Dr. Jacquelyn Marie Nestor, MD, PhD

  • Boston, MA
  • Rheumatologist
NPI1295294023PAC ID4486983723
Medicare services, 2024
38
Medicare patients, 2024
34
Part D claims, 2024
262
Publications
7
Hospital affiliations
3
Practice address
55 Fruit Street, Boston, MA 02114
Practice phone
Call (617) 726-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Massachusetts General Hospital

Hospital · Boston, Massachusetts

See all 6 affiliations

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Dr. Jacquelyn Marie Nestor is a rheumatologist in Boston, Massachusetts

Dr. Nestor practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.

Dr. Nestor's NPI, 1295294023, was assigned on March 19, 2019. Dr. Nestor holds Massachusetts license 1019051.

NPI and contact details
Medicare PAC ID
4486983723
NPI enumeration date
March 19, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(617) 726-2000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
33
Medical school graduation
2019

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

Dr. Jacquelyn Marie Nestor practices at Massachusetts General Hospital in Boston, Massachusetts

Dr. Nestor's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.

Source: Dmand AI Affiliation Data

Dr. Jacquelyn Marie Nestor is affiliated with 4 sites of care and 2 medical groups

Dr. Nestor's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Nestor is also affiliated with Brigham and Women's Hospital. The medical group on file is Massachusetts General Hospital. Dmand AI also links Dr. Nestor to 1 more hospital, 1 community health center and 1 medical group, each named with a free account. Dr. Nestor's employer is on file too: a hospital.

See all 6 affiliations for Dr. Nestor

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

Dmand AI tracks the EHR system at Dr. Jacquelyn Marie Nestor's practice

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

EHR by site
SiteEHR vendor and product
Massachusetts General HospitalAvailable 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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Dr. Jacquelyn Marie Nestor is one of 275 rheumatologists in Massachusetts

Rheumatology is Dr. Nestor's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Nestor is licensed in Massachusetts.

Specialties and state licenses

  • Rheumatology, MassachusettsPrimaryLicense 1019051 · taxonomy 207RR0500X

Rheumatologists near Dr. Nestor

Counts of rheumatologists 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. Jacquelyn Marie Nestor billed Medicare for 38 services in 2024

CMS data shows 38 Medicare services from Dr. Nestor across 2 procedure codes in 2024, for 34 Medicare patients. Medicare paid $1,742 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202438
Medicare patients34
Paid by Medicare$1,742
Procedure codes2

Dr. Nestor's Medicare services by type, 2024

  1. Other services20
  2. Office and hospital visits18

Dr. Nestor compared with the Massachusetts median for rheumatologists, 2024

  • Dr. Nestor
  • Massachusetts median
Medicare services
38vs 41291% below
Medicare patients
34vs 20984% below
Part D claims
179vs 50565% below

Medians across 268 rheumatologists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Nestor'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. Nestor

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

Dr. Jacquelyn Marie Nestor treated 34 Medicare patients in 2024, average age 69

CMS counts 34 Medicare patients who saw Dr. Nestor in 2024. The largest group is 65 to 74, with 13 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 2.12, 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. Nestor's median patient age at 71, with 63% women.

Medicare patients, 202434
Average age69
Average risk score2.12

Dr. Nestor's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Nestor's Medicare patients by sex, 2024

  • Women2059%
  • Men1441%

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

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol65%
  4. Osteoporosis56%
  5. Anxiety50%
  6. Depression47%
  7. Mood disorders47%
  8. Ischemic heart disease44%

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

Dr. Nestor's patients across all payers

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

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women63%
  • Men37%

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

Dr. Jacquelyn Marie Nestor wrote 262 Medicare Part D claims in 2024

In 2024, Dr. Nestor wrote 262 Medicare Part D claims for 39 patients. 59% of them were for generic drugs. CMS names the drug for 179 of them, across 8 drugs with 11 or more claims each, at $524,764 in total drug cost. In 2023, CMS named 141 claims across 6 drugs.

Part D claims, 2024262
Drugs named by CMS8
Total drug cost$524,764
Part D patients39

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

  • Generic155 claims59%
  • Brand-name107 claims41%

Dr. Nestor'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: 1412024: 17927%

Drugs named by CMS: 8 in 2024, 6 in 2023.

See all prescribing by Dr. Nestor

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. Jacquelyn Marie Nestor offers telehealth to Medicare patients

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

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Jacquelyn Marie Nestor has 7 publications on record

Dmand AI links 7 papers to Dr. Nestor, published from 2018 to 2025. The most frequent topics are Autoantibodies, Lupus Erythematosus, Systemic and Brain. Dr. Nestor has published most often in Arthritis Rheumatol. Dr. Nestor's most frequent co-authors are Karen H. Costenbader, MD, MPH, Bruce T. Volpe, MD and Michael J. Doherty, MD.

Papers7
Years published2018 to 2025

Dr. Nestor's papers by year, 2018 to 2025

Topics Dr. Nestor writes about most

  • Autoantibodies
  • Lupus Erythematosus, Systemic
  • Brain
  • Microglia
  • Neurons
  • Receptors, N-Methyl-D-Aspartate

Dr. Nestor's most frequent co-authors

Recent publications by Dr. Nestor

See all 7 publications and co-authors

See who Dr. Nestor researches with

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

How network discovery works

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

Sources for Dr. Jacquelyn Marie Nestor'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
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. Jacquelyn Marie Nestor

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. Jacquelyn Marie Nestor's NPI number?

Dr. Jacquelyn Marie Nestor's NPI number is 1295294023. It was assigned on March 19, 2019, and it is active in the NPI Registry.

What kind of doctor is Dr. Jacquelyn Marie Nestor?

Dr. Jacquelyn Marie Nestor is a rheumatologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).

Where does Dr. Jacquelyn Marie Nestor practice?

Dr. Nestor practices at 55 Fruit Street, Boston, MA 02114. Dr. Nestor's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Nestor to 1 hospital, 1 community health center and 1 medical group.

What is Dr. Jacquelyn Marie Nestor's office phone number?

The practice phone on file for Dr. Nestor is (617) 726-2000.

What is Dr. Jacquelyn Marie Nestor's medical license number?

Dr. Nestor holds Massachusetts license 1019051.

Which hospitals is Dr. Jacquelyn Marie Nestor affiliated with?

Dr. Nestor practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. Nestor is also affiliated with Brigham and Women's Hospital. Dmand AI links Dr. Nestor to 1 more hospital.

What medical group is Dr. Jacquelyn Marie Nestor part of?

Dr. Nestor is linked to Massachusetts General Hospital. Dmand AI links Dr. Nestor to 1 more medical group.

Does Dr. Jacquelyn Marie Nestor accept Medicare?

Yes. CMS data shows Dr. Nestor billed Medicare for 38 services in 2024, and Dr. Nestor accepts Medicare assignment.

Does Dr. Jacquelyn Marie Nestor offer telehealth?

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

How many Medicare patients does Dr. Jacquelyn Marie Nestor see?

CMS counts 34 Medicare patients who saw Dr. Nestor in 2024, with an average age of 69.

Show 5 more questionsShow fewer questions

What services does Dr. Jacquelyn Marie Nestor bill to Medicare?

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

What drugs does Dr. Jacquelyn Marie Nestor prescribe most?

In 2024 Medicare Part D data, Dr. Nestor's most prescribed drugs by claims were Prednisone, Actemra and Methotrexate.

How long has Dr. Jacquelyn Marie Nestor been practicing?

Dr. Nestor graduated from medical school in 2019, 7 years ago.

Does Dr. Jacquelyn Marie Nestor do research?

Dmand AI links 7 publications to Dr. Nestor, published from 2018 to 2025.

Who does Dr. Jacquelyn Marie Nestor publish with?

Dr. Nestor's most frequent co-authors are Karen H. Costenbader, MD, MPH (2 shared papers), Bruce T. Volpe, MD (2 shared papers) and Michael J. Doherty, MD (1 shared paper).

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