Dr. Ann A. Jakubowski, MD

  • New York, NY
  • Hematology (internal medicine) physician
NPI1467555342PAC ID4385737345
Medicare services, 2024
404
Medicare patients, 2024
78
Part D claims, 2024
386
Publications
226
Clinical trials
4
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

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Dr. Ann A. Jakubowski is a hematology (internal medicine) physician in New York, New York

Dr. Jakubowski practices at Memorial Sloan Kettering Cancer Center in New York, New York, part of Memorial Sloan Kettering Cancer Center.

Dr. Jakubowski's NPI, 1467555342, was assigned on September 6, 2006. Dr. Jakubowski graduated from Uconn School Of Medicine in 1981. Dr. Jakubowski holds New York license 151794.

NPI and contact details
Medicare PAC ID
4385737345
NPI enumeration date
September 6, 2006
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
Female
Estimated age
71
Medical school graduation
1981

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

Dr. Ann A. Jakubowski practices at Memorial Sloan Kettering Cancer Center in New York, New York

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

Source: Dmand AI Affiliation Data

Dr. Ann A. Jakubowski is affiliated with 2 sites of care and 1 medical group

Dr. Jakubowski's primary practice is Memorial Sloan Kettering Cancer Center in New York, New York, part of Memorial Sloan Kettering Cancer Center. The medical group on file is Memorial Sloan Kettering Cancer Center. Dmand AI also links Dr. Jakubowski to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Jakubowski

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

Dmand AI tracks the EHR system at Dr. Ann A. Jakubowski's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Jakubowski 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 affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ann A. Jakubowski is one of 139 hematology (internal medicine) physicians in New York

Internal medicine is Dr. Jakubowski's primary specialty in the NPI Registry, under taxonomy code 207RH0000X. The record also lists hematology. Dr. Jakubowski is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Jakubowski's licenses on file in 4 states: New York, Florida, New Jersey and Connecticut.

Specialties and state licenses

  • Hematology (internal medicine), New YorkPrimaryLicense 151794 · 1982 to 2026 · taxonomy 207RH0000X
  • Florida licenseSince 2021
  • New Jersey license2018 to 2027
  • Connecticut license2023 to 2025

Clinical focus

Dmand AI lists chronic anemia, chronic leukemia and multiple myeloma among the conditions Dr. Jakubowski treats.

Hematology (internal medicine) physicians near Dr. Jakubowski

Counts of hematology (internal medicine) physicians 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. Ann A. Jakubowski billed Medicare for 404 services in 2024

CMS data shows 404 Medicare services from Dr. Jakubowski across 3 procedure codes in 2024, for 78 Medicare patients. Medicare paid $42,675 for them.

Medicare services, 2024404
Medicare patients78
Paid by Medicare$42,675
Procedure codes3

Dr. Jakubowski's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4092024: 4041%
Other services
2023: 362024: 0100%

Where Dr. Jakubowski's Medicare services took place, 2024

  • In an office27568%
  • In a facility12932%

Dr. Jakubowski compared with the New York median for hematology (internal medicine) physicians, 2024

  • Dr. Jakubowski
  • New York median
Medicare services
404vs 29836% above
Medicare patients
78vs 13140% below
Part D claims
262vs 1302.0 times

Medians across 121 hematology (internal medicine) physicians in New York with Dmand AI profiles that report each measure.

Dr. Jakubowski'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.

See all procedures by Dr. Jakubowski

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Jakubowski and other hematology (internal medicine) physicians in New York.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Ann A. Jakubowski treated 78 Medicare patients in 2024, average age 70

CMS counts 78 Medicare patients who saw Dr. Jakubowski in 2024. The largest group is 65 to 74, with 46 patients. 75% of them have high blood pressure, and 74% have high cholesterol. Their average risk score is 3.03, 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. Jakubowski's median patient age at 67, with 46% women.

Medicare patients, 202478
Average age70
Average risk score3.03

Dr. Jakubowski's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Jakubowski's Medicare patients by sex, 2024

  • Women3444%
  • Men4456%

Chronic conditions among Dr. Jakubowski's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol74%
  3. Anxiety45%
  4. Chronic kidney disease40%
  5. Mood disorders35%
  6. Arthritis33%
  7. Ischemic heart disease32%
  8. Cancer27%

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

Dr. Jakubowski's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women46%
  • Men52%

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

Dr. Ann A. Jakubowski wrote 386 Medicare Part D claims in 2024

In 2024, Dr. Jakubowski wrote 386 Medicare Part D claims for 51 patients. 81% of them were for generic drugs. CMS names the drug for 262 of them, across 10 drugs with 11 or more claims each, at $216,842 in total drug cost. In 2023, CMS named 149 claims across 4 drugs.

Part D claims, 2024386
Drugs named by CMS10
Total drug cost$216,842
Part D patients51

Dr. Jakubowski's Part D claims by kind of drug, 2024

  • Generic311 claims81%
  • Brand-name and other75 claims19%

Dr. Jakubowski'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. Jakubowski's Part D claims, 2024

  • Antibiotics11%44 of 386 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: 1492024: 26276%

Drugs named by CMS: 10 in 2024, 4 in 2023.

See all prescribing by Dr. Jakubowski

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. Ann A. Jakubowski scored 83 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Jakubowski for performance year 2024, reported as part of a group. Dr. Jakubowski accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Jakubowski as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Jakubowski's MIPS scores, performance year 2024

  • 83of 100Final score
  • 80.3of 100Quality
  • 40of 100Improvement Activities
  • 62of 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. Ann A. Jakubowski has 226 publications on record

Dmand AI links 226 papers to Dr. Jakubowski, published from 2002 to 2024. 2017 was the busiest year, with 20. The most frequent topics are Hematopoietic Stem Cell Transplantation, Transplantation, Homologous and Transplantation Conditioning. Dr. Jakubowski has published most often in Biol Blood Marrow Transplant. Dr. Jakubowski's most frequent co-authors are Sergio A. Giralt, MD, Esperanza Papadopoulos, MD and Miguel A. Perales, MD.

Papers226
Years published2002 to 2024

Dr. Jakubowski's papers by year, 2015 to 2024

Topics Dr. Jakubowski writes about most

  • Hematopoietic Stem Cell Transplantation
  • Transplantation, Homologous
  • Transplantation Conditioning
  • Graft vs Host Disease
  • Hematologic Neoplasms
  • Lymphocyte Depletion
  • T-Lymphocytes
  • Leukemia, Myeloid, Acute

Dr. Jakubowski's most frequent co-authors

Recent publications by Dr. Jakubowski

See all 226 publications and co-authors

See who Dr. Jakubowski researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Jakubowski works with, so you can find a warm path to the right hematology (internal medicine) physicians.

How network discovery works

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

Dr. Ann A. Jakubowski has worked on 4 clinical trials

Dmand AI links Dr. Jakubowski to 4 clinical trials, 2 of them phase 2 studies. Conditions studied include Blast Crisis, Hemoglobinuria, Paroxysmal and Renal Insufficiency. Memorial Sloan Kettering Cancer Center sponsors the most, 3.

Conditions in Dr. Jakubowski's trials

  • Blast Crisis
  • Hemoglobinuria, Paroxysmal
  • Renal Insufficiency
  • Anemia, Hemolytic
  • Cell Transformation, Neoplastic

Investigators on the most trials with Dr. Jakubowski

Recent clinical trials with Dr. Jakubowski

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

Dr. Ann A. Jakubowski received $122,969 in industry payments from 2016 to 2025

CMS Open Payments shows 28 general payments to Dr. Jakubowski from 5 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 98% of the total. National Marrow Donor Program paid the most, $122,481.

General payments to Dr. Jakubowski by program year, 2016 to 2025

General payments to Dr. Jakubowski by kind, 2016 to 2025

$123Kin total
  • Consulting fees$120,70098%
  • Travel and lodging$1,6361%
  • Food and beverage$6331%

Companies that paid Dr. Jakubowski the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Jakubowski

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

Dr. Ann A. Jakubowski has 1 award and honors on record

Dmand AI lists 1 award for Dr. Jakubowski, most recently Top Doctors: New York Metro Area in 2014.

Awards and honors for Dr. Jakubowski

  1. 2014
    • Top Doctors: New York Metro Area

Source: Dmand AI Professional Profile Data

Dr. Ann A. Jakubowski graduated from Uconn School Of Medicine

Dr. Jakubowski graduated from Uconn School Of Medicine in 1981.

  1. Medical schoolUconn School Of Medicine
  2. Board certified in hematologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine
  4. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Ann A. Jakubowski accepts plans from 12 insurance carriers

Dr. Jakubowski is in network with 12 carriers, including Aetna, Excellus BlueCross BlueShield and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Excellus BlueCross BlueShield
  • Elevance
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • MVP Health Care
  • +4 more carriersWith a free account

Plan types Dr. Jakubowski accepts, by number of carriers

  1. PPO8
  2. Medicare6
  3. POS6
  4. EPO5
  5. HMO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Ann A. Jakubowski'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)
Awards and committee rolesDmand AI Professional Profile Data
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 Dr. Ann A. Jakubowski

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. Ann A. Jakubowski's NPI number?

Dr. Ann A. Jakubowski's NPI number is 1467555342. It was assigned on September 6, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Ann A. Jakubowski?

Dr. Ann A. Jakubowski is a hematology (internal medicine) physician in New York, New York. The primary specialty in the NPI Registry is Hematology (Internal Medicine) Physician (taxonomy code 207RH0000X).

Where does Dr. Ann A. Jakubowski practice?

Dr. Jakubowski practices at 1275 York Avenue, New York, NY 10065. Dr. Jakubowski'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 Dr. Jakubowski to 1 group practice or clinic.

What is Dr. Ann A. Jakubowski's medical license number?

Dr. Jakubowski holds New York license 151794, one of the licenses on file in 4 states.

Which states has Dr. Ann A. Jakubowski been licensed in?

Dmand AI has state licenses on file for Dr. Jakubowski in New York (1982 to 2026), Florida (since 2021), New Jersey (2018 to 2027) and Connecticut (2023 to 2025).

Which hospitals is Dr. Ann A. Jakubowski affiliated with?

Dr. Jakubowski practices at Memorial Sloan Kettering Cancer Center in New York, New York.

What medical group is Dr. Ann A. Jakubowski part of?

Dr. Jakubowski is linked to Memorial Sloan Kettering Cancer Center.

Does Dr. Ann A. Jakubowski accept Medicare?

Yes. CMS data shows Dr. Jakubowski billed Medicare for 404 services in 2024, and Dr. Jakubowski accepts Medicare assignment.

Does Dr. Ann A. Jakubowski offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Jakubowski as offering telehealth services.

What is Dr. Ann A. Jakubowski's MIPS score?

Dr. Jakubowski's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Ann A. Jakubowski see?

CMS counts 78 Medicare patients who saw Dr. Jakubowski in 2024, with an average age of 70.

Is Dr. Ann A. Jakubowski board certified?

Yes. Dr. Jakubowski is board certified in hematology by the American Board of Internal Medicine.

What services does Dr. Ann A. Jakubowski bill to Medicare?

In 2024, Dr. Jakubowski's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and hospital inpatient care (99233).

Where did Dr. Ann A. Jakubowski go to medical school?

Dr. Jakubowski graduated from Uconn School Of Medicine in 1981.

What drugs does Dr. Ann A. Jakubowski prescribe most?

In 2024 Medicare Part D data, Dr. Jakubowski's most prescribed drugs by claims were Acyclovir, Sulfamethoxazole-Trimethoprim and Tacrolimus.

Has Dr. Ann A. Jakubowski received payments from drug or device companies?

CMS Open Payments shows $122,969 in general payments to Dr. Jakubowski from 5 companies from 2016 to 2025. The largest total came from National Marrow Donor Program.

How long has Dr. Ann A. Jakubowski been practicing?

Dr. Jakubowski graduated from medical school in 1981, 45 years ago.

Does Dr. Ann A. Jakubowski do research?

Dmand AI links 226 publications to Dr. Jakubowski, published from 2002 to 2024. Dr. Jakubowski has worked on 4 clinical trials.

Who does Dr. Ann A. Jakubowski publish with?

Dr. Jakubowski's most frequent co-authors are Sergio A. Giralt, MD (114 shared papers), Esperanza Papadopoulos, MD (104 shared papers) and Miguel A. Perales, MD (85 shared papers).

What insurance does Dr. Ann A. Jakubowski accept?

Dr. Jakubowski is in network with 12 carriers, including Aetna, Excellus BlueCross BlueShield and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

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