Dr. Seth E. Homer, MD

  • Braintree, MA
  • Gastroenterologist
NPI1598993735PAC ID8820254048
Medicare services, 2024
396
Medicare patients, 2024
204
Part D claims, 2024
640
Hospital affiliations
1
Industry payments
$2,118
Practice address
111 Grossman Dr, Braintree, MA 02184
Practice phone
Call (617) 421-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Harvard Vanguard Medical Associates

Braintree, Massachusetts

See all 6 affiliations

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Dr. Seth E. Homer is a gastroenterologist in Braintree, Massachusetts

Dr. Homer practices at Harvard Vanguard Medical Associates in Braintree, Massachusetts.

Dr. Homer's NPI, 1598993735, was assigned on June 25, 2009. Dr. Homer graduated from Tufts University School of Medicine in 2005. Dr. Homer holds Massachusetts license 250700.

NPI and contact details
Medicare PAC ID
8820254048
NPI enumeration date
June 25, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(617) 421-1000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
47
Medical school graduation
2005

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

Dr. Seth E. Homer practices at Harvard Vanguard Medical Associates in Braintree, Massachusetts

Dr. Homer's primary practice is Harvard Vanguard Medical Associates, at 111 Grossman Dr, Braintree, MA 02184 in Norfolk County. The practice phone is (617) 421-1000.

  • Harvard Vanguard Medical Associates
    111 Grossman Dr, Braintree, MA 02184 · Norfolk CountyPhone(617) 421-1000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Seth E. Homer is affiliated with 4 sites of care and 2 medical groups

Dr. Homer's primary practice is Harvard Vanguard Medical Associates in Braintree, Massachusetts. Dr. Homer is also affiliated with Beth Israel Deaconess Medical Center. The medical group on file is Atrius Health. Dmand AI also links Dr. Homer to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Homer

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Seth E. Homer's practice

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

EHR by site
SiteEHR vendor and product
Harvard Vanguard Medical AssociatesAvailable 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. Seth E. Homer is one of 597 gastroenterologists in Massachusetts

Gastroenterology is Dr. Homer's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Homer is licensed in Massachusetts.

Specialties and state licenses

  • Gastroenterology, MassachusettsPrimaryLicense 250700 · taxonomy 207RG0100X

Gastroenterologists near Dr. Homer

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

597gastroenterologists in Massachusetts
4gastroenterologists in Braintree

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Seth E. Homer billed Medicare for 396 services in 2024

CMS data shows 396 Medicare services from Dr. Homer across 9 procedure codes in 2024, for 204 Medicare patients. Medicare paid $59,841 for them. Every service was in an office.

Medicare services, 2024396
Medicare patients204
Paid by Medicare$59,841
Procedure codes9

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

  • 2023
  • 2024
Surgery
2023: 2402024: 19718%
Office and hospital visits
2023: 1242024: 1166%
Lab and pathology
2023: 842024: 831%
Other services
2023: 182024: 0100%

Dr. Homer compared with the Massachusetts median for gastroenterologists, 2024

  • Dr. Homer
  • Massachusetts median
Medicare services
396vs 51924% below
Medicare patients
204vs 34341% below
Part D claims
546vs 30082% above

Medians across 583 gastroenterologists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Homer'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.

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

Dr. Seth E. Homer treated 204 Medicare patients in 2024, average age 73

CMS counts 204 Medicare patients who saw Dr. Homer in 2024. The largest group is 65 to 74, with 113 patients. 73% of them have high cholesterol, and 60% have high blood pressure. 8% are also on Medicaid. Their average risk score is 0.98, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Homer's median patient age at 59, with 50% women.

Medicare patients, 2024204
Average age73
Average risk score0.98
Also on Medicaid8%

Dr. Homer's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Homer's Medicare patients by sex, 2024

  • Women12260%
  • Men8240%

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

  1. High cholesterol73%
  2. High blood pressure60%
  3. Arthritis34%
  4. Mood disorders25%
  5. Depression24%
  6. Diabetes22%
  7. Anxiety21%
  8. Cancer20%

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

Dr. Homer's patients across all payers

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

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women50%
  • Men49%

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

Dr. Seth E. Homer wrote 640 Medicare Part D claims in 2024

In 2024, Dr. Homer wrote 640 Medicare Part D claims for 306 patients. 85% of them were for generic drugs. CMS names the drug for 546 of them, across 15 drugs with 11 or more claims each, at $87,791 in total drug cost. In 2023, CMS named 551 claims across 16 drugs.

Part D claims, 2024640
Drugs named by CMS15
Total drug cost$87,791
Part D patients306

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

  • Generic543 claims85%
  • Brand-name97 claims15%

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

  • Antibiotics2%13 of 640 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: 5512024: 5461%

Drugs named by CMS: 15 in 2024, 16 in 2023.

See all prescribing by Dr. Homer

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. Seth E. Homer ranks in the 72nd percentile for colonoscopy in Medicare

Dr. Homer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Homer as offering telehealth. CMS counts 73 procedures of colonoscopy by Dr. Homer, more than 72% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Homer ranks in Medicare procedure volume

Colonoscopy
72nd percentile73 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
50th percentile20 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Seth E. Homer received $2,118 in industry payments from 2016 to 2025

CMS Open Payments shows 56 general payments to Dr. Homer from 14 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $301.

General payments to Dr. Homer by program year, 2016 to 2025

Companies that paid Dr. Homer the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Homer

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

Dr. Seth E. Homer graduated from Tufts University School of Medicine

Dr. Homer graduated from Tufts University School of Medicine in 2005.

  1. Medical schoolTufts University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Seth E. Homer'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Doctors and Clinicians Utilization Data (CMS) (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. Seth E. Homer

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. Seth E. Homer's NPI number?

Dr. Seth E. Homer's NPI number is 1598993735. It was assigned on June 25, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Seth E. Homer?

Dr. Seth E. Homer is a gastroenterologist in Braintree, Massachusetts. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Seth E. Homer practice?

Dr. Homer practices at 111 Grossman Dr, Braintree, MA 02184. Dr. Homer's primary practice is Harvard Vanguard Medical Associates in Braintree, Massachusetts. Dmand AI also links Dr. Homer to 2 group practices and clinics and 1 medical group.

What is Dr. Seth E. Homer's office phone number?

The practice phone on file for Dr. Homer is (617) 421-1000.

What is Dr. Seth E. Homer's medical license number?

Dr. Homer holds Massachusetts license 250700.

Which hospitals is Dr. Seth E. Homer affiliated with?

Dr. Homer is affiliated with Beth Israel Deaconess Medical Center.

What medical group is Dr. Seth E. Homer part of?

Dr. Homer is linked to Atrius Health. Dmand AI links Dr. Homer to 1 more medical group.

Does Dr. Seth E. Homer accept Medicare?

Yes. CMS data shows Dr. Homer billed Medicare for 396 services in 2024, and Dr. Homer accepts Medicare assignment.

Does Dr. Seth E. Homer offer telehealth?

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

How many Medicare patients does Dr. Seth E. Homer see?

CMS counts 204 Medicare patients who saw Dr. Homer in 2024, with an average age of 73.

Show 5 more questionsShow fewer questions

What services does Dr. Seth E. Homer bill to Medicare?

In 2024, Dr. Homer's most billed Medicare services were surgery: digestive system (45380), office visit, established patient (99214) and surgery: heart and blood vessels (36415).

Where did Dr. Seth E. Homer go to medical school?

Dr. Homer graduated from Tufts University School of Medicine in 2005.

What drugs does Dr. Seth E. Homer prescribe most?

In 2024 Medicare Part D data, Dr. Homer's most prescribed drugs by claims were Gavilyte-C, Omeprazole and Peg3350-Sod Sul-Nacl-Kcl-Asb-C.

Has Dr. Seth E. Homer received payments from drug or device companies?

CMS Open Payments shows $2,118 in general payments to Dr. Homer from 14 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Seth E. Homer been practicing?

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

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