Dr. David Daniel Markowitz, MD
- Medicare services, 2022
- 335
- Part D claims, 2022
- 435
- MIPS score, 2024
- 100
- Industry payments
- $2,079
- Affiliated sites
- 2
- Practice address
- 622 W 168th St, New York, NY 10032
- Practice phone
- Call (212) 297-4255
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Columbia University Irving Medical Center
New York, New York
Find Dr. Markowitz'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. David Daniel Markowitz is a gastroenterologist in New York, New York
Dr. Markowitz practices at Columbia University Irving Medical Center in New York, New York.
Dr. Markowitz's NPI, 1841358686, was assigned on December 5, 2006. Dr. Markowitz graduated from Columbia University Vagelos College of Physicians and Surgeons in 1985. Dr. Markowitz holds New York license 167056.
- NPI
- 1841358686NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547203937
- NPI enumeration date
- December 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (212) 297-4255
- 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 Daniel Markowitz practices at Columbia University Irving Medical Center in New York, New York
Dr. Markowitz's primary practice is Columbia University Irving Medical Center, at 622 W 168th St, New York, NY 10032 in New York County. The practice phone is (212) 297-4255.
- Columbia University Irving Medical Center622 W 168th St, New York, NY 10032 · New York CountyPhone(212) 297-4255
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David Daniel Markowitz is affiliated with 3 sites of care and 2 medical groups
Dr. Markowitz's primary practice is Columbia University Irving Medical Center in New York, New York. The medical group on file is ColumbiaDoctors. Dmand AI also links Dr. Markowitz to 2 more group practices and clinics and 1 medical group, each 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. David Daniel Markowitz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Markowitz practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Columbia University Irving Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Daniel Markowitz is one of 1,583 gastroenterologists in New York
Gastroenterology is Dr. Markowitz's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Markowitz is licensed in New York.
Specialties and state licenses
- Gastroenterology, New YorkPrimary
Gastroenterologists near Dr. Markowitz
Counts of gastroenterologists 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 Daniel Markowitz billed Medicare for 335 services in 2022
CMS data shows 335 Medicare services from Dr. Markowitz across 5 procedure codes in 2022. Medicare paid $35,700 for them.
Dr. Markowitz's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 5392022: 20263%
- Surgery
- 2021: 2532022: 13347%
- Other services
- 2021: 372022: 0100%
Where Dr. Markowitz's Medicare services took place, 2022
- In an office20260%
- In a facility13340%
Dr. Markowitz compared with the New York median for gastroenterologists, 2022
- Dr. Markowitz
- New York median
- Medicare services
- 335vs 42120% below
- Part D claims
- 435vs 38214% above
Medians across 1,551 gastroenterologists in New York with Dmand AI profiles that report each measure.
Dr. Markowitz's most billed Medicare procedure codes, 2022
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. Markowitz and other gastroenterologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Daniel Markowitz's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Markowitz's median patient age at 75, with 53% women.
Dr. Markowitz'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
- Women53%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. David Daniel Markowitz wrote 435 Medicare Part D claims in 2022
In 2022, Dr. Markowitz wrote 435 Medicare Part D claims. They cover 12 drugs, with $82,007 in total drug cost. In 2021, CMS named 930 claims across 21 drugs.
Dr. Markowitz's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 9302022: 43553%
Drugs named by CMS: 12 in 2022, 21 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. David Daniel Markowitz 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. Markowitz for performance year 2024, reported through an alternative payment model (APM). Dr. Markowitz accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Markowitz'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
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Dr. David Daniel Markowitz received $2,079 in industry payments from 2016 to 2021
CMS Open Payments shows 112 general payments to Dr. Markowitz from 17 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $555.
General payments to Dr. Markowitz by program year, 2016 to 2021
Companies that paid Dr. Markowitz the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Daniel Markowitz graduated from Columbia University Vagelos College of Physicians and Surgeons
Dr. Markowitz graduated from Columbia University Vagelos College of Physicians and Surgeons in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David Daniel Markowitz'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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) |
| 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 Daniel Markowitz
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 Daniel Markowitz's NPI number?
Dr. David Daniel Markowitz's NPI number is 1841358686. It was assigned on December 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David Daniel Markowitz?
Dr. David Daniel Markowitz is a gastroenterologist in New York, New York. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. David Daniel Markowitz practice?
Dr. Markowitz practices at 622 W 168th St, New York, NY 10032. Dr. Markowitz's primary practice is Columbia University Irving Medical Center in New York, New York. Dmand AI also links Dr. Markowitz to 2 group practices and clinics and 1 medical group.
What is Dr. David Daniel Markowitz's office phone number?
The practice phone on file for Dr. Markowitz is (212) 297-4255.
What is Dr. David Daniel Markowitz's medical license number?
Dr. Markowitz holds New York license 167056.
What medical group is Dr. David Daniel Markowitz part of?
Dr. Markowitz is linked to ColumbiaDoctors. Dmand AI links Dr. Markowitz to 1 more medical group.
Does Dr. David Daniel Markowitz accept Medicare?
Yes. CMS data shows Dr. Markowitz billed Medicare for 335 services in 2022, and Dr. Markowitz accepts Medicare assignment.
What is Dr. David Daniel Markowitz's MIPS score?
Dr. Markowitz's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
What services does Dr. David Daniel Markowitz bill to Medicare?
In 2022, Dr. Markowitz's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (43239) and surgery: digestive system (45380).
Where did Dr. David Daniel Markowitz go to medical school?
Dr. Markowitz graduated from Columbia University Vagelos College of Physicians and Surgeons in 1985.
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What drugs does Dr. David Daniel Markowitz prescribe most?
In 2022 Medicare Part D data, Dr. Markowitz's most prescribed drugs by claims were Linzess, Suprep and Famotidine.
Has Dr. David Daniel Markowitz received payments from drug or device companies?
CMS Open Payments shows $2,079 in general payments to Dr. Markowitz from 17 companies from 2016 to 2021. The largest total came from Abbvie Inc.
How long has Dr. David Daniel Markowitz been practicing?
Dr. Markowitz graduated from medical school in 1985, 41 years ago.
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