Dr. Louis Weimer, MD
- Medicare services, 2024
- 841
- Medicare patients, 2024
- 278
- Part D claims, 2024
- 547
- Publications
- 35
- MIPS score, 2024
- 100
- Practice address
- 630 W 168th St, New York, NY 10032
- Practice phone
- Call (212) 342-5155
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Trustees of Columbia University in the City of NY
New York, New York
Find Dr. Weimer'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. Louis Weimer is a neurologist in New York, New York
Dr. Weimer practices at Trustees of Columbia University in the City of NY in New York, New York.
Dr. Weimer's NPI, 1356357404, was assigned on July 31, 2006. Dr. Weimer graduated from Emory School of Medicine in 1988. Dr. Weimer holds New York license 183480-1.
- NPI
- 1356357404NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244247153
- NPI enumeration date
- July 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (212) 342-5155
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Louis Weimer practices at Trustees of Columbia University in the City of NY in New York, New York
Dr. Weimer's primary practice is Trustees of Columbia University in the City of NY, at 630 W 168th St, New York, NY 10032 in New York County. The practice phone is (212) 342-5155.
- Trustees of Columbia University in the City of NY630 W 168th St, New York, NY 10032 · New York CountyPhone(212) 342-5155
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Louis Weimer is affiliated with 3 sites of care and 1 medical group
Dr. Weimer's primary practice is Trustees of Columbia University in the City of NY in New York, New York. Dr. Weimer is also affiliated with NewYork-Presbyterian/Weill Cornell Medical Center. The medical group on file is ColumbiaDoctors. Dmand AI also links Dr. Weimer to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Louis Weimer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Weimer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Trustees of Columbia University in the City of NY | Available with a free account |
| +2 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Louis Weimer is one of 1,489 neurologists in New York
Neurology is Dr. Weimer's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Weimer is board certified in neurology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Weimer's licenses on file in 4 states: New York, Florida, New Jersey and Connecticut.
Specialties and state licenses
- Neurology, New YorkPrimary
- Florida license
- New Jersey license
- Connecticut license
Clinical focus
Dmand AI lists epilepsy, hereditary polyneuropathy, lower back pain, migraine and chronic headache, muscle disease, muscle pain, fibromyalgia, and limb pain, neuropathy and parkinson's disease among the conditions Dr. Weimer treats.
Neurologists near Dr. Weimer
Counts of neurologists 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. Louis Weimer billed Medicare for 841 services in 2024
CMS data shows 841 Medicare services from Dr. Weimer across 14 procedure codes in 2024, for 278 Medicare patients. Medicare paid $85,289 for them. Every service was in an office.
Dr. Weimer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2852024: 2985%
- Office and hospital visits
- 2023: 2652024: 2795%
- Other services
- 2023: 02024: 264
Dr. Weimer compared with the New York median for neurologists, 2024
- Dr. Weimer
- New York median
- Medicare services
- 841vs 3762.2 times
- Medicare patients
- 278vs 19046% above
- Part D claims
- 460vs 37523% above
Medians across 1,462 neurologists in New York with Dmand AI profiles that report each measure.
Dr. Weimer'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. Weimer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Weimer and other neurologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Louis Weimer treated 278 Medicare patients in 2024, average age 70
CMS counts 278 Medicare patients who saw Dr. Weimer in 2024. The largest group is 65 to 74, with 129 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 11% 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. Weimer's median patient age at 53, with 63% women.
Dr. Weimer's Medicare patients by age, 2024
Dr. Weimer's Medicare patients by sex, 2024
- Women14050%
- Men13850%
Chronic conditions among Dr. Weimer's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis63%
- Anxiety36%
- Ischemic heart disease33%
- Mood disorders32%
- Depression28%
- Diabetes28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Weimer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women63%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Louis Weimer wrote 547 Medicare Part D claims in 2024
In 2024, Dr. Weimer wrote 547 Medicare Part D claims for 93 patients. 74% of them were for generic drugs. CMS names the drug for 460 of them, across 14 drugs with 11 or more claims each, at $1,906,500 in total drug cost. In 2023, CMS named 429 claims across 13 drugs.
Dr. Weimer's Part D claims by kind of drug, 2024
- Generic406 claims74%
- Brand-name141 claims26%
Dr. Weimer'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. Weimer's Part D claims, 2024
- Opioids2%11 of 547 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: 4292024: 4607%
Drugs named by CMS: 14 in 2024, 13 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. Louis Weimer scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Weimer for performance year 2024, reported through an alternative payment model (APM). Dr. Weimer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Weimer as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Weimer's MIPS scores, performance year 2024
- 100of 100Final score
- 85.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Louis Weimer has 35 publications on record
Dmand AI links 35 papers to Dr. Weimer, published from 2002 to 2024. 2023 was the busiest year, with 3. The most frequent topics are Electromyography, Peripheral Nervous System Diseases and Neural Conduction. Dr. Weimer has published most often in Muscle Nerve. Dr. Weimer's most frequent co-authors are Thomas H. Brannagan, MD, Wendy Chung, MD and Clifton L. Gooch, MD.
Dr. Weimer's papers by year, 2004 to 2024
Topics Dr. Weimer writes about most
- Electromyography
- Peripheral Nervous System Diseases
- Neural Conduction
- Action Potentials
- Demyelinating Diseases
- Electrodiagnosis
- Motor Neuron Disease
- Muscle, Skeletal
Dr. Weimer's most frequent co-authors
- Thomas H. Brannagan, MD6 shared papers
- Wendy Chung, MD4 shared papers
- Clifton L. Gooch, MD4 shared papers
Recent publications by Dr. Weimer
Mov Disord Clin Pract
J Peripher Nerv Syst
See who Dr. Weimer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Weimer works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Louis Weimer received $126,143 in industry payments from 2016 to 2025
CMS Open Payments shows 299 general payments to Dr. Weimer from 29 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 89% of the total. Genentech, Inc. paid the most, $117,499. It also lists 8 research payments totaling $1,104 in 2025, naming 1 clinical trial.
General payments to Dr. Weimer by program year, 2016 to 2025
General payments to Dr. Weimer by kind, 2016 to 2025
- Consulting fees$111,83589%
- Travel and lodging$8,8097%
- Food and beverage$5,2734%
- Speaker and faculty fees$2260%
Companies that paid Dr. Weimer 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. Louis Weimer graduated from Emory School of Medicine
Dr. Weimer graduated from Emory School of Medicine in 1988. Dr. Weimer is a member of AAN.
- Medical school
- Board certified in neurology
- Board certified in neuromuscular medicine
Source: Dmand AI Professional Profile Data
Dr. Louis Weimer accepts plans from 13 insurance carriers
Dr. Weimer is in network with 13 carriers, including Elevance, Aetna and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Elevance
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- Cigna
- HCSC
- MVP Health Care
- +5 more carriersWith a free account
Plan types Dr. Weimer accepts, by number of carriers
- PPO10
- Medicare9
- EPO4
- POS4
- HMO3
- Medicaid3
Source: Dmand AI Insurance Network Data
Sources for Dr. Louis Weimer'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)Clinician Public Reporting: Overall MIPS Performance (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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Louis Weimer
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. Louis Weimer's NPI number?
Dr. Louis Weimer's NPI number is 1356357404. It was assigned on July 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Louis Weimer?
Dr. Louis Weimer is a neurologist in New York, New York. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Louis Weimer practice?
Dr. Weimer practices at 630 W 168th St, New York, NY 10032. Dr. Weimer's primary practice is Trustees of Columbia University in the City of NY in New York, New York. Dmand AI also links Dr. Weimer to 1 group practice or clinic.
What is Dr. Louis Weimer's office phone number?
The practice phone on file for Dr. Weimer is (212) 342-5155.
What is Dr. Louis Weimer's medical license number?
Dr. Weimer holds New York license 183480-1, one of the licenses on file in 4 states.
Which states has Dr. Louis Weimer been licensed in?
Dmand AI has state licenses on file for Dr. Weimer in New York (1990 to 2026), Florida (since 2021), New Jersey (2021 to 2027) and Connecticut (2022 to 2025).
Which hospitals is Dr. Louis Weimer affiliated with?
Dr. Weimer is affiliated with NewYork-Presbyterian/Weill Cornell Medical Center.
What medical group is Dr. Louis Weimer part of?
Dr. Weimer is linked to ColumbiaDoctors.
Does Dr. Louis Weimer accept Medicare?
Yes. CMS data shows Dr. Weimer billed Medicare for 841 services in 2024, and Dr. Weimer accepts Medicare assignment.
Does Dr. Louis Weimer offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Weimer as offering telehealth services.
Show 11 more questionsShow fewer questions
What is Dr. Louis Weimer's MIPS score?
Dr. Weimer's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Louis Weimer see?
CMS counts 278 Medicare patients who saw Dr. Weimer in 2024, with an average age of 70.
Is Dr. Louis Weimer board certified?
Yes. Dr. Weimer is board certified in neurology by the American Board of Psychiatry and Neurology.
What services does Dr. Louis Weimer bill to Medicare?
In 2024, Dr. Weimer's most billed Medicare services were medicare service (G2211), office visit, established patient (99215) and nerve and brain test (95886).
Where did Dr. Louis Weimer go to medical school?
Dr. Weimer graduated from Emory School of Medicine in 1988.
What drugs does Dr. Louis Weimer prescribe most?
In 2024 Medicare Part D data, Dr. Weimer's most prescribed drugs by claims were Pyridostigmine Bromide, Gabapentin and Gammagard Liquid.
Has Dr. Louis Weimer received payments from drug or device companies?
CMS Open Payments shows $126,143 in general payments to Dr. Weimer from 29 companies from 2016 to 2025. The largest total came from Genentech, Inc.
How long has Dr. Louis Weimer been practicing?
Dr. Weimer graduated from medical school in 1988, 38 years ago.
Does Dr. Louis Weimer do research?
Dmand AI links 35 publications to Dr. Weimer, published from 2002 to 2024.
Who does Dr. Louis Weimer publish with?
Dr. Weimer's most frequent co-authors are Thomas H. Brannagan, MD (6 shared papers), Wendy Chung, MD (4 shared papers) and Clifton L. Gooch, MD (4 shared papers).
What insurance does Dr. Louis Weimer accept?
Dr. Weimer is in network with 13 carriers, including Elevance, Aetna and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
Selling to neurology practices?
See neurologists in New York 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