Dr. Michael John Brumfield, DO
- Medicare services, 2024
- 138
- Medicare patients, 2024
- 98
- Part D claims, 2024
- 118
- MIPS score, 2024
- 100
- Hospital affiliations
- 1
- Practice address
- 1542 S Bloomington St, Greencastle, IN 46135
- Practice phone
- Call (765) 653-5121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Brumfield'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. Michael John Brumfield is a general surgeon in Greencastle, Indiana
Dr. Brumfield practices at Putnam County Hospital in Greencastle, Indiana, part of State of Indiana.
Dr. Brumfield's NPI, 1487856670, was assigned on June 1, 2007. Dr. Brumfield holds Indiana license 02004189A.
- NPI
- 1487856670NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810123239
- NPI enumeration date
- June 1, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (765) 653-5121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael John Brumfield practices at Putnam County Hospital in Greencastle, Indiana
Dr. Brumfield's primary practice is Putnam County Hospital, at 1542 S Bloomington St, Greencastle, IN 46135 in Putnam County. The practice phone is (765) 653-5121.
- Putnam County Hospital1542 S Bloomington St, Greencastle, IN 46135 · Putnam CountyPhone(765) 653-5121
Source: Dmand AI Affiliation Data
Dr. Michael John Brumfield is affiliated with 1 site of care and 1 medical group
Dr. Brumfield's primary practice is Putnam County Hospital in Greencastle, Indiana, part of State of Indiana. The medical group on file is Putnam Pediatrics & Internal Medicine.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael John Brumfield's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Brumfield practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Putnam County Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael John Brumfield is one of 530 general surgeons in Indiana
Surgery is Dr. Brumfield's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Brumfield's licenses on file in 2 states: Indiana and Arizona.
Specialties and state licenses
- Surgery, IndianaPrimary
- Arizona license
General surgeons near Dr. Brumfield
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. Michael John Brumfield billed Medicare for 138 services in 2024
CMS data shows 138 Medicare services from Dr. Brumfield across 6 procedure codes in 2024, for 98 Medicare patients. Medicare paid $10,731 for them.
Dr. Brumfield's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1452024: 11322%
- Surgery
- 2023: 442024: 2543%
Where Dr. Brumfield's Medicare services took place, 2024
- In an office11382%
- In a facility2518%
Dr. Brumfield compared with the Indiana median for general surgeons, 2024
- Dr. Brumfield
- Indiana median
- Medicare services
- 138vs 15612% below
- Medicare patients
- 98vs 13125% below
- Part D claims
- 78vs 4095% above
Medians across 526 general surgeons in Indiana with Dmand AI profiles that report each measure.
Dr. Brumfield'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. Brumfield?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Brumfield and other general surgeons in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael John Brumfield treated 98 Medicare patients in 2024, average age 74
CMS counts 98 Medicare patients who saw Dr. Brumfield in 2024. The largest group is 65 to 74, with 48 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.30, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Brumfield's median patient age at 70, with 44% women.
Dr. Brumfield's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Brumfield's Medicare patients by sex, 2024
- Women4647%
- Men5253%
Chronic conditions among Dr. Brumfield's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease48%
- Arthritis45%
- Diabetes39%
- Ischemic heart disease35%
- Anxiety30%
- COPD30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Brumfield's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women44%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael John Brumfield wrote 118 Medicare Part D claims in 2024
In 2024, Dr. Brumfield wrote 118 Medicare Part D claims for 47 patients. 100% of them were for generic drugs. CMS names the drug for 78 of them, across 2 drugs with 11 or more claims each, at $915 in total drug cost. In 2023, CMS named 54 claims across 2 drugs.
Dr. Brumfield'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 542024: 7844%
Drugs named by CMS: 2 in 2024, 2 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. Michael John Brumfield scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Brumfield for performance year 2024, reported as part of a group. Dr. Brumfield accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 40 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Brumfield, more than 60% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Brumfield's MIPS scores, performance year 2024
- 100of 100Final score
- 97of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Brumfield ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 60th percentile40 procedures
- Colonoscopy
- 58th percentile39 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 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. Michael John Brumfield received $322 in industry payments from 2016 to 2025
CMS Open Payments shows 15 general payments to Dr. Brumfield from 11 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Sebela Pharmaceuticals Inc. paid the most, $44.
General payments to Dr. Brumfield by program year, 2016 to 2025
Companies that paid Dr. Brumfield the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Michael John Brumfield'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) |
| 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. Michael John Brumfield
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. Michael John Brumfield's NPI number?
Dr. Michael John Brumfield's NPI number is 1487856670. It was assigned on June 1, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael John Brumfield?
Dr. Michael John Brumfield is a general surgeon in Greencastle, Indiana. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Michael John Brumfield practice?
Dr. Brumfield practices at 1542 S Bloomington St, Greencastle, IN 46135. Dr. Brumfield's primary practice is Putnam County Hospital in Greencastle, Indiana, part of State of Indiana.
What is Dr. Michael John Brumfield's office phone number?
The practice phone on file for Dr. Brumfield is (765) 653-5121.
What is Dr. Michael John Brumfield's medical license number?
Dr. Brumfield holds Indiana license 02004189A, one of the licenses on file in 2 states.
Which states has Dr. Michael John Brumfield been licensed in?
Dmand AI has state licenses on file for Dr. Brumfield in Indiana and Arizona.
Which hospitals is Dr. Michael John Brumfield affiliated with?
Dr. Brumfield practices at Putnam County Hospital in Greencastle, Indiana.
What medical group is Dr. Michael John Brumfield part of?
Dr. Brumfield is linked to Putnam Pediatrics & Internal Medicine.
Does Dr. Michael John Brumfield accept Medicare?
Yes. CMS data shows Dr. Brumfield billed Medicare for 138 services in 2024, and Dr. Brumfield accepts Medicare assignment.
What is Dr. Michael John Brumfield's MIPS score?
Dr. Brumfield's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Michael John Brumfield see?
CMS counts 98 Medicare patients who saw Dr. Brumfield in 2024, with an average age of 74.
What services does Dr. Michael John Brumfield bill to Medicare?
In 2024, Dr. Brumfield's most billed Medicare services were office visit, established patient (99212), office visit, new patient (99204) and office visit, established patient (99213).
What drugs does Dr. Michael John Brumfield prescribe most?
In 2024 Medicare Part D data, Dr. Brumfield's most prescribed drugs by claims were Omeprazole and Pantoprazole Sodium.
Has Dr. Michael John Brumfield received payments from drug or device companies?
CMS Open Payments shows $322 in general payments to Dr. Brumfield from 11 companies from 2016 to 2025. The largest total came from Sebela Pharmaceuticals Inc.
How long has Dr. Michael John Brumfield been practicing?
Dr. Brumfield graduated from medical school in 2007, 19 years ago.
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