Dr. Sarah Nikiforow, MD, PhD

  • Boston, MA
  • Hematologist and oncologist
NPI1851508048PAC ID4385716240
Medicare services, 2023
46
Medicare patients, 2024
16
Part D claims, 2024
167
Publications
115
Clinical trials
1
Practice address
75 Francis Street, Boston, MA 02115
Practice phone
Call (617) 732-5500
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Brigham and Women's Hospital

Hospital · Boston, Massachusetts

See all 4 affiliations

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Dr. Sarah Nikiforow is a hematologist and oncologist in Boston, Massachusetts

Dr. Nikiforow practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.

Dr. Nikiforow's NPI, 1851508048, was assigned on May 17, 2007. Dr. Nikiforow graduated from Yale University School of Medicine in 2005. Dr. Nikiforow holds Massachusetts license 243632.

NPI and contact details
Medicare PAC ID
4385716240
NPI enumeration date
May 17, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(617) 732-5500
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
47
Medical school graduation
2005

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

Dr. Sarah Nikiforow practices at Brigham and Women's Hospital in Boston, Massachusetts

Dr. Nikiforow's primary practice is Brigham and Women's Hospital, at 75 Francis Street, Boston, MA 02115 in Suffolk County. The practice phone is (617) 732-5500.

Source: Dmand AI Affiliation Data

Dr. Sarah Nikiforow is affiliated with 3 sites of care and 1 medical group

Dr. Nikiforow's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Nikiforow is also affiliated with Dana-Farber Cancer Institute. The medical group on file is Binney Medical Group. Dmand AI also links Dr. Nikiforow to 1 more hospital outpatient department, named with a free account.

See all 4 affiliations for Dr. Nikiforow

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

Dmand AI tracks the EHR system at Dr. Sarah Nikiforow's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nikiforow practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Brigham and Women's HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Sarah Nikiforow is one of 429 hematologists and oncologists in Massachusetts

Hematology and oncology is Dr. Nikiforow's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Nikiforow is licensed in Massachusetts.

Specialties and state licenses

  • Hematology and oncology, MassachusettsPrimaryLicense 243632 · taxonomy 207RH0003X

Hematologists and oncologists near Dr. Nikiforow

Counts of hematologists and oncologists 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. Sarah Nikiforow billed Medicare for 46 services in 2023

CMS data shows 46 Medicare services from Dr. Nikiforow across 1 procedure code in 2023, all of them office visits, for 16 Medicare patients. Medicare paid $2,509 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202346
Medicare patients16
Paid by Medicare$2,509
Procedure codes1

Dr. Nikiforow's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Office and hospital visits
2022: 332023: 4639%

Dr. Nikiforow compared with the Massachusetts median for hematologists and oncologists, 2023

  • Dr. Nikiforow
  • Massachusetts median
Medicare services
46vs 49591% below
Medicare patients
16vs 20092% below
Part D claims
33vs 15178% below

Medians across 415 hematologists and oncologists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Nikiforow's most billed Medicare procedure codes, 2023

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. Nikiforow

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

Dr. Sarah Nikiforow treated 16 Medicare patients in 2024, average age 69

CMS counts 16 Medicare patients who saw Dr. Nikiforow in 2024. The largest group is 85 and over, with 0 patients. 75% of them have high blood pressure, and 69% have chronic kidney disease. Their average risk score is 4.33, 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. Nikiforow's median patient age at 63, with 43% women.

Medicare patients, 202416
Average age69
Average risk score4.33

Dr. Nikiforow's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

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

  1. High blood pressure75%
  2. Chronic kidney disease69%
  3. Diabetes69%
  4. High cholesterol69%

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

Dr. Nikiforow's patients across all payers

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

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women43%
  • Men55%

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

Dr. Sarah Nikiforow wrote 167 Medicare Part D claims in 2024

In 2024, Dr. Nikiforow wrote 167 Medicare Part D claims for 11 patients. 78% of them were for generic drugs. CMS names the drug for 33 of them, across 2 drugs with 11 or more claims each, at $306,369 in total drug cost. In 2023, CMS named 56 claims across 4 drugs.

Part D claims, 2024167
Drugs named by CMS2
Total drug cost$306,369
Part D patients11

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

  • Generic131 claims78%
  • Brand-name36 claims22%

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

  • Antibiotics7%12 of 167 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: 562024: 3341%

Drugs named by CMS: 2 in 2024, 4 in 2023.

See all prescribing by Dr. Nikiforow

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. Sarah Nikiforow 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. Nikiforow for performance year 2024, reported as part of a group. Dr. Nikiforow accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Nikiforow's MIPS scores, performance year 2024

  • 84of 100Final score
  • 65of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 69of 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. Sarah Nikiforow has 115 publications on record

Dmand AI links 115 papers to Dr. Nikiforow, published from 2011 to 2025. 2020 was the busiest year, with 9. The most frequent topics are Hematopoietic Stem Cell Transplantation, Graft vs Host Disease and Immunotherapy, Adoptive. Dr. Nikiforow has published most often in Blood Adv. Dr. Nikiforow's most frequent co-authors are Robert J. Soiffer, MD, Joseph Harry Antin, MD and Vincent Trien-Vinh Ho, MD.

Papers115
Years published2011 to 2025

Dr. Nikiforow's papers by year, 2016 to 2025

Topics Dr. Nikiforow writes about most

  • Hematopoietic Stem Cell Transplantation
  • Graft vs Host Disease
  • Immunotherapy, Adoptive
  • Transplantation, Homologous
  • Receptors, Chimeric Antigen
  • Transplantation Conditioning
  • T-Lymphocytes
  • Hematologic Neoplasms

Dr. Nikiforow's most frequent co-authors

Recent publications by Dr. Nikiforow

See all 115 publications and co-authors

See who Dr. Nikiforow researches with

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

How network discovery works

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

Dr. Sarah Nikiforow has worked on 1 clinical trial

Dmand AI links Dr. Nikiforow to 1 clinical trial. Conditions studied include Lymphohistiocytosis, Hemophagocytic and Histiocytosis, Non-Langerhans-Cell.

Conditions in Dr. Nikiforow's trials

  • Lymphohistiocytosis, Hemophagocytic
  • Histiocytosis, Non-Langerhans-Cell

Recent clinical trials with Dr. Nikiforow

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

Dr. Sarah Nikiforow received $66,775 in industry payments from 2018 to 2025

CMS Open Payments shows 82 general payments to Dr. Nikiforow from 10 drug and device companies from 2018 to 2025. Consulting fees make up the largest share, 86% of the total. Sobi, Inc paid the most, $25,065. It also lists 2 research payments totaling $607 from 2022 to 2023.

General payments to Dr. Nikiforow by program year, 2018 to 2025

General payments to Dr. Nikiforow by kind, 2018 to 2025

$66.8Kin total
  • Consulting fees$57,28686%
  • Travel and lodging$4,8657%
  • Food and beverage$3,1245%
  • Honoraria$1,5002%

Companies that paid Dr. Nikiforow the most, 2018 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Nikiforow

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

Dr. Sarah Nikiforow graduated from Yale University School of Medicine

Dr. Nikiforow graduated from Yale University School of Medicine in 2005.

  1. Medical schoolYale University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Sarah Nikiforow'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
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. Sarah Nikiforow

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. Sarah Nikiforow's NPI number?

Dr. Sarah Nikiforow's NPI number is 1851508048. It was assigned on May 17, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Sarah Nikiforow?

Dr. Sarah Nikiforow is a hematologist and oncologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Sarah Nikiforow practice?

Dr. Nikiforow practices at 75 Francis Street, Boston, MA 02115. Dr. Nikiforow's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Nikiforow to 1 hospital outpatient department.

What is Dr. Sarah Nikiforow's office phone number?

The practice phone on file for Dr. Nikiforow is (617) 732-5500.

What is Dr. Sarah Nikiforow's medical license number?

Dr. Nikiforow holds Massachusetts license 243632.

Which hospitals is Dr. Sarah Nikiforow affiliated with?

Dr. Nikiforow practices at Brigham and Women's Hospital in Boston, Massachusetts. Dr. Nikiforow is also affiliated with Dana-Farber Cancer Institute.

What medical group is Dr. Sarah Nikiforow part of?

Dr. Nikiforow is linked to Binney Medical Group.

Does Dr. Sarah Nikiforow accept Medicare?

Yes. CMS data shows Dr. Nikiforow billed Medicare for 46 services in 2023, and Dr. Nikiforow accepts Medicare assignment.

What is Dr. Sarah Nikiforow's MIPS score?

Dr. Nikiforow'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. Sarah Nikiforow see?

CMS counts 16 Medicare patients who saw Dr. Nikiforow in 2024, with an average age of 69.

Show 7 more questionsShow fewer questions

What services does Dr. Sarah Nikiforow bill to Medicare?

In 2023, Dr. Nikiforow's most billed Medicare services were office visit, established patient (99213).

Where did Dr. Sarah Nikiforow go to medical school?

Dr. Nikiforow graduated from Yale University School of Medicine in 2005.

What drugs does Dr. Sarah Nikiforow prescribe most?

In 2024 Medicare Part D data, Dr. Nikiforow's most prescribed drugs by claims were Acyclovir and Jakafi.

Has Dr. Sarah Nikiforow received payments from drug or device companies?

CMS Open Payments shows $66,775 in general payments to Dr. Nikiforow from 10 companies from 2018 to 2025. The largest total came from Sobi, Inc.

How long has Dr. Sarah Nikiforow been practicing?

Dr. Nikiforow graduated from medical school in 2005, 21 years ago.

Does Dr. Sarah Nikiforow do research?

Dmand AI links 115 publications to Dr. Nikiforow, published from 2011 to 2025. Dr. Nikiforow has worked on 1 clinical trial.

Who does Dr. Sarah Nikiforow publish with?

Dr. Nikiforow's most frequent co-authors are Robert J. Soiffer, MD (62 shared papers), Joseph Harry Antin, MD (60 shared papers) and Vincent Trien-Vinh Ho, MD (59 shared papers).

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