Priscilla Merriam

  • Boston, MA
  • Hematologist and oncologist
NPI1407072838PAC ID8921235581
Medicare services, 2024
384
Medicare patients, 2024
182
Part D claims, 2024
89
Publications
15
Clinical trials
3
Practice address
450 Brookline Avenue, Boston, MA 02115
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Dana-Farber Cancer Institute

Hospital · Boston, Massachusetts

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Priscilla Merriam is a hematologist and oncologist in Boston, Massachusetts

Priscilla Merriam practices at Dana-Farber Cancer Institute in Boston, Massachusetts, part of Dana-Farber Cancer Institute.

Priscilla Merriam's NPI, 1407072838, was assigned on April 17, 2007. Priscilla Merriam graduated from Jefferson Medical College of Thomas Jefferson University in 2006. Priscilla Merriam holds Massachusetts license 254182.

NPI and contact details
Medicare PAC ID
8921235581
NPI enumeration date
April 17, 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
Female
Estimated age
46
Medical school graduation
2006

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

Priscilla Merriam practices at Dana-Farber Cancer Institute in Boston, Massachusetts

Priscilla Merriam's primary practice is Dana-Farber Cancer Institute, at 450 Brookline Avenue, Boston, MA 02115.

Source: Dmand AI Affiliation Data

Priscilla Merriam is affiliated with 4 sites of care and 2 medical groups

Priscilla Merriam's primary practice is Dana-Farber Cancer Institute in Boston, Massachusetts, part of Dana-Farber Cancer Institute. Priscilla Merriam is also affiliated with Massachusetts General Hospital. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Priscilla Merriam to 2 more hospitals and 1 medical group, each named with a free account.

See all 6 affiliations for Priscilla Merriam

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

Dmand AI tracks the EHR system at Priscilla Merriam's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Priscilla Merriam practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dana-Farber Cancer InstituteAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Dana-Farber Cancer Institute and 6.2K+ hospitals, with verified contacts in the same login.

Priscilla Merriam is one of 429 hematologists and oncologists in Massachusetts

Hematology and oncology is Priscilla Merriam's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dmand AI has Priscilla Merriam's licenses on file in 2 states: Massachusetts and Rhode Island.

Specialties and state licenses

  • Hematology and oncology, MassachusettsPrimaryLicense 254182 · taxonomy 207RH0003X
  • Rhode Island licenseLicense MD13201

Hematologists and oncologists near Priscilla Merriam

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

Priscilla Merriam billed Medicare for 384 services in 2024

CMS data shows 384 Medicare services from Priscilla Merriam across 7 procedure codes in 2024, for 182 Medicare patients. Medicare paid $36,081 for them.

Medicare services, 2024384
Medicare patients182
Paid by Medicare$36,081
Procedure codes7

Priscilla Merriam's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3982024: 3844%

Where Priscilla Merriam's Medicare services took place, 2024

  • In an office4311%
  • In a facility34189%

Priscilla Merriam compared with the Massachusetts median for hematologists and oncologists, 2024

  • Priscilla Merriam
  • Massachusetts median
Medicare services
384vs 49522% below
Medicare patients
182vs 2009% below
Part D claims
16vs 15189% below

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

Priscilla Merriam'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 Priscilla Merriam

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

Priscilla Merriam treated 182 Medicare patients in 2024, average age 71

CMS counts 182 Medicare patients who saw Priscilla Merriam in 2024. The largest group is 65 to 74, with 84 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 22% are also on Medicaid. Their average risk score is 2.37, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Priscilla Merriam's median patient age at 66, with 57% women.

Medicare patients, 2024182
Average age71
Average risk score2.37
Also on Medicaid22%

Priscilla Merriam's Medicare patients by age, 2024

Priscilla Merriam's Medicare patients by sex, 2024

  • Women9452%
  • Men8848%

Chronic conditions among Priscilla Merriam's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol71%
  3. Cancer46%
  4. Arthritis41%
  5. Anxiety40%
  6. Mood disorders36%
  7. Depression33%
  8. Ischemic heart disease32%

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

Priscilla Merriam's patients across all payers

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

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women57%
  • Men42%

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

Priscilla Merriam wrote 89 Medicare Part D claims in 2024

In 2024, Priscilla Merriam wrote 89 Medicare Part D claims for 37 patients. 73% of them were for generic drugs. CMS names the drug for 16 of them, across 1 drug with 11 or more claims each, at $22,084 in total drug cost. In 2023, CMS named 51 claims across 2 drugs.

Part D claims, 202489
Drugs named by CMS1
Total drug cost$22,084
Part D patients37

Priscilla Merriam's Part D claims by kind of drug, 2024

  • Generic65 claims73%
  • Brand-name24 claims27%

Priscilla Merriam'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: 512024: 1669%

Drugs named by CMS: 1 in 2024, 2 in 2023.

See all prescribing by Priscilla Merriam

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

Priscilla Merriam 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 Priscilla Merriam for performance year 2024, reported as part of a group. Priscilla Merriam accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Priscilla Merriam as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Priscilla Merriam'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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Priscilla Merriam has 15 publications on record

Dmand AI links 15 papers to Priscilla Merriam, published from 2011 to 2025. 2013 was the busiest year, with 2. The most frequent topics are Antineoplastic Combined Chemotherapy Protocols, Leiomyosarcoma and Sarcoma. Priscilla Merriam has published most often in Clin Cancer Res. Priscilla Merriam's most frequent co-authors are Edwin Choy, MD, PhD, George D. Demetri, MD and Gregory M. Cote, MD, PhD.

Papers15
Years published2011 to 2025

Priscilla Merriam's papers by year, 2011 to 2025

Topics Priscilla Merriam writes about most

  • Antineoplastic Combined Chemotherapy Protocols
  • Leiomyosarcoma
  • Sarcoma
  • Antibodies, Monoclonal, Humanized
  • Carbolines
  • Doxorubicin
  • Hemangioendothelioma, Epithelioid
  • Hemangiosarcoma

Priscilla Merriam's most frequent co-authors

Recent publications by Priscilla Merriam

See all 15 publications and co-authors

See who Priscilla Merriam researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Priscilla Merriam 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

Priscilla Merriam has worked on 3 clinical trials

Dmand AI links Priscilla Merriam to 3 clinical trials, 2 of them phase 2 studies. 2 are still active or recruiting. Conditions studied include Dermatofibrosarcoma, Sarcoma, Alveolar Soft Part and Sarcoma, Clear Cell. National Cancer Institute (NCI) sponsors the most, 3.

Clinical trials with Priscilla Merriam by phase

  1. NonePhase 1: no trials
  2. 1Phase 1/2: 1 trial
  3. 2Phase 2: 2 trials
  4. NonePhase 3: no trials
  5. NonePhase 4: no trials

Conditions in Priscilla Merriam's trials

  • Dermatofibrosarcoma
  • Sarcoma, Alveolar Soft Part
  • Sarcoma, Clear Cell
  • Histiocytoma
  • Neoplasms, Connective Tissue

Investigators on the most trials with Priscilla Merriam

Recent clinical trials with Priscilla Merriam

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

Priscilla Merriam received $311 in industry payments from 2017 to 2024

CMS Open Payments shows 5 general payments to Priscilla Merriam from 3 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Aadi Bioscience, Inc. paid the most, $146.

General payments to Priscilla Merriam by program year, 2017 to 2024

Companies that paid Priscilla Merriam the most, 2017 to 2024

Share is of all general payments to this clinician.

See all payments to Priscilla Merriam

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

Priscilla Merriam graduated from Jefferson Medical College of Thomas Jefferson University

Priscilla Merriam graduated from Jefferson Medical College of Thomas Jefferson University in 2006.

  1. Medical schoolJefferson Medical College of Thomas Jefferson University

Source: Dmand AI Professional Profile Data

Sources for Priscilla Merriam'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 Priscilla Merriam

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

What is Priscilla Merriam's NPI number?

Priscilla Merriam's NPI number is 1407072838. It was assigned on April 17, 2007, and it is active in the NPI Registry.

What does Priscilla Merriam specialize in?

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

Where does Priscilla Merriam practice?

Priscilla Merriam practices at 450 Brookline Avenue, Boston, MA 02115. Priscilla Merriam's primary practice is Dana-Farber Cancer Institute in Boston, Massachusetts, part of Dana-Farber Cancer Institute. Dmand AI also links Priscilla Merriam to 2 hospitals and 1 medical group.

What is Priscilla Merriam's medical license number?

Priscilla Merriam holds Massachusetts license 254182, one of the licenses on file in 2 states.

Which states has Priscilla Merriam been licensed in?

Dmand AI has state licenses on file for Priscilla Merriam in Massachusetts and Rhode Island.

Which hospitals is Priscilla Merriam affiliated with?

Priscilla Merriam practices at Dana-Farber Cancer Institute in Boston, Massachusetts. Priscilla Merriam is also affiliated with Massachusetts General Hospital. Dmand AI links Priscilla Merriam to 2 more hospitals.

What medical group is Priscilla Merriam part of?

Priscilla Merriam is linked to Brigham and Women's Hospital. Dmand AI links Priscilla Merriam to 1 more medical group.

Does Priscilla Merriam accept Medicare?

Yes. CMS data shows Priscilla Merriam billed Medicare for 384 services in 2024, and Priscilla Merriam accepts Medicare assignment.

Does Priscilla Merriam offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Priscilla Merriam as offering telehealth services.

What is Priscilla Merriam's MIPS score?

Priscilla Merriam's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Priscilla Merriam see?

CMS counts 182 Medicare patients who saw Priscilla Merriam in 2024, with an average age of 71.

What services does Priscilla Merriam bill to Medicare?

In 2024, Priscilla Merriam's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and hospital inpatient care (99232).

Where did Priscilla Merriam go to medical school?

Priscilla Merriam graduated from Jefferson Medical College of Thomas Jefferson University in 2006.

What drugs does Priscilla Merriam prescribe most?

In 2024 Medicare Part D data, Priscilla Merriam's most prescribed drugs by claims were Imatinib Mesylate.

Has Priscilla Merriam received payments from drug or device companies?

CMS Open Payments shows $311 in general payments to Priscilla Merriam from 3 companies from 2017 to 2024. The largest total came from Aadi Bioscience, Inc.

How long has Priscilla Merriam been practicing?

Priscilla Merriam graduated from medical school in 2006, 20 years ago.

Does Priscilla Merriam do research?

Dmand AI links 15 publications to Priscilla Merriam, published from 2011 to 2025. Priscilla Merriam has worked on 3 clinical trials.

Who does Priscilla Merriam publish with?

Priscilla Merriam's most frequent co-authors are Edwin Choy, MD, PhD (5 shared papers), George D. Demetri, MD (5 shared papers) and Gregory M. Cote, MD, PhD (3 shared papers).

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