Dr. Brian A. Markoff, MD
- Medicare services, 2024
- 178
- Medicare patients, 2024
- 88
- Part D claims, 2024
- 15
- Publications
- 3
- Hospital affiliations
- 2
- Practice address
- 1000 Tenth Avenue, New York, NY 10019
- Practice phone
- Call (212) 523-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Markoff'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. Brian A. Markoff is an internist in New York, New York
Dr. Markoff practices at Mount Sinai West in New York, New York, part of Mount Sinai Health System.
Dr. Markoff's NPI, 1083646111, was assigned on July 7, 2006. Dr. Markoff graduated from University of California, San Francisco School of Medicine in 1994. Dr. Markoff holds New York license 225586.
- NPI
- 1083646111NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294629259
- NPI enumeration date
- July 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (212) 523-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brian A. Markoff practices at Mount Sinai West in New York, New York
Dr. Markoff's primary practice is Mount Sinai West, at 1000 Tenth Avenue, New York, NY 10019 in New York County. The practice phone is (212) 523-4000.
- Mount Sinai West1000 Tenth Avenue, New York, NY 10019 · New York CountyPhone(212) 523-4000
Source: Dmand AI Affiliation Data
Dr. Brian A. Markoff is affiliated with 2 sites of care and 2 medical groups
Dr. Markoff's primary practice is Mount Sinai West in New York, New York, part of Mount Sinai Health System. Dr. Markoff is also affiliated with The Mount Sinai Hospital. The medical group on file is Mount Sinai Institute for Liver Medicine. Dmand AI also links Dr. Markoff to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Brian A. Markoff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Markoff practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mount Sinai West | Available with a free account |
| +1 more site and 1 medical group | 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 Mount Sinai Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Brian A. Markoff is one of 9,643 internists in New York
Internal medicine is Dr. Markoff's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Markoff is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Markoff
Counts of internists 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. Brian A. Markoff billed Medicare for 178 services in 2024
CMS data shows 178 Medicare services from Dr. Markoff across 4 procedure codes in 2024, for 88 Medicare patients. Medicare paid $16,402 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Markoff's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1392024: 17828%
Dr. Markoff compared with the New York median for internists, 2024
- Dr. Markoff
- New York median
- Medicare services
- 178vs 42658% below
- Medicare patients
- 88vs 15844% below
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Markoff'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. Markoff?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Markoff and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brian A. Markoff treated 88 Medicare patients in 2024, average age 78
CMS counts 88 Medicare patients who saw Dr. Markoff in 2024. The largest group is 65 to 74, with 31 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 63% are also on Medicaid. Their average risk score is 2.93, 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. Markoff's median patient age at 65, with 45% women.
Dr. Markoff's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Markoff's Medicare patients by sex, 2024
- Women3843%
- Men5057%
Chronic conditions among Dr. Markoff's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes55%
- Mood disorders53%
- Heart failure49%
- Ischemic heart disease49%
- Chronic kidney disease47%
- Arthritis44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Markoff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women45%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brian A. Markoff wrote 15 Medicare Part D claims in 2024
In 2024, Dr. Markoff wrote 15 Medicare Part D claims.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Brian A. Markoff takes part in Medicare
Dr. Markoff accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Brian A. Markoff has 3 publications on record
Dmand AI links 3 papers to Dr. Markoff, published from 2016 to 2023. The most frequent topics are Hospitalists. Dr. Markoff's most frequent co-authors are Kevin Michael Baumlin, MD, Omar Belfaqeeh, BAO, BCH, MB and Andy S. Jagoda, MD.
Topics Dr. Markoff writes about most
- Hospitalists
Dr. Markoff's most frequent co-authors
- Kevin Michael Baumlin, MD1 shared paper
- Omar Belfaqeeh, BAO, BCH, MB1 shared paper
- Andy S. Jagoda, MD1 shared paper
Recent publications by Dr. Markoff
Am J Infect Control
See who Dr. Markoff researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Markoff works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Brian A. Markoff received $1,138 in industry payments from 2016 to 2025
CMS Open Payments shows 47 general payments to Dr. Markoff from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $331.
General payments to Dr. Markoff by program year, 2016 to 2025
Companies that paid Dr. Markoff 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. Brian A. Markoff graduated from University of California, San Francisco School of Medicine
Dr. Markoff graduated from University of California, San Francisco School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Brian A. Markoff'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 (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) |
| 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. Brian A. Markoff
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. Brian A. Markoff's NPI number?
Dr. Brian A. Markoff's NPI number is 1083646111. It was assigned on July 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian A. Markoff?
Dr. Brian A. Markoff is an internist in New York, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Brian A. Markoff practice?
Dr. Markoff practices at 1000 Tenth Avenue, New York, NY 10019. Dr. Markoff's primary practice is Mount Sinai West in New York, New York, part of Mount Sinai Health System. Dmand AI also links Dr. Markoff to 1 medical group.
What is Dr. Brian A. Markoff's office phone number?
The practice phone on file for Dr. Markoff is (212) 523-4000.
What is Dr. Brian A. Markoff's medical license number?
Dr. Markoff holds New York license 225586.
Which hospitals is Dr. Brian A. Markoff affiliated with?
Dr. Markoff practices at Mount Sinai West in New York, New York. Dr. Markoff is also affiliated with The Mount Sinai Hospital.
What medical group is Dr. Brian A. Markoff part of?
Dr. Markoff is linked to Mount Sinai Institute for Liver Medicine. Dmand AI links Dr. Markoff to 1 more medical group.
Does Dr. Brian A. Markoff accept Medicare?
Yes. CMS data shows Dr. Markoff billed Medicare for 178 services in 2024, and Dr. Markoff accepts Medicare assignment.
How many Medicare patients does Dr. Brian A. Markoff see?
CMS counts 88 Medicare patients who saw Dr. Markoff in 2024, with an average age of 78.
What services does Dr. Brian A. Markoff bill to Medicare?
In 2024, Dr. Markoff's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99223).
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Where did Dr. Brian A. Markoff go to medical school?
Dr. Markoff graduated from University of California, San Francisco School of Medicine in 1994.
Has Dr. Brian A. Markoff received payments from drug or device companies?
CMS Open Payments shows $1,138 in general payments to Dr. Markoff from 8 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Brian A. Markoff been practicing?
Dr. Markoff graduated from medical school in 1994, 32 years ago.
Does Dr. Brian A. Markoff do research?
Dmand AI links 3 publications to Dr. Markoff, published from 2016 to 2023.
Who does Dr. Brian A. Markoff publish with?
Dr. Markoff's most frequent co-authors are Kevin Michael Baumlin, MD (1 shared paper), Omar Belfaqeeh, BAO, BCH, MB (1 shared paper) and Andy S. Jagoda, MD (1 shared paper).
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