BrainDisease Models, AnimalMice, Inbred C57BL
Dr. David M. Holtzman, MD
NPI1972521789PAC ID8628011822
- Medicare services, 2024
- 57
- Medicare patients, 2024
- 33
- Part D claims, 2024
- 103
- Publications
- 203
- MIPS score, 2024
- 84
- Practice address
- 4921 Parkview Pl, Saint Louis, MO 63110
- Practice phone
- Call (314) 362-3282
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Washington University School of Medicine
Saint Louis, Missouri
Find Dr. Holtzman's professional email, personal email and mobile number
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Dr. David M. Holtzman is a neurologist in Saint Louis, Missouri
Dr. Holtzman practices at Washington University School of Medicine in Saint Louis, Missouri.
Dr. Holtzman's NPI, 1972521789, was assigned on July 18, 2006. Dr. Holtzman graduated from Northwestern University Feinberg Medical School in 1985. Dr. Holtzman holds Missouri license 107434.
NPI and contact details
- NPI
- 1972521789NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628011822
- NPI enumeration date
- July 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 362-3282
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David M. Holtzman practices at Washington University School of Medicine in Saint Louis, Missouri
Dr. Holtzman's primary practice is Washington University School of Medicine, at 4921 Parkview Pl, Saint Louis, MO 63110 in Saint Louis City. The practice phone is (314) 362-3282.
- Washington University School of Medicine4921 Parkview Pl, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 362-3282
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David M. Holtzman is affiliated with 3 sites of care and 1 medical group
Dr. Holtzman's primary practice is Washington University School of Medicine in Saint Louis, Missouri. Dr. Holtzman is also affiliated with Barnes-Jewish Hospital. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Dr. Holtzman to 1 more group practice or clinic, named with a free account.
Washington University School of MedicinePrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David M. Holtzman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Holtzman practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Washington University School of Medicine | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David M. Holtzman is one of 403 neurologists in Missouri
Neurology is Dr. Holtzman's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Holtzman is licensed in Missouri.
Specialties and state licenses
- Neurology, MissouriPrimary
Neurologists near Dr. Holtzman
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. David M. Holtzman billed Medicare for 57 services in 2024
CMS data shows 57 Medicare services from Dr. Holtzman across 2 procedure codes in 2024, for 33 Medicare patients. Medicare paid $3,809 for them. Every service was in an office.
Medicare services, 202457
Medicare patients33
Paid by Medicare$3,809
Procedure codes2
Dr. Holtzman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 312024: 323%
- Office and hospital visits
- 2023: 322024: 2522%
Dr. Holtzman compared with the Missouri median for neurologists, 2024
- Dr. Holtzman
- Missouri median
- Medicare services
- 57vs 37385% below
- Medicare patients
- 33vs 21385% below
- Part D claims
- 66vs 26575% below
Medians across 392 neurologists in Missouri with Dmand AI profiles that report each measure.
Dr. Holtzman'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David M. Holtzman treated 33 Medicare patients in 2024, average age 76
CMS counts 33 Medicare patients who saw Dr. Holtzman in 2024. The largest group is 75 to 84, with 14 patients. 73% of them have high cholesterol, and 70% have alzheimer's and dementia. Their average risk score is 1.32, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Holtzman's median patient age at 75, with 54% women.
Medicare patients, 202433
Average age76
Average risk score1.32
Dr. Holtzman's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Holtzman's Medicare patients by sex, 2024
- Women2164%
- Men1236%
Chronic conditions among Dr. Holtzman's Medicare patients, 2024
- High cholesterol73%
- Alzheimer's and dementia70%
- High blood pressure67%
- Arthritis52%
- Mood disorders45%
- Depression42%
- Anxiety33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Holtzman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David M. Holtzman wrote 103 Medicare Part D claims in 2024
In 2024, Dr. Holtzman wrote 103 Medicare Part D claims for 26 patients. 100% of them were for generic drugs. CMS names the drug for 66 of them, across 3 drugs with 11 or more claims each, at $631 in total drug cost. In 2023, CMS named 20 claims across 1 drug.
Part D claims, 2024103
Drugs named by CMS3
Total drug cost$631
Part D patients26
Dr. Holtzman'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 202024: 66230%
Drugs named by CMS: 3 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. David M. Holtzman 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. Holtzman for performance year 2024, reported as part of a group. Dr. Holtzman accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Holtzman'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. David M. Holtzman has 203 publications on record
Dmand AI links 203 papers to Dr. Holtzman, published from 2017 to 2025. 2024 was the busiest year, with 38. The most frequent topics are Alzheimer Disease, Amyloid beta-Peptides and tau Proteins. Dr. Holtzman has published most often in Neuron. Dr. Holtzman's most frequent co-authors are Suzanne Elizabeth Schindler, MD, Eric Martin McDade, DO and Randall John Bateman, MD.
Papers203
Years published2017 to 2025
Dr. Holtzman's papers by year, 2017 to 2025
Topics Dr. Holtzman writes about most
- Alzheimer Disease
- Amyloid beta-Peptides
- tau Proteins
- Microglia
- Brain
- Apolipoproteins E
- Disease Models, Animal
- Mice, Transgenic
Dr. Holtzman's most frequent co-authors
- Suzanne Elizabeth Schindler, MD38 shared papers
- Eric Martin McDade, DO12 shared papers
- Randall John Bateman, MD8 shared papers
Recent publications by Dr. Holtzman
Alzheimer DiseaseBlood ProteinsMachine Learning
Alzheimer DiseaseCognitive DysfunctionNeurofibrillary Tangles
See who Dr. Holtzman researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Holtzman 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. David M. Holtzman received $208,097 in industry payments from 2016 to 2025
CMS Open Payments shows 64 general payments to Dr. Holtzman from 14 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 71% of the total. Genentech, Inc. paid the most, $130,818. It also lists 2 research payments totaling $13,400 in 2016.
General payments to Dr. Holtzman by program year, 2016 to 2025
General payments to Dr. Holtzman by kind, 2016 to 2025
$208.1Kin total
- Consulting fees$147,98871%
- Speaker and faculty fees$45,90022%
- Travel and lodging$13,4506%
- Food and beverage$7600%
Companies that paid Dr. Holtzman 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. David M. Holtzman graduated from Northwestern University Feinberg Medical School
Dr. Holtzman graduated from Northwestern University Feinberg Medical School in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David M. Holtzman'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 |
| 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. David M. Holtzman
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. David M. Holtzman's NPI number?
Dr. David M. Holtzman's NPI number is 1972521789. It was assigned on July 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David M. Holtzman?
Dr. David M. Holtzman is a neurologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. David M. Holtzman practice?
Dr. Holtzman practices at 4921 Parkview Pl, Saint Louis, MO 63110. Dr. Holtzman's primary practice is Washington University School of Medicine in Saint Louis, Missouri. Dmand AI also links Dr. Holtzman to 1 group practice or clinic.
What is Dr. David M. Holtzman's office phone number?
The practice phone on file for Dr. Holtzman is (314) 362-3282.
What is Dr. David M. Holtzman's medical license number?
Dr. Holtzman holds Missouri license 107434.
Which hospitals is Dr. David M. Holtzman affiliated with?
Dr. Holtzman is affiliated with Barnes-Jewish Hospital.
What medical group is Dr. David M. Holtzman part of?
Dr. Holtzman is linked to WashU Medicine Psychiatry.
Does Dr. David M. Holtzman accept Medicare?
Yes. CMS data shows Dr. Holtzman billed Medicare for 57 services in 2024, and Dr. Holtzman accepts Medicare assignment.
What is Dr. David M. Holtzman's MIPS score?
Dr. Holtzman'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. David M. Holtzman see?
CMS counts 33 Medicare patients who saw Dr. Holtzman in 2024, with an average age of 76.
Show 7 more questionsShow fewer questions
What services does Dr. David M. Holtzman bill to Medicare?
In 2024, Dr. Holtzman's most billed Medicare services were health assessment (96138) and office visit, established patient (99215).
Where did Dr. David M. Holtzman go to medical school?
Dr. Holtzman graduated from Northwestern University Feinberg Medical School in 1985.
What drugs does Dr. David M. Holtzman prescribe most?
In 2024 Medicare Part D data, Dr. Holtzman's most prescribed drugs by claims were Donepezil HCl, Memantine HCl and Quetiapine Fumarate.
Has Dr. David M. Holtzman received payments from drug or device companies?
CMS Open Payments shows $208,097 in general payments to Dr. Holtzman from 14 companies from 2016 to 2025. The largest total came from Genentech, Inc.
How long has Dr. David M. Holtzman been practicing?
Dr. Holtzman graduated from medical school in 1985, 41 years ago.
Does Dr. David M. Holtzman do research?
Dmand AI links 203 publications to Dr. Holtzman, published from 2017 to 2025.
Who does Dr. David M. Holtzman publish with?
Dr. Holtzman's most frequent co-authors are Suzanne Elizabeth Schindler, MD (38 shared papers), Eric Martin McDade, DO (12 shared papers) and Randall John Bateman, MD (8 shared papers).
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