AmyloidBiofilmsEscherichia coli
Dr. Justin L. Chamberlain, MD
NPI1073872743PAC ID5092947838
- Medicare services, 2024
- 79
- Medicare patients, 2024
- 107
- Part D claims, 2024
- 60
- Publications
- 2
- Hospital affiliations
- 3
- Practice address
- 24 Frank Lloyd Wright Dr, Ann Arbor, MI 48105
- Practice phone
- Call (734) 712-8150
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
IHA General Surgery
Ann Arbor, Michigan
Find Dr. Chamberlain'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. Justin L. Chamberlain is a general surgeon in Ann Arbor, Michigan
Dr. Chamberlain practices at IHA General Surgery in Ann Arbor, Michigan.
Dr. Chamberlain's NPI, 1073872743, was assigned on May 15, 2012. Dr. Chamberlain graduated from University of Michigan Medical School in 2012. Dr. Chamberlain holds Michigan license 4301100248.
NPI and contact details
- NPI
- 1073872743NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092947838
- NPI enumeration date
- May 15, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (734) 712-8150
- 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; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Justin L. Chamberlain practices at IHA General Surgery in Ann Arbor, Michigan
Dr. Chamberlain's primary practice is IHA General Surgery, at 24 Frank Lloyd Wright Dr, Ann Arbor, MI 48105 in Washtenaw County. The practice phone is (734) 712-8150.
- IHA General Surgery24 Frank Lloyd Wright Dr, Ann Arbor, MI 48105 · Washtenaw CountyPhone(734) 712-8150
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Justin L. Chamberlain is affiliated with 6 sites of care and 2 medical groups
Dr. Chamberlain's primary practice is IHA General Surgery in Ann Arbor, Michigan. Dr. Chamberlain is also affiliated with Trinity Health Ann Arbor Hospital. The medical group on file is Trinity Health IHA Medical Group. Dmand AI also links Dr. Chamberlain to 2 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
IHA General SurgeryPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Justin L. Chamberlain's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chamberlain practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| IHA General Surgery | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Chamberlain practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Justin L. Chamberlain is one of 1,095 general surgeons in Michigan
Surgery is Dr. Chamberlain's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Chamberlain is licensed in Michigan.
Specialties and state licenses
- Surgery, MichiganPrimary
General surgeons near Dr. Chamberlain
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. Justin L. Chamberlain billed Medicare for 79 services in 2024
CMS data shows 79 Medicare services from Dr. Chamberlain across 3 procedure codes in 2024, all of them office visits, for 107 Medicare patients. Medicare paid $7,404 for them. Every service was in an office.
Medicare services, 202479
Medicare patients107
Paid by Medicare$7,404
Procedure codes3
Dr. Chamberlain's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 942024: 7916%
- Surgery
- 2023: 142024: 0100%
Dr. Chamberlain compared with the Michigan median for general surgeons, 2024
- Dr. Chamberlain
- Michigan median
- Medicare services
- 79vs 12637% below
- Medicare patients
- 107vs 107Close to median
- Part D claims
- 23vs 3023% below
Medians across 1,046 general surgeons in Michigan with Dmand AI profiles that report each measure.
Dr. Chamberlain'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. Chamberlain?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chamberlain and other general surgeons in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Justin L. Chamberlain treated 107 Medicare patients in 2024, average age 72
CMS counts 107 Medicare patients who saw Dr. Chamberlain in 2024. The largest group is 65 to 74, with 55 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.80, 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. Chamberlain's median patient age at 64, with 46% women.
Medicare patients, 2024107
Average age72
Average risk score1.80
Also on Medicaid11%
Dr. Chamberlain's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chamberlain's Medicare patients by sex, 2024
- Women4340%
- Men6460%
Chronic conditions among Dr. Chamberlain's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Chronic kidney disease40%
- Diabetes39%
- Ischemic heart disease36%
- Cancer26%
- Atrial fibrillation24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chamberlain's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Justin L. Chamberlain wrote 60 Medicare Part D claims in 2024
In 2024, Dr. Chamberlain wrote 60 Medicare Part D claims for 42 patients. 100% of them were for generic drugs. CMS names the drug for 23 of them, across 1 drug with 11 or more claims each, at $28 in total drug cost. In 2022, CMS named 43 claims across 2 drugs.
Part D claims, 202460
Drugs named by CMS1
Total drug cost$28
Part D patients42
Dr. Chamberlain'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. Chamberlain's Part D claims, 2024
- Opioids43%26 of 60 claims
- Antibiotics22%13 of 60 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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 432024: 2347%
Drugs named by CMS: 1 in 2024, 2 in 2022.
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. Justin L. Chamberlain ranks in the 87th percentile for hernia repair (minimally invasive) in Medicare
Dr. Chamberlain accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chamberlain as offering telehealth. CMS counts 19 procedures of hernia repair (minimally invasive) by Dr. Chamberlain, more than 87% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Chamberlain ranks in Medicare procedure volume
- Hernia repair (minimally invasive)
- 87th percentile19 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)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Find general surgeons like Dr. Chamberlain by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Justin L. Chamberlain has 2 publications on record
Dmand AI links 2 papers to Dr. Chamberlain in 2017. Dr. Chamberlain's most frequent co-author is Theodore Alexander Kung, MD.
Papers2
Dr. Chamberlain's most frequent co-authors
Recent publications by Dr. Chamberlain
Plast Reconstr Surg
Attitude of Health PersonnelGeneral SurgeryMigraine Disorders
See who Dr. Chamberlain researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chamberlain 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. Justin L. Chamberlain received $84,425 in industry payments from 2018 to 2025
CMS Open Payments shows 121 general payments to Dr. Chamberlain from 7 drug and device companies from 2018 to 2025. Education make up the largest share, 85% of the total. Intuitive Surgical, Inc. paid the most, $81,502. It also lists 1 research payment totaling $500 in 2023.
General payments to Dr. Chamberlain by program year, 2018 to 2025
General payments to Dr. Chamberlain by kind, 2018 to 2025
$84.4Kin total
- Education$72,00085%
- Travel and lodging$6,2097%
- Food and beverage$6,2007%
- Gifts$160%
Companies that paid Dr. Chamberlain the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Justin L. Chamberlain graduated from University of Michigan Medical School
Dr. Chamberlain graduated from University of Michigan Medical School in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Justin L. Chamberlain'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)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. Justin L. Chamberlain
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. Justin L. Chamberlain's NPI number?
Dr. Justin L. Chamberlain's NPI number is 1073872743. It was assigned on May 15, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Justin L. Chamberlain?
Dr. Justin L. Chamberlain is a general surgeon in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Justin L. Chamberlain practice?
Dr. Chamberlain practices at 24 Frank Lloyd Wright Dr, Ann Arbor, MI 48105. Dr. Chamberlain's primary practice is IHA General Surgery in Ann Arbor, Michigan. Dmand AI also links Dr. Chamberlain to 2 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Justin L. Chamberlain's office phone number?
The practice phone on file for Dr. Chamberlain is (734) 712-8150.
What is Dr. Justin L. Chamberlain's medical license number?
Dr. Chamberlain holds Michigan license 4301100248.
Which hospitals is Dr. Justin L. Chamberlain affiliated with?
Dr. Chamberlain is affiliated with Trinity Health Ann Arbor Hospital. Dmand AI links Dr. Chamberlain to 2 more hospitals.
What medical group is Dr. Justin L. Chamberlain part of?
Dr. Chamberlain is linked to Trinity Health IHA Medical Group. Dmand AI links Dr. Chamberlain to 1 more medical group.
Does Dr. Justin L. Chamberlain accept Medicare?
Yes. CMS data shows Dr. Chamberlain billed Medicare for 79 services in 2024, and Dr. Chamberlain accepts Medicare assignment.
Does Dr. Justin L. Chamberlain offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chamberlain as offering telehealth services.
How many Medicare patients does Dr. Justin L. Chamberlain see?
CMS counts 107 Medicare patients who saw Dr. Chamberlain in 2024, with an average age of 72.
Show 7 more questionsShow fewer questions
What services does Dr. Justin L. Chamberlain bill to Medicare?
In 2024, Dr. Chamberlain's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99203) and office visit, new patient (99204).
Where did Dr. Justin L. Chamberlain go to medical school?
Dr. Chamberlain graduated from University of Michigan Medical School in 2012.
What drugs does Dr. Justin L. Chamberlain prescribe most?
In 2024 Medicare Part D data, Dr. Chamberlain's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Justin L. Chamberlain received payments from drug or device companies?
CMS Open Payments shows $84,425 in general payments to Dr. Chamberlain from 7 companies from 2018 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Justin L. Chamberlain been practicing?
Dr. Chamberlain graduated from medical school in 2012, 14 years ago.
Does Dr. Justin L. Chamberlain do research?
Dmand AI links 2 publications to Dr. Chamberlain.
Who does Dr. Justin L. Chamberlain publish with?
Dr. Chamberlain's most frequent co-authors are Theodore Alexander Kung, MD (1 shared paper).
Selling to surgery practices?
See general surgeons in Michigan by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card