Dr. Mark O. Lynch, MD
- Medicare services, 2024
- 702
- Medicare patients, 2024
- 423
- Part D claims, 2024
- 123
- MIPS score, 2024
- 91
- Hospital affiliations
- 5
- Practice address
- 1606 N Seventh St, Terre Haute, IN 47804
- Practice phone
- Call (812) 238-7606
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lynch'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. Mark O. Lynch is a general surgeon in Terre Haute, Indiana
Dr. Lynch practices at Union Hospital in Terre Haute, Indiana, part of Union Health System.
Dr. Lynch's NPI, 1548264823, was assigned on June 2, 2005. Dr. Lynch graduated from Indiana University School of Medicine in 1982. Dr. Lynch holds Indiana license 01031535.
- NPI
- 1548264823NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032117221
- NPI enumeration date
- June 2, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (812) 238-7606
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark O. Lynch practices at Union Hospital in Terre Haute, Indiana
Dr. Lynch's primary practice is Union Hospital, at 1606 N Seventh St, Terre Haute, IN 47804 in Vigo County. The practice phone is (812) 238-7606.
- Union Hospital1606 N Seventh St, Terre Haute, IN 47804 · Vigo CountyPhone(812) 238-7606
Source: Dmand AI Affiliation Data
Dr. Mark O. Lynch is affiliated with 6 sites of care and 1 medical group
Dr. Lynch's primary practice is Union Hospital in Terre Haute, Indiana, part of Union Health System. Dr. Lynch is also affiliated with Union Hospital Regional. The medical group on file is Lynch Surgical Group. Dmand AI also links Dr. Lynch to 3 more hospitals and 1 group practice or clinic, 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. Mark O. Lynch's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lynch practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Union Hospital | Available with a free account |
| +5 more affiliated sites | 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 Union Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mark O. Lynch is one of 530 general surgeons in Indiana
Surgery is Dr. Lynch's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Lynch is licensed in Indiana.
Specialties and state licenses
- Surgery, IndianaPrimary
General surgeons near Dr. Lynch
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. Mark O. Lynch billed Medicare for 702 services in 2024
CMS data shows 702 Medicare services from Dr. Lynch across 19 procedure codes in 2024, for 423 Medicare patients. Medicare paid $56,439 for them.
Dr. Lynch's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7402024: 47536%
- Surgery
- 2023: 2732024: 18532%
- Other services
- 2023: 122024: 30150%
- Imaging
- 2023: 162024: 1225%
Where Dr. Lynch's Medicare services took place, 2024
- In an office33247%
- In a facility37053%
Dr. Lynch compared with the Indiana median for general surgeons, 2024
- Dr. Lynch
- Indiana median
- Medicare services
- 702vs 1564.5 times
- Medicare patients
- 423vs 1313.2 times
- Part D claims
- 72vs 4080% above
Medians across 526 general surgeons in Indiana with Dmand AI profiles that report each measure.
Dr. Lynch'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. Lynch and other general surgeons in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark O. Lynch treated 423 Medicare patients in 2024, average age 73
CMS counts 423 Medicare patients who saw Dr. Lynch in 2024. The largest group is 65 to 74, with 182 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.86, 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. Lynch's median patient age at 69, with 46% women.
Dr. Lynch's Medicare patients by age, 2024
Dr. Lynch's Medicare patients by sex, 2024
- Women22052%
- Men20348%
Chronic conditions among Dr. Lynch's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Ischemic heart disease47%
- Diabetes42%
- Chronic kidney disease38%
- COPD34%
- Atrial fibrillation31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lynch's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
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. Mark O. Lynch wrote 123 Medicare Part D claims in 2024
In 2024, Dr. Lynch wrote 123 Medicare Part D claims for 83 patients. 59% of them were for generic drugs. CMS names the drug for 72 of them, across 3 drugs with 11 or more claims each, at $7,030 in total drug cost. In 2023, CMS named 138 claims across 5 drugs.
Dr. Lynch's Part D claims by kind of drug, 2024
- Generic73 claims59%
- Brand-name50 claims41%
Dr. Lynch'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. Lynch's Part D claims, 2024
- Antibiotics24%29 of 123 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: 1382024: 7248%
Drugs named by CMS: 3 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. Mark O. Lynch scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Lynch for performance year 2024, reported through an alternative payment model (APM). Dr. Lynch accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 17 procedures of hernia repair - groin (open) by Dr. Lynch, more than 95% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Lynch's MIPS scores, performance year 2024
- 91of 100Final score
- 72.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Lynch ranks in Medicare procedure volume
- Colonoscopy
- 86th percentile129 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 74th percentile91 procedures
- Hernia repair - groin (open)
- 95th percentile17 procedures
- Melanoma (skin cancer) excision
- 72nd percentile17 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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)
Removal or shaving of skin growth: 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. Mark O. Lynch received $347 in industry payments from 2016 to 2024
CMS Open Payments shows 9 general payments to Dr. Lynch from 6 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $103.
General payments to Dr. Lynch by program year, 2016 to 2024
Companies that paid Dr. Lynch the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark O. Lynch graduated from Indiana University School of Medicine
Dr. Lynch graduated from Indiana University School of Medicine in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark O. Lynch'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) |
| 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. Mark O. Lynch
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. Mark O. Lynch's NPI number?
Dr. Mark O. Lynch's NPI number is 1548264823. It was assigned on June 2, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark O. Lynch?
Dr. Mark O. Lynch is a general surgeon in Terre Haute, Indiana. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Mark O. Lynch practice?
Dr. Lynch practices at 1606 N Seventh St, Terre Haute, IN 47804. Dr. Lynch's primary practice is Union Hospital in Terre Haute, Indiana, part of Union Health System. Dmand AI also links Dr. Lynch to 3 hospitals and 1 group practice or clinic.
What is Dr. Mark O. Lynch's office phone number?
The practice phone on file for Dr. Lynch is (812) 238-7606.
What is Dr. Mark O. Lynch's medical license number?
Dr. Lynch holds Indiana license 01031535.
Which hospitals is Dr. Mark O. Lynch affiliated with?
Dr. Lynch practices at Union Hospital in Terre Haute, Indiana. Dr. Lynch is also affiliated with Union Hospital Regional. Dmand AI links Dr. Lynch to 3 more hospitals.
What medical group is Dr. Mark O. Lynch part of?
Dr. Lynch is linked to Lynch Surgical Group.
Does Dr. Mark O. Lynch accept Medicare?
Yes. CMS data shows Dr. Lynch billed Medicare for 702 services in 2024, and Dr. Lynch accepts Medicare assignment.
What is Dr. Mark O. Lynch's MIPS score?
Dr. Lynch's MIPS final score for performance year 2024 is 91 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Mark O. Lynch see?
CMS counts 423 Medicare patients who saw Dr. Lynch in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. Mark O. Lynch bill to Medicare?
In 2024, Dr. Lynch's most billed Medicare services were office visit, established patient (99212), office visit, established patient (99213) and office visit, new patient (99203).
Where did Dr. Mark O. Lynch go to medical school?
Dr. Lynch graduated from Indiana University School of Medicine in 1982.
What drugs does Dr. Mark O. Lynch prescribe most?
In 2024 Medicare Part D data, Dr. Lynch's most prescribed drugs by claims were Sutab, Pantoprazole Sodium and Sulfasalazine.
Has Dr. Mark O. Lynch received payments from drug or device companies?
CMS Open Payments shows $347 in general payments to Dr. Lynch from 6 companies from 2016 to 2024. The largest total came from Medtronic, Inc.
How long has Dr. Mark O. Lynch been practicing?
Dr. Lynch graduated from medical school in 1982, 44 years ago.
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