ArteriesBone TransplantationCadaver
Dr. John Robert Lien, MD
NPI1932336963PAC ID9537475769
- Medicare services, 2024
- 2,587
- Medicare patients, 2024
- 282
- Part D claims, 2024
- 88
- Publications
- 8
- Hospital affiliations
- 2
- 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. Lien'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. John Robert Lien is an orthopaedic hand surgery physician in Ann Arbor, Michigan
Dr. Lien practices at IHA General Surgery in Ann Arbor, Michigan.
Dr. Lien's NPI, 1932336963, was assigned on June 17, 2009. Dr. Lien graduated from Boston University School of Medicine in 2009. Dr. Lien holds Michigan license 4301094233.
NPI and contact details
- NPI
- 1932336963NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537475769
- NPI enumeration date
- June 17, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (734) 712-8150
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Robert Lien practices at IHA General Surgery in Ann Arbor, Michigan
Dr. Lien'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. John Robert Lien is affiliated with 6 sites of care and 3 medical groups
Dr. Lien's primary practice is IHA General Surgery in Ann Arbor, Michigan. Dr. Lien is also affiliated with Trinity Health Ann Arbor Hospital. The medical group on file is University of Michigan Health. Dmand AI also links Dr. Lien to 1 more hospital, 3 group practices and clinics and 2 medical groups, 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. John Robert Lien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lien 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 2 medical groups | 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. Lien 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. John Robert Lien is one of 59 orthopaedic hand surgery physicians in Michigan
Hand surgery is Dr. Lien's primary specialty in the NPI Registry, under taxonomy code 207XS0106X. Dr. Lien is licensed in Michigan.
Specialties and state licenses
- Orthopaedic hand surgery, MichiganPrimary
Orthopaedic hand surgery physicians near Dr. Lien
Counts of orthopaedic hand surgery physicians with a Dmand AI profile, by place and practice. Each opens the list.
59orthopaedic hand surgery physicians in Michigan
6orthopaedic hand surgery physicians in Ann Arbor
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Robert Lien billed Medicare for 2,587 services in 2024
CMS data shows 2,587 Medicare services from Dr. Lien across 17 procedure codes in 2024, for 282 Medicare patients. Medicare paid $52,461 for them.
Medicare services, 20242,587
Medicare patients282
Paid by Medicare$52,461
Procedure codes17
Dr. Lien's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1612024: 1,699955%
- Office and hospital visits
- 2023: 4272024: 4006%
- Surgery
- 2023: 2172024: 2036%
- Imaging
- 2023: 2032024: 1935%
- Other services
- 2023: 852024: 928%
Where Dr. Lien's Medicare services took place, 2024
- In an office2,57499%
- In a facility131%
Dr. Lien compared with the Michigan median for orthopaedic hand surgery physicians, 2024
- Dr. Lien
- Michigan median
- Medicare services
- 2,587vs 4955.2 times
- Medicare patients
- 282vs 18453% above
- Part D claims
- 49vs 6929% below
Medians across 58 orthopaedic hand surgery physicians in Michigan with Dmand AI profiles that report each measure.
Dr. Lien'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. Lien?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lien and other orthopaedic hand surgery physicians in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Robert Lien treated 282 Medicare patients in 2024, average age 73
CMS counts 282 Medicare patients who saw Dr. Lien in 2024. The largest group is 65 to 74, with 137 patients. 72% of them have high cholesterol, and 70% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.10, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lien's median patient age at 63, with 60% women.
Medicare patients, 2024282
Average age73
Average risk score1.10
Also on Medicaid7%
Dr. Lien's Medicare patients by age, 2024
Dr. Lien's Medicare patients by sex, 2024
- Women17863%
- Men10437%
Chronic conditions among Dr. Lien's Medicare patients, 2024
- High cholesterol72%
- High blood pressure70%
- Arthritis60%
- Diabetes29%
- Ischemic heart disease27%
- Chronic kidney disease26%
- Mood disorders25%
- Depression24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Robert Lien wrote 88 Medicare Part D claims in 2024
In 2024, Dr. Lien wrote 88 Medicare Part D claims for 73 patients. 100% of them were for generic drugs. CMS names the drug for 49 of them, across 1 drug with 11 or more claims each, at $87 in total drug cost. In 2023, CMS named 26 claims across 1 drug.
Part D claims, 202488
Drugs named by CMS1
Total drug cost$87
Part D patients73
Dr. Lien'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. Lien's Part D claims, 2024
- Opioids75%66 of 88 claims
- Antibiotics17%15 of 88 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: 262024: 4988%
Drugs named by CMS: 1 in 2024, 1 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. John Robert Lien ranks in the 55th percentile for upper limb (arm) arthroscopy (minimally invasive joint repair) in Medicare
Dr. Lien accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 15 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. Lien, more than 55% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Lien ranks in Medicare procedure volume
- Upper limb (arm) arthroscopy (minimally invasive joint repair)
- 55th percentile15 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of nail tissue: 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); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Find orthopaedic hand surgery physicians like Dr. Lien 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. John Robert Lien has 8 publications on record
Dmand AI links 8 papers to Dr. Lien, published from 2015 to 2023. 2021 was the busiest year, with 2. The most frequent topics are Carpal Tunnel Syndrome, Radius and Tendon Injuries. Dr. Lien has published most often in Hand (N Y). Dr. Lien's most frequent co-authors are Jeffrey Nathan Lawton, MD, Ryan Davenport and Benjamin K. Gundlach, MD.
Papers8
Years published2015 to 2023
Dr. Lien's papers by year, 2015 to 2023
Topics Dr. Lien writes about most
- Carpal Tunnel Syndrome
- Radius
- Tendon Injuries
Dr. Lien's most frequent co-authors
- Jeffrey Nathan Lawton, MD3 shared papers
- Ryan Davenport2 shared papers
- Benjamin K. Gundlach, MD2 shared papers
Recent publications by Dr. Lien
J Hand Surg Am
Ambulatory Surgical ProceduresAnesthesia, LocalCarpal Tunnel Syndrome
Carpal Tunnel SyndromeDiabetes MellitusTrigger Finger Disorder
Biomechanical PhenomenaCompressive StrengthModels, Anatomic
See who Dr. Lien researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lien works with, so you can find a warm path to the right orthopaedic hand surgery physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Robert Lien received $56,393 in industry payments from 2019 to 2025
CMS Open Payments shows 72 general payments to Dr. Lien from 4 drug and device companies from 2019 to 2025. Consulting fees make up the largest share, 50% of the total. Globus Medical, Inc. paid the most, $56,190.
General payments to Dr. Lien by program year, 2019 to 2025
General payments to Dr. Lien by kind, 2019 to 2025
$56.4Kin total
- Consulting fees$28,03850%
- Speaker and faculty fees$21,25038%
- Travel and lodging$6,27011%
- Food and beverage$8351%
Companies that paid Dr. Lien the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Robert Lien graduated from Boston University School of Medicine
Dr. Lien graduated from Boston University School of Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Robert Lien'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. John Robert Lien
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. John Robert Lien's NPI number?
Dr. John Robert Lien's NPI number is 1932336963. It was assigned on June 17, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. John Robert Lien?
Dr. John Robert Lien is an orthopaedic hand surgery physician in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Orthopaedic Hand Surgery Physician (taxonomy code 207XS0106X).
Where does Dr. John Robert Lien practice?
Dr. Lien practices at 24 Frank Lloyd Wright Dr, Ann Arbor, MI 48105. Dr. Lien's primary practice is IHA General Surgery in Ann Arbor, Michigan. Dmand AI also links Dr. Lien to 1 hospital, 3 group practices and clinics and 2 medical groups.
What is Dr. John Robert Lien's office phone number?
The practice phone on file for Dr. Lien is (734) 712-8150.
What is Dr. John Robert Lien's medical license number?
Dr. Lien holds Michigan license 4301094233.
Which hospitals is Dr. John Robert Lien affiliated with?
Dr. Lien is affiliated with Trinity Health Ann Arbor Hospital. Dmand AI links Dr. Lien to 1 more hospital.
What medical group is Dr. John Robert Lien part of?
Dr. Lien is linked to University of Michigan Health. Dmand AI links Dr. Lien to 2 more medical groups.
Does Dr. John Robert Lien accept Medicare?
Yes. CMS data shows Dr. Lien billed Medicare for 2,587 services in 2024, and Dr. Lien accepts Medicare assignment.
How many Medicare patients does Dr. John Robert Lien see?
CMS counts 282 Medicare patients who saw Dr. Lien in 2024, with an average age of 73.
What services does Dr. John Robert Lien bill to Medicare?
In 2024, Dr. Lien's most billed Medicare services were injected or infused drug (J1010), office visit, established patient (99213) and surgery: bones and joints (20550).
Show 6 more questionsShow fewer questions
Where did Dr. John Robert Lien go to medical school?
Dr. Lien graduated from Boston University School of Medicine in 2009.
What drugs does Dr. John Robert Lien prescribe most?
In 2024 Medicare Part D data, Dr. Lien's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. John Robert Lien received payments from drug or device companies?
CMS Open Payments shows $56,393 in general payments to Dr. Lien from 4 companies from 2019 to 2025. The largest total came from Globus Medical, Inc.
How long has Dr. John Robert Lien been practicing?
Dr. Lien graduated from medical school in 2009, 17 years ago.
Does Dr. John Robert Lien do research?
Dmand AI links 8 publications to Dr. Lien, published from 2015 to 2023.
Who does Dr. John Robert Lien publish with?
Dr. Lien's most frequent co-authors are Jeffrey Nathan Lawton, MD (3 shared papers), Ryan Davenport (2 shared papers) and Benjamin K. Gundlach, MD (2 shared papers).
Selling to hand surgery practices?
See orthopaedic hand surgery physicians 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