Dr. Jeffrey Richard Gerken, DO
- Medicare services, 2024
- 324
- Medicare patients, 2024
- 248
- Part D claims, 2024
- 120
- Publications
- 5
- MIPS score, 2024
- 96
- Practice address
- 28050 Grand River Avenue, Farmington Hills, MI 48336
- Practice phone
- Call (248) 471-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gerken'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. Jeffrey Richard Gerken is a general surgeon in Farmington Hills, Michigan
Dr. Gerken practices at Corewell Health Farmington Hills Hospital in Farmington Hills, Michigan, part of Corewell Health.
Dr. Gerken's NPI, 1851504203, was assigned on May 8, 2007. Dr. Gerken graduated from Michigan State University College of Osteopathic Medicine in 2004. Dr. Gerken holds Michigan license 5101016070.
- NPI
- 1851504203NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264582055
- NPI enumeration date
- May 8, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (248) 471-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jeffrey Richard Gerken practices at Corewell Health Farmington Hills Hospital in Farmington Hills, Michigan
Dr. Gerken's primary practice is Corewell Health Farmington Hills Hospital, at 28050 Grand River Avenue, Farmington Hills, MI 48336 in Oakland County. The practice phone is (248) 471-8000.
- Corewell Health Farmington Hills Hospital28050 Grand River Avenue, Farmington Hills, MI 48336 · Oakland CountyPhone(248) 471-8000
Source: Dmand AI Affiliation Data
Dr. Jeffrey Richard Gerken is affiliated with 4 sites of care and 2 medical groups
Dr. Gerken's primary practice is Corewell Health Farmington Hills Hospital in Farmington Hills, Michigan, part of Corewell Health. Dr. Gerken is also affiliated with Corewell Health William Beaumont University Hospital. The medical group on file is Beaumont Medical Group - Specialty Services. Dmand AI also links Dr. Gerken to 1 more hospital, 1 group practice or clinic and 1 medical group, 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. Jeffrey Richard Gerken's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gerken practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Farmington Hills Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jeffrey Richard Gerken is one of 1,095 general surgeons in Michigan
Surgery is Dr. Gerken's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Gerken is licensed in Michigan.
Specialties and state licenses
- Surgery, MichiganPrimary
General surgeons near Dr. Gerken
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. Jeffrey Richard Gerken billed Medicare for 324 services in 2024
CMS data shows 324 Medicare services from Dr. Gerken across 10 procedure codes in 2024, for 248 Medicare patients. Medicare paid $40,426 for them.
Dr. Gerken's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2252024: 2344%
- Surgery
- 2023: 482024: 6842%
- Other services
- 2023: 272024: 2219%
Where Dr. Gerken's Medicare services took place, 2024
- In an office7423%
- In a facility25077%
Dr. Gerken compared with the Michigan median for general surgeons, 2024
- Dr. Gerken
- Michigan median
- Medicare services
- 324vs 1262.6 times
- Medicare patients
- 248vs 1072.3 times
- Part D claims
- 56vs 3087% above
Medians across 1,046 general surgeons in Michigan with Dmand AI profiles that report each measure.
Dr. Gerken'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gerken and other general surgeons in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jeffrey Richard Gerken treated 248 Medicare patients in 2024, average age 73
CMS counts 248 Medicare patients who saw Dr. Gerken in 2024. The largest group is 65 to 74, with 137 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.62, 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. Gerken's median patient age at 60, with 40% women.
Dr. Gerken's Medicare patients by age, 2024
Dr. Gerken's Medicare patients by sex, 2024
- Women10844%
- Men14056%
Chronic conditions among Dr. Gerken's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Ischemic heart disease38%
- Chronic kidney disease34%
- Diabetes33%
- COPD31%
- Mood disorders31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gerken's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women40%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jeffrey Richard Gerken wrote 120 Medicare Part D claims in 2024
In 2024, Dr. Gerken wrote 120 Medicare Part D claims for 63 patients. 93% of them were for generic drugs. CMS names the drug for 56 of them, across 3 drugs with 11 or more claims each, at $4,866 in total drug cost. In 2023, CMS named 39 claims across 2 drugs.
Dr. Gerken's Part D claims by kind of drug, 2024
- Generic112 claims93%
- Brand-name and other8 claims7%
Dr. Gerken'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. Gerken's Part D claims, 2024
- Antibiotics15%18 of 120 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: 392024: 5644%
Drugs named by CMS: 3 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. Jeffrey Richard Gerken scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Gerken for performance year 2024, reported as part of a group. Dr. Gerken accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 14 procedures of hernia repair (minimally invasive) by Dr. Gerken, more than 80% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Gerken's MIPS scores, performance year 2024
- 96of 100Final score
- 94.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 80of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Gerken ranks in Medicare procedure volume
- Colonoscopy
- 67th percentile59 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 49th percentile19 procedures
- Hernia repair (minimally invasive)
- 80th percentile14 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)
Mastectomy: 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. Jeffrey Richard Gerken has 5 publications on record
Dmand AI links 5 papers to Dr. Gerken, published from 2018 to 2024. 2024 was the busiest year, with 3. Dr. Gerken has published most often in Cureus. Dr. Gerken's most frequent co-authors are Michaela Knaggs, Thomas J. Serena, DO, MA and Leanne M. Iorio, DO.
Dr. Gerken's papers by year, 2018 to 2024
Dr. Gerken's most frequent co-authors
- Michaela Knaggs2 shared papers
- Thomas J. Serena, DO, MA2 shared papers
- Leanne M. Iorio, DO1 shared paper
Recent publications by Dr. Gerken
See who Dr. Gerken researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gerken works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jeffrey Richard Gerken received $8,845 in industry payments from 2016 to 2025
CMS Open Payments shows 145 general payments to Dr. Gerken from 36 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 50% of the total. Intuitive Surgical, Inc. paid the most, $4,454.
General payments to Dr. Gerken by program year, 2016 to 2025
General payments to Dr. Gerken by kind, 2016 to 2025
- Food and beverage$4,38350%
- Travel and lodging$2,44228%
- Education$2,02023%
Companies that paid Dr. Gerken the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jeffrey Richard Gerken graduated from Michigan State University College of Osteopathic Medicine
Dr. Gerken graduated from Michigan State University College of Osteopathic Medicine in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jeffrey Richard Gerken'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Jeffrey Richard Gerken
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What is Dr. Jeffrey Richard Gerken's NPI number?
Dr. Jeffrey Richard Gerken's NPI number is 1851504203. It was assigned on May 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeffrey Richard Gerken?
Dr. Jeffrey Richard Gerken is a general surgeon in Farmington Hills, Michigan. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Jeffrey Richard Gerken practice?
Dr. Gerken practices at 28050 Grand River Avenue, Farmington Hills, MI 48336. Dr. Gerken's primary practice is Corewell Health Farmington Hills Hospital in Farmington Hills, Michigan, part of Corewell Health. Dmand AI also links Dr. Gerken to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Dr. Jeffrey Richard Gerken's office phone number?
The practice phone on file for Dr. Gerken is (248) 471-8000.
What is Dr. Jeffrey Richard Gerken's medical license number?
Dr. Gerken holds Michigan license 5101016070.
Which hospitals is Dr. Jeffrey Richard Gerken affiliated with?
Dr. Gerken practices at Corewell Health Farmington Hills Hospital in Farmington Hills, Michigan. Dr. Gerken is also affiliated with Corewell Health William Beaumont University Hospital. Dmand AI links Dr. Gerken to 1 more hospital.
What medical group is Dr. Jeffrey Richard Gerken part of?
Dr. Gerken is linked to Beaumont Medical Group - Specialty Services. Dmand AI links Dr. Gerken to 1 more medical group.
Does Dr. Jeffrey Richard Gerken accept Medicare?
Yes. CMS data shows Dr. Gerken billed Medicare for 324 services in 2024, and Dr. Gerken accepts Medicare assignment.
What is Dr. Jeffrey Richard Gerken's MIPS score?
Dr. Gerken's MIPS final score for performance year 2024 is 96 out of 100, reported as part of a group.
How many Medicare patients does Dr. Jeffrey Richard Gerken see?
CMS counts 248 Medicare patients who saw Dr. Gerken in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
What services does Dr. Jeffrey Richard Gerken bill to Medicare?
In 2024, Dr. Gerken's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and office visit, new patient (99203).
Where did Dr. Jeffrey Richard Gerken go to medical school?
Dr. Gerken graduated from Michigan State University College of Osteopathic Medicine in 2004.
What drugs does Dr. Jeffrey Richard Gerken prescribe most?
In 2024 Medicare Part D data, Dr. Gerken's most prescribed drugs by claims were Pantoprazole Sodium, Sucralfate and Omeprazole.
Has Dr. Jeffrey Richard Gerken received payments from drug or device companies?
CMS Open Payments shows $8,845 in general payments to Dr. Gerken from 36 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Jeffrey Richard Gerken been practicing?
Dr. Gerken graduated from medical school in 2004, 22 years ago.
Does Dr. Jeffrey Richard Gerken do research?
Dmand AI links 5 publications to Dr. Gerken, published from 2018 to 2024.
Who does Dr. Jeffrey Richard Gerken publish with?
Dr. Gerken's most frequent co-authors are Michaela Knaggs (2 shared papers), Thomas J. Serena, DO, MA (2 shared papers) and Leanne M. Iorio, DO (1 shared paper).
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