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Dr. Jessica Shay, MD
NPI1154716314PAC ID3476872904
- Medicare services, 2024
- 104
- Medicare patients, 2024
- 79
- Part D claims, 2024
- 108
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Shay's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Jessica Shay is a gastroenterologist in Boston, Massachusetts
Dr. Shay practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Shay's NPI, 1154716314, was assigned on April 3, 2015. Dr. Shay graduated from Perelman School of Med at the University of Pennsylvania in 2015. Dr. Shay holds Massachusetts license 1154716314.
NPI and contact details
- NPI
- 1154716314NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476872904
- NPI enumeration date
- April 3, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jessica Shay practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Shay's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Source: Dmand AI Affiliation Data
Dr. Jessica Shay is affiliated with 3 sites of care and 3 medical groups
Dr. Shay's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Shay is also affiliated with University of Utah Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Shay to 2 more medical groups and 1 community health center, each named with a free account.
University of Utah HospitalMassachusetts General Physicians Organization (MGPO)2 medical groupsNames with a free account1 community health centerName with a free account
See all 6 affiliations for Dr. ShaySources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jessica Shay's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shay practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Jessica Shay is one of 597 gastroenterologists in Massachusetts
Gastroenterology is Dr. Shay's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Shay is licensed in Massachusetts.
Specialties and state licenses
- Gastroenterology, MassachusettsPrimary
Gastroenterologists near Dr. Shay
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
597gastroenterologists in Massachusetts220gastroenterologists in Boston65gastroenterologists at Massachusetts General Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Jessica Shay billed Medicare for 104 services in 2024
CMS data shows 104 Medicare services from Dr. Shay across 5 procedure codes in 2024, for 79 Medicare patients. Medicare paid $10,371 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024104
Medicare patients79
Paid by Medicare$10,371
Procedure codes5
Dr. Shay's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 132024: 43231%
- Surgery
- 2023: 112024: 42282%
- Other services
- 2023: 182024: 196%
Dr. Shay compared with the Massachusetts median for gastroenterologists, 2024
- Dr. Shay
- Massachusetts median
- Medicare services
- 104vs 51980% below
- Medicare patients
- 79vs 34377% below
- Part D claims
- 47vs 30084% below
Medians across 583 gastroenterologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Shay'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.
Need commercial claims for Dr. Shay?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Shay and other gastroenterologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jessica Shay treated 79 Medicare patients in 2024, average age 72
CMS counts 79 Medicare patients who saw Dr. Shay in 2024. The largest group is 65 to 74, with 40 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 2.16, 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. Shay's median patient age at 68, with 52% women.
Medicare patients, 202479
Average age72
Average risk score2.16
Also on Medicaid24%
Dr. Shay's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Shay's Medicare patients by sex, 2024
- Women4759%
- Men3241%
Chronic conditions among Dr. Shay's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Chronic kidney disease42%
- Diabetes39%
- Ischemic heart disease37%
- Anxiety28%
- Mood disorders28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Shay's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jessica Shay wrote 108 Medicare Part D claims in 2024
In 2024, Dr. Shay wrote 108 Medicare Part D claims for 57 patients. 73% of them were for generic drugs. CMS names the drug for 47 of them, across 2 drugs with 11 or more claims each, at $868 in total drug cost. In 2023, CMS named 46 claims across 3 drugs.
Part D claims, 2024108
Drugs named by CMS2
Total drug cost$868
Part D patients57
Dr. Shay's Part D claims by kind of drug, 2024
- Generic79 claims73%
- Brand-name29 claims27%
Dr. Shay'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: 462024: 472%
Drugs named by CMS: 2 in 2024, 3 in 2023.
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
How Dr. Jessica Shay takes part in Medicare
Dr. Shay accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Jessica Shay has 1 publication on record
Dmand AI links 1 paper to Dr. Shay in 2022. Dr. Shay's most frequent co-authors are Patricia Pringle Bloom, MD, Daniel Digiacomo and Jocelyn R. Farmer, MD, PhD.
Papers1
Dr. Shay's most frequent co-authors
- Patricia Pringle Bloom, MD1 shared paper
- Daniel Digiacomo1 shared paper
- Jocelyn R. Farmer, MD, PhD1 shared paper
Recent publications by Dr. Shay
See who Dr. Shay researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Shay works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jessica Shay received $270 in industry payments from 2024 to 2025
CMS Open Payments shows 5 general payments to Dr. Shay from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 64% of the total. Novo Nordisk Inc paid the most, $136.
General payments to Dr. Shay by program year, 2024 to 2025
General payments to Dr. Shay by kind, 2024 to 2025
$270in total
- Food and beverage$17464%
- Education$9736%
Companies that paid Dr. Shay the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jessica Shay graduated from Perelman School of Med at the University of Pennsylvania
Dr. Shay graduated from Perelman School of Med at the University of Pennsylvania in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jessica Shay's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Jessica Shay
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. Jessica Shay's NPI number?
Dr. Jessica Shay's NPI number is 1154716314. It was assigned on April 3, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Jessica Shay?
Dr. Jessica Shay is a gastroenterologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Jessica Shay practice?
Dr. Shay practices at 55 Fruit Street, Boston, MA 02114. Dr. Shay's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Shay to 2 medical groups and 1 community health center.
What is Dr. Jessica Shay's office phone number?
The practice phone on file for Dr. Shay is (617) 726-2000.
What is Dr. Jessica Shay's medical license number?
Dr. Shay holds Massachusetts license 1154716314.
Which hospitals is Dr. Jessica Shay affiliated with?
Dr. Shay practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. Shay is also affiliated with University of Utah Hospital.
What medical group is Dr. Jessica Shay part of?
Dr. Shay is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Shay to 2 more medical groups.
Does Dr. Jessica Shay accept Medicare?
Yes. CMS data shows Dr. Shay billed Medicare for 104 services in 2024, and Dr. Shay accepts Medicare assignment.
How many Medicare patients does Dr. Jessica Shay see?
CMS counts 79 Medicare patients who saw Dr. Shay in 2024, with an average age of 72.
What services does Dr. Jessica Shay bill to Medicare?
In 2024, Dr. Shay's most billed Medicare services were office visit, established patient (99215), medicare service (G0500) and surgery: digestive system (45385).
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Where did Dr. Jessica Shay go to medical school?
Dr. Shay graduated from Perelman School of Med at the University of Pennsylvania in 2015.
What drugs does Dr. Jessica Shay prescribe most?
In 2024 Medicare Part D data, Dr. Shay's most prescribed drugs by claims were Gavilyte-G and Omeprazole.
Has Dr. Jessica Shay received payments from drug or device companies?
CMS Open Payments shows $270 in general payments to Dr. Shay from 2 companies from 2024 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Jessica Shay been practicing?
Dr. Shay graduated from medical school in 2015, 11 years ago.
Does Dr. Jessica Shay do research?
Dmand AI links 1 publication to Dr. Shay.
Who does Dr. Jessica Shay publish with?
Dr. Shay's most frequent co-authors are Patricia Pringle Bloom, MD (1 shared paper), Daniel Digiacomo (1 shared paper) and Jocelyn R. Farmer, MD, PhD (1 shared paper).
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