Michael A. Postow

  • New York, NY
  • Internist
NPI1487853594PAC ID6507009362
Medicare services, 2024
701
Medicare patients, 2024
236
Part D claims, 2024
268
Publications
165
Clinical trials
2
Practice address
1275 York Avenue, New York, NY 10065
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Memorial Sloan Kettering Cancer Center

Hospital · New York, New York

See all 7 affiliations

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Michael A. Postow is an internist in New York, New York

Michael Postow practices at Memorial Sloan Kettering Cancer Center in New York, New York, part of Memorial Sloan Kettering Cancer Center.

Michael Postow's NPI, 1487853594, was assigned on July 18, 2007. Michael Postow graduated from New York University School of Medicine in 2007. Michael Postow's Massachusetts license number on file is 232384.

NPI and contact details
Medicare PAC ID
6507009362
NPI enumeration date
July 18, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
45
Medical school graduation
2007

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Michael A. Postow practices at Memorial Sloan Kettering Cancer Center in New York, New York

Michael Postow's primary practice is Memorial Sloan Kettering Cancer Center, at 1275 York Avenue, New York, NY 10065.

Source: Dmand AI Affiliation Data

Michael A. Postow is affiliated with 2 sites of care and 5 medical groups

Michael Postow's primary practice is Memorial Sloan Kettering Cancer Center in New York, New York, part of Memorial Sloan Kettering Cancer Center. Michael Postow is also affiliated with Brigham and Women's Hospital. The medical group on file is Memorial Sloan Kettering Cancer Center. Dmand AI also links Michael Postow to 4 more medical groups, each named with a free account.

See all 7 affiliations for Michael Postow

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Michael A. Postow's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Michael Postow practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Memorial Sloan Kettering Cancer CenterAvailable with a free account
+1 more site and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Michael A. Postow is one of 9,643 internists in New York

Internal medicine is Michael Postow's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Michael Postow is board certified in medical oncology by the American Board of Internal Medicine. Dmand AI has Michael Postow's licenses on file in 5 states: Massachusetts, Florida, New Jersey, New York and Connecticut.

Specialties and state licenses

  • Internal medicine, MassachusettsPrimaryLicense 232384 · 2009 to 2012 · taxonomy 207R00000X
  • Florida licenseSince 2021
  • New Jersey license2019 to 2027
  • New York license2010 to 2027
  • Connecticut license2023 to 2026

Clinical focus

Dmand AI lists colorectal cancer, lymphoma and prostate cancer among the conditions Michael Postow treats.

Internists near Michael Postow

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

Michael A. Postow billed Medicare for 701 services in 2024

CMS data shows 701 Medicare services from Michael Postow across 6 procedure codes in 2024, for 236 Medicare patients. Medicare paid $63,614 for them.

Medicare services, 2024701
Medicare patients236
Paid by Medicare$63,614
Procedure codes6

Michael Postow's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5832024: 70120%

Where Michael Postow's Medicare services took place, 2024

  • In an office62088%
  • In a facility8112%

Michael Postow compared with the New York median for internists, 2024

  • Michael Postow
  • New York median
Medicare services
701vs 42665% above
Medicare patients
236vs 15849% above
Part D claims
149vs 62276% below

Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.

Michael Postow'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

Michael A. Postow treated 236 Medicare patients in 2024, average age 75

CMS counts 236 Medicare patients who saw Michael Postow in 2024. The largest group is 75 to 84, with 100 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 2.55, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Michael Postow's median patient age at 73, with 37% women.

Medicare patients, 2024236
Average age75
Average risk score2.55
Also on Medicaid8%

Michael Postow's Medicare patients by age, 2024

Michael Postow's Medicare patients by sex, 2024

  • Women8235%
  • Men15465%

Chronic conditions among Michael Postow's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis42%
  4. Diabetes34%
  5. Ischemic heart disease33%
  6. Anxiety31%
  7. Cancer28%
  8. Mood disorders26%

Share of Medicare patients with each condition. A patient can have several.

Michael Postow's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women37%
  • Men62%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Michael A. Postow wrote 268 Medicare Part D claims in 2024

In 2024, Michael Postow wrote 268 Medicare Part D claims for 58 patients. 62% of them were for generic drugs. CMS names the drug for 149 of them, across 5 drugs with 11 or more claims each, at $772,803 in total drug cost. In 2023, CMS named 82 claims across 5 drugs.

Part D claims, 2024268
Drugs named by CMS5
Total drug cost$772,803
Part D patients58

Michael Postow's Part D claims by kind of drug, 2024

  • Generic166 claims62%
  • Brand-name102 claims38%

Michael Postow'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: 822024: 14982%

Drugs named by CMS: 5 in 2024, 5 in 2023.

See all prescribing by Michael Postow

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

Michael A. Postow scored 76 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 76 out of 100 for Michael Postow for performance year 2024, reported as part of a group. Michael Postow accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Michael Postow as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Michael Postow's MIPS scores, performance year 2024

  • 76of 100Final score
  • 60.6of 100Quality
  • 40of 100Improvement Activities
  • 74of 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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Michael A. Postow has 165 publications on record

Dmand AI links 165 papers to Michael Postow, published from 2012 to 2025. 2017 was the busiest year, with 17. The most frequent topics are Melanoma, Ipilimumab and Skin Neoplasms. Michael Postow has published most often in J Clin Oncol. Michael Postow's most frequent co-authors are Jedd D. Wolchok, MD, Alexander Noor Shoushtari, MD and Paul B. Chapman, MD.

Papers165
Years published2012 to 2025

Michael Postow's papers by year, 2016 to 2025

Topics Michael Postow writes about most

  • Melanoma
  • Ipilimumab
  • Skin Neoplasms
  • Immunotherapy
  • Antibodies, Monoclonal
  • Nivolumab
  • Immune Checkpoint Inhibitors
  • Antineoplastic Combined Chemotherapy Protocols

Michael Postow's most frequent co-authors

Recent publications by Michael Postow

See all 165 publications and co-authors

See who Michael Postow researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Michael Postow works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Michael A. Postow has worked on 2 clinical trials

Dmand AI links Michael Postow to 2 clinical trials, 2 of them phase 2 studies. 2 are still active or recruiting. Conditions studied include Melanoma and Nevi and Melanomas. Memorial Sloan Kettering Cancer Center sponsors the most, 2.

Conditions in Michael Postow's trials

  • Melanoma
  • Nevi and Melanomas

Investigators on the most trials with Michael Postow

Recent clinical trials with Michael Postow

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Michael A. Postow received $193,224 in industry payments from 2016 to 2025

CMS Open Payments shows 148 general payments to Michael Postow from 9 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 55% of the total. Bristol-Myers Squibb Company paid the most, $86,811. It also lists 4 research payments totaling $7,280 from 2021 to 2024.

General payments to Michael Postow by program year, 2016 to 2025

General payments to Michael Postow by kind, 2016 to 2025

$193.2Kin total
  • Consulting fees$106,38255%
  • Travel and lodging$47,11924%
  • Speaker and faculty fees$19,87510%
  • Education$11,2356%
  • Other$8,1144%

Companies that paid Michael Postow the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Michael Postow

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Michael A. Postow graduated from New York University School of Medicine

Michael Postow graduated from New York University School of Medicine in 2007.

  1. Medical schoolNew York University School of Medicine
  2. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Michael A. Postow accepts plans from 9 insurance carriers

Michael Postow is in network with 9 carriers, including Excellus BlueCross BlueShield, United Healthcare and HCSC. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.

  • Excellus BlueCross BlueShield
  • United Healthcare
  • HCSC
  • MVP Health Care
  • Aspirus Health Plan
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • Elevance
  • +1 more carriersWith a free account

Plan types Michael Postow accepts, by number of carriers

  1. PPO5
  2. Medicare4
  3. EPO3
  4. POS3
  5. HMO2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Michael A. Postow's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Michael A. Postow

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Michael A. Postow's NPI number?

Michael A. Postow's NPI number is 1487853594. It was assigned on July 18, 2007, and it is active in the NPI Registry.

What does Michael A. Postow specialize in?

Michael A. Postow is an internist in New York, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Michael A. Postow practice?

Michael Postow practices at 1275 York Avenue, New York, NY 10065. Michael Postow's primary practice is Memorial Sloan Kettering Cancer Center in New York, New York, part of Memorial Sloan Kettering Cancer Center. Dmand AI also links Michael Postow to 4 medical groups.

What is Michael A. Postow's medical license number?

Michael Postow's Massachusetts license number on file is 232384, one of the licenses on file in 5 states.

Which states has Michael A. Postow been licensed in?

Dmand AI has state licenses on file for Michael Postow in Massachusetts (2009 to 2012), Florida (since 2021), New Jersey (2019 to 2027), New York (2010 to 2027) and Connecticut (2023 to 2026).

Which hospitals is Michael A. Postow affiliated with?

Michael Postow practices at Memorial Sloan Kettering Cancer Center in New York, New York. Michael Postow is also affiliated with Brigham and Women's Hospital.

What medical group is Michael A. Postow part of?

Michael Postow is linked to Memorial Sloan Kettering Cancer Center. Dmand AI links Michael Postow to 4 more medical groups.

Does Michael A. Postow accept Medicare?

Yes. CMS data shows Michael Postow billed Medicare for 701 services in 2024, and Michael Postow accepts Medicare assignment.

Does Michael A. Postow offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Michael Postow as offering telehealth services.

What is Michael A. Postow's MIPS score?

Michael Postow's MIPS final score for performance year 2024 is 76 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Michael A. Postow see?

CMS counts 236 Medicare patients who saw Michael Postow in 2024, with an average age of 75.

Is Michael A. Postow board certified?

Yes. Michael Postow is board certified in medical oncology by the American Board of Internal Medicine.

What services does Michael A. Postow bill to Medicare?

In 2024, Michael Postow's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and hospital inpatient care (99233).

Where did Michael A. Postow go to medical school?

Michael Postow graduated from New York University School of Medicine in 2007.

What drugs does Michael A. Postow prescribe most?

In 2024 Medicare Part D data, Michael Postow's most prescribed drugs by claims were Prednisone, Mektovi and Braftovi.

Has Michael A. Postow received payments from drug or device companies?

CMS Open Payments shows $193,224 in general payments to Michael Postow from 9 companies from 2016 to 2025. The largest total came from Bristol-Myers Squibb Company.

How long has Michael A. Postow been practicing?

Michael Postow graduated from medical school in 2007, 19 years ago.

Does Michael A. Postow do research?

Dmand AI links 165 publications to Michael Postow, published from 2012 to 2025. Michael Postow has worked on 2 clinical trials.

Who does Michael A. Postow publish with?

Michael Postow's most frequent co-authors are Jedd D. Wolchok, MD (48 shared papers), Alexander Noor Shoushtari, MD (27 shared papers) and Paul B. Chapman, MD (18 shared papers).

What insurance does Michael A. Postow accept?

Michael Postow is in network with 9 carriers, including Excellus BlueCross BlueShield, United Healthcare and HCSC. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.

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