Dr. Sonia M. Seng, MD

  • Fall River, MA
  • Hematologist and oncologist
NPI1366629719PAC ID7416129655
Medicare services, 2024
1,742
Medicare patients, 2024
504
Part D claims, 2024
1,067
Publications
5
Clinical trials
5
Practice address
363 Highland Avenue, Fall River, MA 02720
Practice phone
Call (508) 679-3131
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Charlton Memorial Hospital

Hospital · Fall River, Massachusetts

See all 4 affiliations

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Dr. Sonia M. Seng is a hematologist and oncologist in Fall River, Massachusetts

Dr. Seng practices at Charlton Memorial Hospital in Fall River, Massachusetts, part of Southcoast Health System.

Dr. Seng's NPI, 1366629719, was assigned on January 29, 2008. Dr. Seng graduated from Albany Medical College of Union University in 2004. Dr. Seng holds Massachusetts license 249382.

NPI and contact details
Medicare PAC ID
7416129655
NPI enumeration date
January 29, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(508) 679-3131
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
48
Medical school graduation
2004

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

Dr. Sonia M. Seng practices at Charlton Memorial Hospital in Fall River, Massachusetts

Dr. Seng's primary practice is Charlton Memorial Hospital, at 363 Highland Avenue, Fall River, MA 02720 in Bristol County. The practice phone is (508) 679-3131.

Source: Dmand AI Affiliation Data

Dr. Sonia M. Seng is affiliated with 3 sites of care and 1 medical group

Dr. Seng's primary practice is Charlton Memorial Hospital in Fall River, Massachusetts, part of Southcoast Health System. Dr. Seng is also affiliated with Saint Anne's Hospital. The medical group on file is Southcoast Health. Dmand AI also links Dr. Seng to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Seng

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

Dmand AI tracks the EHR system at Dr. Sonia M. Seng's practice

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

EHR by site
SiteEHR vendor and product
Charlton Memorial HospitalAvailable with a free account
+2 more affiliated sitesAvailable 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 Southcoast Health System and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Sonia M. Seng is one of 429 hematologists and oncologists in Massachusetts

Hematology and oncology is Dr. Seng's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dmand AI has Dr. Seng's licenses on file in 2 states: Massachusetts and New York.

Specialties and state licenses

  • Hematology and oncology, MassachusettsPrimaryLicense 249382 · taxonomy 207RH0003X
  • Internal medicine, New YorkLicense 241918 · taxonomy 207R00000X

Hematologists and oncologists near Dr. Seng

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. Sonia M. Seng billed Medicare for 1,742 services in 2024

CMS data shows 1,742 Medicare services from Dr. Seng across 11 procedure codes in 2024, for 504 Medicare patients. Medicare paid $121,441 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20241,742
Medicare patients504
Paid by Medicare$121,441
Procedure codes11

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

  • 2023
  • 2024
Office and hospital visits
2023: 1,3932024: 1,3136%
Other services
2023: 02024: 429

Dr. Seng compared with the Massachusetts median for hematologists and oncologists, 2024

  • Dr. Seng
  • Massachusetts median
Medicare services
1,742vs 4953.5 times
Medicare patients
504vs 2002.5 times
Part D claims
739vs 1514.9 times

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

Dr. Seng'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. Seng

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

Dr. Sonia M. Seng treated 504 Medicare patients in 2024, average age 74

CMS counts 504 Medicare patients who saw Dr. Seng in 2024. The largest group is 75 to 84, with 200 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 35% are also on Medicaid. Their average risk score is 2.36, 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. Seng's median patient age at 61, with 58% women.

Medicare patients, 2024504
Average age74
Average risk score2.36
Also on Medicaid35%

Dr. Seng's Medicare patients by age, 2024

Dr. Seng's Medicare patients by sex, 2024

  • Women27454%
  • Men23046%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis52%
  4. Cancer52%
  5. Anxiety45%
  6. Diabetes42%
  7. Ischemic heart disease42%
  8. Mood disorders42%

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

Dr. Seng's patients across all payers

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

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women58%
  • Men40%

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

Dr. Sonia M. Seng wrote 1,067 Medicare Part D claims in 2024

In 2024, Dr. Seng wrote 1,067 Medicare Part D claims for 214 patients. 78% of them were for generic drugs. CMS names the drug for 739 of them, across 21 drugs with 11 or more claims each, at $389,231 in total drug cost. In 2023, CMS named 776 claims across 23 drugs.

Part D claims, 20241,067
Drugs named by CMS21
Total drug cost$389,231
Part D patients214

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

  • Generic828 claims78%
  • Brand-name239 claims22%

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

  • Opioids6%65 of 1,067 claims
  • Antibiotics3%31 of 1,067 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: 7762024: 7395%

Drugs named by CMS: 21 in 2024, 23 in 2023.

See all prescribing by Dr. Seng

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. Sonia M. Seng offers telehealth to Medicare patients

Dr. Seng accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Seng as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Sonia M. Seng has 5 publications on record

Dmand AI links 5 papers to Dr. Seng, published from 2011 to 2012. 2011 was the busiest year, with 2. The most frequent topics are Cisplatin. Dr. Seng's most frequent co-authors are William Oh, MD, Matthew D. Galsky, MD and Toni K. Choueiri, MD.

Papers5
Years published2011 to 2012

Topics Dr. Seng writes about most

  • Cisplatin

Dr. Seng's most frequent co-authors

Recent publications by Dr. Seng

See all 5 publications and co-authors

See who Dr. Seng researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Seng 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. Sonia M. Seng has worked on 5 clinical trials

Dmand AI links Dr. Seng to 5 clinical trials. 3 are still active or recruiting. Conditions studied include Breast Neoplasms, Breast Diseases and Carcinoma, Ovarian Epithelial. Eli Lilly and Company sponsors the most, 4. Open Payments lists research payments to Dr. Seng that name 3 trials.

Conditions in Dr. Seng's trials

  • Breast Neoplasms
  • Breast Diseases
  • Carcinoma, Ovarian Epithelial
  • Neoplasm Metastasis
  • Prostatic Neoplasms

Investigators on the most trials with Dr. Seng

Recent clinical trials with Dr. Seng

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Sonia M. Seng received $500 in industry payments from 2018 to 2024

CMS Open Payments shows 13 general payments to Dr. Seng from 7 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 81% of the total. Abbvie Inc. paid the most, $223. It also lists 6 research payments totaling $18,308 from 2018 to 2023, naming 3 clinical trials.

General payments to Dr. Seng by program year, 2018 to 2024

General payments to Dr. Seng by kind, 2018 to 2024

$500in total
  • Food and beverage$40381%
  • Education$9719%

Companies that paid Dr. Seng the most, 2018 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Seng

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

Dr. Sonia M. Seng graduated from Albany Medical College of Union University

Dr. Seng graduated from Albany Medical College of Union University in 2004.

  1. Medical schoolAlbany Medical College of Union University

Source: Dmand AI Professional Profile Data

Sources for Dr. Sonia M. Seng'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)
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. Sonia M. Seng

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. Sonia M. Seng's NPI number?

Dr. Sonia M. Seng's NPI number is 1366629719. It was assigned on January 29, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Sonia M. Seng?

Dr. Sonia M. Seng is a hematologist and oncologist in Fall River, Massachusetts. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Sonia M. Seng practice?

Dr. Seng practices at 363 Highland Avenue, Fall River, MA 02720. Dr. Seng's primary practice is Charlton Memorial Hospital in Fall River, Massachusetts, part of Southcoast Health System. Dmand AI also links Dr. Seng to 1 group practice or clinic.

What is Dr. Sonia M. Seng's office phone number?

The practice phone on file for Dr. Seng is (508) 679-3131.

What is Dr. Sonia M. Seng's medical license number?

Dr. Seng holds Massachusetts license 249382, one of the licenses on file in 2 states.

Which states has Dr. Sonia M. Seng been licensed in?

Dmand AI has state licenses on file for Dr. Seng in Massachusetts and New York.

Which hospitals is Dr. Sonia M. Seng affiliated with?

Dr. Seng practices at Charlton Memorial Hospital in Fall River, Massachusetts. Dr. Seng is also affiliated with Saint Anne's Hospital.

What medical group is Dr. Sonia M. Seng part of?

Dr. Seng is linked to Southcoast Health.

Does Dr. Sonia M. Seng accept Medicare?

Yes. CMS data shows Dr. Seng billed Medicare for 1,742 services in 2024, and Dr. Seng accepts Medicare assignment.

Does Dr. Sonia M. Seng offer telehealth?

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

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Sonia M. Seng see?

CMS counts 504 Medicare patients who saw Dr. Seng in 2024, with an average age of 74.

What services does Dr. Sonia M. Seng bill to Medicare?

In 2024, Dr. Seng's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99215).

Where did Dr. Sonia M. Seng go to medical school?

Dr. Seng graduated from Albany Medical College of Union University in 2004.

What drugs does Dr. Sonia M. Seng prescribe most?

In 2024 Medicare Part D data, Dr. Seng's most prescribed drugs by claims were Tamoxifen Citrate, Letrozole and Eliquis.

Has Dr. Sonia M. Seng received payments from drug or device companies?

CMS Open Payments shows $500 in general payments to Dr. Seng from 7 companies from 2018 to 2024. The largest total came from Abbvie Inc.

How long has Dr. Sonia M. Seng been practicing?

Dr. Seng graduated from medical school in 2004, 22 years ago.

Does Dr. Sonia M. Seng do research?

Dmand AI links 5 publications to Dr. Seng, published from 2011 to 2012. Dr. Seng has worked on 5 clinical trials.

Who does Dr. Sonia M. Seng publish with?

Dr. Seng's most frequent co-authors are William Oh, MD (5 shared papers), Matthew D. Galsky, MD (4 shared papers) and Toni K. Choueiri, MD (2 shared papers).

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