Dr. Kerwin T. Farmer, DO
- Medicare services, 2024
- 228
- Medicare patients, 2024
- 198
- Part D claims, 2024
- 202
- MIPS score, 2024
- 84
- Hospital affiliations
- 1
- Practice address
- 416 Connable Ave, Petoskey, MI 49770
- Practice phone
- Call (231) 487-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Farmer's professional email, personal email and mobile number
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Dr. Kerwin T. Farmer is an emergency medicine physician in Petoskey, Michigan
Dr. Farmer practices at McLaren Northern Michigan in Petoskey, Michigan, part of McLaren Health Care.
Dr. Farmer's NPI, 1942209010, was assigned on July 20, 2005. Dr. Farmer graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 1996. Dr. Farmer holds Michigan license 5101013227.
- NPI
- 1942209010NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466349303
- NPI enumeration date
- July 20, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (231) 487-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kerwin T. Farmer practices at McLaren Northern Michigan in Petoskey, Michigan
Dr. Farmer's primary practice is McLaren Northern Michigan, at 416 Connable Ave, Petoskey, MI 49770 in Emmet County. The practice phone is (231) 487-4000.
- McLaren Northern Michigan416 Connable Ave, Petoskey, MI 49770 · Emmet CountyPhone(231) 487-4000
Source: Dmand AI Affiliation Data
Dr. Kerwin T. Farmer is affiliated with 1 site of care and 1 medical group
Dr. Farmer's primary practice is McLaren Northern Michigan in Petoskey, Michigan, part of McLaren Health Care. The medical group on file is Emergency Care Specialists (ECS).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kerwin T. Farmer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Farmer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| McLaren Northern Michigan | 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 McLaren Health Care and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Kerwin T. Farmer is one of 2,045 emergency medicine physicians in Michigan
Emergency medicine is Dr. Farmer's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Farmer is licensed in Michigan.
Specialties and state licenses
- Emergency medicine, MichiganPrimary
Emergency medicine physicians near Dr. Farmer
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. Kerwin T. Farmer billed Medicare for 228 services in 2024
CMS data shows 228 Medicare services from Dr. Farmer across 4 procedure codes in 2024, for 198 Medicare patients. Medicare paid $24,382 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Farmer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2572024: 22811%
Dr. Farmer compared with the Michigan median for emergency medicine physicians, 2024
- Dr. Farmer
- Michigan median
- Medicare services
- 228vs 234Close to median
- Medicare patients
- 198vs 2147% below
- Part D claims
- 87vs 4689% above
Medians across 1,937 emergency medicine physicians in Michigan with Dmand AI profiles that report each measure.
Dr. Farmer'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. Kerwin T. Farmer treated 198 Medicare patients in 2024, average age 69
CMS counts 198 Medicare patients who saw Dr. Farmer in 2024. The largest group is 65 to 74, with 60 patients. 71% of them have high blood pressure, and 66% have high cholesterol. 32% are also on Medicaid. Their average risk score is 1.33, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Farmer's median patient age at 66, with 55% women.
Dr. Farmer's Medicare patients by age, 2024
Dr. Farmer's Medicare patients by sex, 2024
- Women10453%
- Men9447%
Chronic conditions among Dr. Farmer's Medicare patients, 2024
- High blood pressure71%
- High cholesterol66%
- Arthritis44%
- Mood disorders34%
- Anxiety33%
- Chronic kidney disease31%
- Depression31%
- Ischemic heart disease31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Farmer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kerwin T. Farmer wrote 202 Medicare Part D claims in 2024
In 2024, Dr. Farmer wrote 202 Medicare Part D claims for 146 patients. 95% of them were for generic drugs. CMS names the drug for 87 of them, across 6 drugs with 11 or more claims each, at $339 in total drug cost. In 2023, CMS named 64 claims across 5 drugs.
Dr. Farmer's Part D claims by kind of drug, 2024
- Generic192 claims95%
- Brand-name and other10 claims5%
Dr. Farmer'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. Farmer's Part D claims, 2024
- Opioids9%19 of 202 claims
- Antibiotics38%77 of 202 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: 642024: 8736%
Drugs named by CMS: 6 in 2024, 5 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. Kerwin T. Farmer 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. Farmer for performance year 2024, reported as part of a group. Dr. Farmer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Farmer's MIPS scores, performance year 2024
- 84of 100Final score
- 79.3of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Kerwin T. Farmer received $162 in industry payments from 2017 to 2019
CMS Open Payments shows 18 general payments to Dr. Farmer from 1 drug or device company from 2017 to 2019. Food and beverage make up the largest share, 100% of the total. Sunovion Pharmaceuticals Inc. paid the most, $162.
General payments to Dr. Farmer by program year, 2017 to 2019
Companies that paid Dr. Farmer the most, 2017 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kerwin T. Farmer graduated from Des Moines University of Osteopathic Medicine and Health Sciences
Dr. Farmer graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Kerwin T. Farmer'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) |
| 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. Kerwin T. Farmer
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. Kerwin T. Farmer's NPI number?
Dr. Kerwin T. Farmer's NPI number is 1942209010. It was assigned on July 20, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Kerwin T. Farmer?
Dr. Kerwin T. Farmer is an emergency medicine physician in Petoskey, Michigan. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Kerwin T. Farmer practice?
Dr. Farmer practices at 416 Connable Ave, Petoskey, MI 49770. Dr. Farmer's primary practice is McLaren Northern Michigan in Petoskey, Michigan, part of McLaren Health Care.
What is Dr. Kerwin T. Farmer's office phone number?
The practice phone on file for Dr. Farmer is (231) 487-4000.
What is Dr. Kerwin T. Farmer's medical license number?
Dr. Farmer holds Michigan license 5101013227.
Which hospitals is Dr. Kerwin T. Farmer affiliated with?
Dr. Farmer practices at McLaren Northern Michigan in Petoskey, Michigan.
What medical group is Dr. Kerwin T. Farmer part of?
Dr. Farmer is linked to Emergency Care Specialists (ECS).
Does Dr. Kerwin T. Farmer accept Medicare?
Yes. CMS data shows Dr. Farmer billed Medicare for 228 services in 2024, and Dr. Farmer accepts Medicare assignment.
What is Dr. Kerwin T. Farmer's MIPS score?
Dr. Farmer's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Dr. Kerwin T. Farmer see?
CMS counts 198 Medicare patients who saw Dr. Farmer in 2024, with an average age of 69.
Show 5 more questionsShow fewer questions
What services does Dr. Kerwin T. Farmer bill to Medicare?
In 2024, Dr. Farmer's most billed Medicare services were emergency department visit (99284), emergency department visit (99285) and emergency department visit (99283).
Where did Dr. Kerwin T. Farmer go to medical school?
Dr. Farmer graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 1996.
What drugs does Dr. Kerwin T. Farmer prescribe most?
In 2024 Medicare Part D data, Dr. Farmer's most prescribed drugs by claims were Methylprednisolone, Ondansetron ODT and Cephalexin.
Has Dr. Kerwin T. Farmer received payments from drug or device companies?
CMS Open Payments shows $162 in general payments to Dr. Farmer from 1 company from 2017 to 2019. The largest total came from Sunovion Pharmaceuticals Inc.
How long has Dr. Kerwin T. Farmer been practicing?
Dr. Farmer graduated from medical school in 1996, 30 years ago.
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