices and clinics, 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. Robert M. Fields' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fields practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chelsea Hospital | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert M. Fields is one of 2,045 emergency medicine physicians in Michigan
Emergency medicine is Dr. Fields' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Fields is licensed in Michigan.
Specialties and state licenses
- Emergency medicine, MichiganPrimary
Emergency medicine physicians near Dr. Fields
Counts of emergency 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. Robert M. Fields billed Medicare for 86 services in 2024
CMS data shows 86 Medicare services from Dr. Fields across 3 procedure codes in 2024, for 68 Medicare patients. Medicare paid $13,118 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Fields' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 902024: 864%
Dr. Fields compared with the Michigan median for emergency medicine physicians, 2024
- Dr. Fields
- Michigan median
- Medicare services
- 86vs 23463% below
- Medicare patients
- 68vs 21468% below
- Part D claims
- 84vs 4683% above
Medians across 1,937 emergency medicine physicians in Michigan with Dmand AI profiles that report each measure.
Dr. Fields' 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. Robert M. Fields treated 68 Medicare patients in 2024, average age 75
CMS counts 68 Medicare patients who saw Dr. Fields in 2024. The largest group is 75 to 84, with 22 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 2.15, 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. Fields' median patient age at 75, with 49% women.
Dr. Fields' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Fields' Medicare patients by sex, 2024
- Women3450%
- Men3450%
Chronic conditions among Dr. Fields' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Heart failure57%
- Ischemic heart disease54%
- Chronic kidney disease53%
- Arthritis51%
- Atrial fibrillation47%
- COPD44%
Share of Medicare patients with each condition. A patient can have several.
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 75
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert M. Fields wrote 84 Medicare Part D claims in 2017
In 2017, Dr. Fields wrote 84 Medicare Part D claims. They cover 4 drugs, with $387 in total drug cost. In 2016, CMS named 474 claims across 18 drugs.
Dr. Fields' most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 4742017: 8482%
Drugs named by CMS: 4 in 2017, 18 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Robert M. Fields takes part in Medicare
Dr. Fields 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)
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Dr. Robert M. Fields graduated from Michigan State University College of Osteopathic Medicine
Dr. Fields graduated from Michigan State University College of Osteopathic Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert M. 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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Robert M. Fields
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What is Dr. Robert M. Fields' NPI number?
Dr. Robert M. Fields' NPI number is 1154358463. It was assigned on June 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert M. Fields?
Dr. Robert M. Fields is an emergency medicine physician in Chelsea, Michigan. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Robert M. Fields practice?
Dr. Fields practices at 775 S Main St, Chelsea, MI 48118. Dr. Fields' primary practice is Chelsea Hospital in Chelsea, Michigan, part of Trinity Health. Dmand AI also links Dr. Fields to 3 medical groups and 2 group practices and clinics.
What is Dr. Robert M. Fields' office phone number?
The practice phone on file for Dr. Fields is (734) 475-3911.
What is Dr. Robert M. Fields' medical license number?
Dr. Fields holds Michigan license 013782.
Which hospitals is Dr. Robert M. Fields affiliated with?
Dr. Fields practices at Chelsea Hospital in Chelsea, Michigan. Dr. Fields is also affiliated with Trinity Health Ann Arbor Hospital.
What medical group is Dr. Robert M. Fields part of?
Dr. Fields is linked to Chelsea Hospital. Dmand AI links Dr. Fields to 3 more medical groups.
Does Dr. Robert M. Fields accept Medicare?
Yes. CMS data shows Dr. Fields billed Medicare for 86 services in 2024, and Dr. Fields accepts Medicare assignment.
How many Medicare patients does Dr. Robert M. Fields see?
CMS counts 68 Medicare patients who saw Dr. Fields in 2024, with an average age of 75.
What services does Dr. Robert M. Fields bill to Medicare?
In 2024, Dr. Fields' most billed Medicare services were critical care (99291), hospital inpatient care (99233) and hospital inpatient care (99223).
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Where did Dr. Robert M. Fields go to medical school?
Dr. Fields graduated from Michigan State University College of Osteopathic Medicine in 1998.
What drugs does Dr. Robert M. Fields prescribe most?
In 2017 Medicare Part D data, Dr. Fields' most prescribed drugs by claims were Hydrocodone-Acetaminophen, Prednisone and Azithromycin.
How long has Dr. Robert M. Fields been practicing?
Dr. Fields graduated from medical school in 1998, 28 years ago.
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