$7,200 in research paymentsEctopia LentisLens SubluxationArtisan Aphakia Intraocular Lens
Dr. Robert Lawrence Tychsen, MD
NPI1568489094PAC ID8820130651
- Medicare services, 2024
- 65
- Medicare patients, 2024
- 33
- Part D claims, 2024
- 61
- Clinical trials
- 1
- MIPS score, 2024
- 84
- Practice address
- One Childrens Place, Saint Louis, MO 63110
- Practice phone
- Call (314) 454-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tychsen'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. Robert Lawrence Tychsen is an ophthalmologist in Saint Louis, Missouri
Dr. Tychsen practices at St. Louis Children's Hospital in Saint Louis, Missouri, part of BJC Health.
Dr. Tychsen's NPI, 1568489094, was assigned on July 17, 2006. Dr. Tychsen graduated from Georgetown University School of Medicine in 1979. Dr. Tychsen holds Missouri license R5J00.
NPI and contact details
- NPI
- 1568489094NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820130651
- NPI enumeration date
- July 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 454-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Lawrence Tychsen practices at 2 locations in Saint Louis, Missouri
Dr. Tychsen's primary practice is St. Louis Children's Hospital, at One Childrens Place, Saint Louis, MO 63110 in St. Louis City. The practice phone is (314) 454-6000. Dr. Tychsen also practices at St Louis Childrens Hospital, 1 Childrens Pl, Saint Louis, MO 63110.
- St. Louis Children's HospitalPrimaryOne Childrens Place, Saint Louis, MO 63110 · St. Louis CityPhone(314) 454-6000
- St Louis Childrens Hospital1 Childrens Pl, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 454-6000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Robert Lawrence Tychsen is affiliated with 2 sites of care and 1 medical group
Dr. Tychsen's primary practice is St. Louis Children's Hospital in Saint Louis, Missouri, part of BJC Health. Dr. Tychsen is also affiliated with Missouri Baptist Medical Center. The medical group on file is WashU Medicine Psychiatry.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert Lawrence Tychsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tychsen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Louis Children's Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Lawrence Tychsen is one of 270 ophthalmologists in Missouri
Ophthalmology is Dr. Tychsen's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Tychsen is licensed in Missouri.
Specialties and state licenses
- Ophthalmology, MissouriPrimary
Ophthalmologists near Dr. Tychsen
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
270ophthalmologists in Missouri86ophthalmologists in Saint Louis4ophthalmologists at St. Louis Children's Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert Lawrence Tychsen billed Medicare for 65 services in 2024
CMS data shows 65 Medicare services from Dr. Tychsen across 2 procedure codes in 2024, for 33 Medicare patients. Medicare paid $3,793 for them. Every service was in an office.
Medicare services, 202465
Medicare patients33
Paid by Medicare$3,793
Procedure codes2
Dr. Tychsen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 472024: 494%
- Office and hospital visits
- 2023: 142024: 1614%
- Surgery
- 2023: 132024: 0100%
Dr. Tychsen compared with the Missouri median for ophthalmologists, 2024
- Dr. Tychsen
- Missouri median
- Medicare services
- 65vs 1,58296% below
- Medicare patients
- 33vs 63095% below
- Part D claims
- 58vs 70392% below
Medians across 286 ophthalmologists in Missouri with Dmand AI profiles that report each measure.
Dr. Tychsen'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. Tychsen and other ophthalmologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Lawrence Tychsen treated 33 Medicare patients in 2024, average age 65
CMS counts 33 Medicare patients who saw Dr. Tychsen in 2024. The largest group is 65 to 74, with 18 patients. 75% of them have high cholesterol, and 58% have high blood pressure. Their average risk score is 0.62, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tychsen's median patient age at 15, with 54% women.
Medicare patients, 202433
Average age65
Average risk score0.62
Dr. Tychsen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Tychsen's Medicare patients by sex, 2024
- Women1958%
- Men1442%
Chronic conditions among Dr. Tychsen's Medicare patients, 2024
- High cholesterol75%
- High blood pressure58%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tychsen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 15
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Lawrence Tychsen wrote 61 Medicare Part D claims in 2024
In 2024, Dr. Tychsen wrote 61 Medicare Part D claims for 25 patients. 80% of them were for generic drugs. CMS names the drug for 58 of them, across 3 drugs with 11 or more claims each, at $910 in total drug cost. In 2023, CMS named 29 claims across 2 drugs.
Part D claims, 202461
Drugs named by CMS3
Total drug cost$910
Part D patients25
Dr. Tychsen's Part D claims by kind of drug, 2024
- Generic49 claims80%
- Brand-name12 claims20%
Dr. Tychsen'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. Tychsen's Part D claims, 2024
- Opioids30%18 of 61 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: 292024: 58100%
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. Robert Lawrence Tychsen 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. Tychsen for performance year 2024, reported as part of a group. Dr. Tychsen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Tychsen's MIPS scores, performance year 2024
- 84of 100Final score
- 71.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
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. Robert Lawrence Tychsen has worked on 1 clinical trial
Dmand AI links Dr. Tychsen to 1 clinical trial. Conditions studied include Ectopia Lentis and Lens Subluxation. Open Payments lists research payments to Dr. Tychsen that name 1 trial.
Conditions in Dr. Tychsen's trials
- Ectopia Lentis
- Lens Subluxation
Investigators on the most trials with Dr. Tychsen
- William Victor Anninger, MD1 shared trial
- Erick Darald Bothun, MD1 shared trial
- Richard Phillip Golden, MD1 shared trial
Recent clinical trials with Dr. Tychsen
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert Lawrence Tychsen received $331 in industry payments from 2019 to 2025
CMS Open Payments shows 3 general payments to Dr. Tychsen from 3 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Argenx US, Inc. paid the most, $125. It also lists 6 research payments totaling $8,600 from 2016 to 2021, naming 1 clinical trial.
General payments to Dr. Tychsen by program year, 2019 to 2025
Companies that paid Dr. Tychsen 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. Robert Lawrence Tychsen graduated from Georgetown University School of Medicine
Dr. Tychsen graduated from Georgetown University School of Medicine in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Lawrence Tychsen'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 Affiliation DataDmand AI Practice 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) |
| Clinical trials and co-investigators | ClinicalTrials.gov (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. Robert Lawrence Tychsen
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. Robert Lawrence Tychsen's NPI number?
Dr. Robert Lawrence Tychsen's NPI number is 1568489094. It was assigned on July 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Lawrence Tychsen?
Dr. Robert Lawrence Tychsen is an ophthalmologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Robert Lawrence Tychsen practice?
Dr. Tychsen practices at One Childrens Place, Saint Louis, MO 63110. Dr. Tychsen also practices at 1 Childrens Pl, Saint Louis, MO 63110. Dr. Tychsen's primary practice is St. Louis Children's Hospital in Saint Louis, Missouri, part of BJC Health.
What is Dr. Robert Lawrence Tychsen's office phone number?
The practice phone on file for Dr. Tychsen is (314) 454-6000.
What is Dr. Robert Lawrence Tychsen's medical license number?
Dr. Tychsen holds Missouri license R5J00.
Which hospitals is Dr. Robert Lawrence Tychsen affiliated with?
Dr. Tychsen practices at St. Louis Children's Hospital in Saint Louis, Missouri. Dr. Tychsen is also affiliated with Missouri Baptist Medical Center.
What medical group is Dr. Robert Lawrence Tychsen part of?
Dr. Tychsen is linked to WashU Medicine Psychiatry.
Does Dr. Robert Lawrence Tychsen accept Medicare?
Yes. CMS data shows Dr. Tychsen billed Medicare for 65 services in 2024, and Dr. Tychsen accepts Medicare assignment.
What is Dr. Robert Lawrence Tychsen's MIPS score?
Dr. Tychsen'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. Robert Lawrence Tychsen see?
CMS counts 33 Medicare patients who saw Dr. Tychsen in 2024, with an average age of 65.
Show 6 more questionsShow fewer questions
What services does Dr. Robert Lawrence Tychsen bill to Medicare?
In 2024, Dr. Tychsen's most billed Medicare services were eye exam or test (92060) and office visit, new patient (99204).
Where did Dr. Robert Lawrence Tychsen go to medical school?
Dr. Tychsen graduated from Georgetown University School of Medicine in 1979.
What drugs does Dr. Robert Lawrence Tychsen prescribe most?
In 2024 Medicare Part D data, Dr. Tychsen's most prescribed drugs by claims were Neomycin-Polymyxin-Dexameth, Oxycodone HCl and Fluorometholone.
Has Dr. Robert Lawrence Tychsen received payments from drug or device companies?
CMS Open Payments shows $331 in general payments to Dr. Tychsen from 3 companies from 2019 to 2025. The largest total came from Argenx US, Inc.
How long has Dr. Robert Lawrence Tychsen been practicing?
Dr. Tychsen graduated from medical school in 1979, 47 years ago.
Does Dr. Robert Lawrence Tychsen do research?
Dr. Tychsen has worked on 1 clinical trial.
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