Dr. James J. Sullivan Jr., MD
- Medicare services, 2024
- 14,574
- Medicare patients, 2024
- 451
- Part D claims, 2024
- 673
- Hospital affiliations
- 3
- Industry payments
- $22
- Practice address
- 5 Neponset Street, Worcester, MA 01606
- Practice phone
- Call (508) 853-2716
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Reliant Medical Group - Worcester - Neponset Street
Mammography / Breast Imaging Center · Worcester, Massachusetts
Find Dr. Sullivan'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. James J. Sullivan Jr. is an emergency medicine physician in Worcester, Massachusetts
Dr. Sullivan practices at Reliant Medical Group - Worcester - Neponset Street in Worcester, Massachusetts.
Dr. Sullivan's NPI, 1730161308, was assigned on November 18, 2005. Dr. Sullivan holds Massachusetts license 202737.
- NPI
- 1730161308NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638066301
- NPI enumeration date
- November 18, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 853-2716
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James J. Sullivan Jr. practices at Reliant Medical Group - Worcester - Neponset Street in Worcester, Massachusetts
Dr. Sullivan's primary practice is Reliant Medical Group - Worcester - Neponset Street, at 5 Neponset Street, Worcester, MA 01606. The practice phone is (508) 853-2716.
- Reliant Medical Group - Worcester - Neponset Street5 Neponset Street, Worcester, MA 01606Phone(508) 853-2716
Source: Dmand AI Affiliation Data
Dr. James J. Sullivan Jr. is affiliated with 4 sites of care and 7 medical groups
Dr. Sullivan's primary practice is Reliant Medical Group - Worcester - Neponset Street in Worcester, Massachusetts. Dr. Sullivan is also affiliated with UMass Memorial Health - HealthAlliance-Clinton Hospital. The medical group on file is Steward Medical Group. Dmand AI also links Dr. Sullivan to 2 more hospitals and 6 medical groups, each named with a free account. Dr. Sullivan's employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James J. Sullivan Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sullivan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Reliant Medical Group - Worcester - Neponset Street | Available with a free account |
| +3 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James J. Sullivan Jr. is one of 1,483 emergency medicine physicians in Massachusetts
Emergency medicine is Dr. Sullivan's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Sullivan is licensed in Massachusetts.
Specialties and state licenses
- Emergency medicine, MassachusettsPrimary
Emergency medicine physicians near Dr. Sullivan
Counts of emergency medicine physicians 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. James J. Sullivan Jr. billed Medicare for 14,574 services in 2024
CMS data shows 14,574 Medicare services from Dr. Sullivan across 22 procedure codes in 2024, for 451 Medicare patients. Medicare paid $53,402 for them.
Dr. Sullivan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1882024: 13,7707224%
- Office and hospital visits
- 2023: 4972024: 43213%
- Tests and treatments
- 2023: 1662024: 21228%
- Lab and pathology
- 2023: 862024: 16086%
Where Dr. Sullivan's Medicare services took place, 2024
- In an office14,540100%
- In a facility340%
Dr. Sullivan compared with the Massachusetts median for emergency medicine physicians, 2024
- Dr. Sullivan
- Massachusetts median
- Medicare services
- 14,574vs 34142.7 times
- Medicare patients
- 451vs 33734% above
- Part D claims
- 501vs 3613.9 times
Medians across 1,477 emergency medicine physicians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Sullivan'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sullivan and other emergency medicine physicians in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James J. Sullivan Jr. treated 451 Medicare patients in 2024, average age 72
CMS counts 451 Medicare patients who saw Dr. Sullivan in 2024. The largest group is 65 to 74, with 190 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 27% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sullivan's median patient age at 50, with 55% women.
Dr. Sullivan's Medicare patients by age, 2024
Dr. Sullivan's Medicare patients by sex, 2024
- Women25356%
- Men19844%
Chronic conditions among Dr. Sullivan's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis53%
- Anxiety35%
- Mood disorders32%
- Diabetes31%
- Depression30%
- Ischemic heart disease29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sullivan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James J. Sullivan Jr. wrote 673 Medicare Part D claims in 2024
In 2024, Dr. Sullivan wrote 673 Medicare Part D claims for 421 patients. 93% of them were for generic drugs. CMS names the drug for 501 of them, across 17 drugs with 11 or more claims each, at $3,391 in total drug cost. In 2023, CMS named 364 claims across 16 drugs.
Dr. Sullivan's Part D claims by kind of drug, 2024
- Generic629 claims93%
- Brand-name44 claims7%
Dr. Sullivan'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. Sullivan's Part D claims, 2024
- Opioids8%51 of 673 claims
- Antibiotics40%267 of 673 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: 3642024: 50138%
Drugs named by CMS: 17 in 2024, 16 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. James J. Sullivan Jr. takes part in Medicare
Dr. Sullivan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. James J. Sullivan Jr. received $22 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Sullivan from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Relypsa, Inc. paid the most, $22.
Companies that paid Dr. Sullivan the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. James J. Sullivan Jr.'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. James J. Sullivan Jr.
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. James J. Sullivan Jr.'s NPI number?
Dr. James J. Sullivan Jr.'s NPI number is 1730161308. It was assigned on November 18, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. James J. Sullivan Jr.?
Dr. James J. Sullivan Jr. is an emergency medicine physician in Worcester, Massachusetts. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. James J. Sullivan Jr. practice?
Dr. Sullivan practices at 5 Neponset Street, Worcester, MA 01606. Dr. Sullivan's primary practice is Reliant Medical Group - Worcester - Neponset Street in Worcester, Massachusetts. Dmand AI also links Dr. Sullivan to 2 hospitals and 6 medical groups.
What is Dr. James J. Sullivan Jr.'s office phone number?
The practice phone on file for Dr. Sullivan is (508) 853-2716.
What is Dr. James J. Sullivan Jr.'s medical license number?
Dr. Sullivan holds Massachusetts license 202737.
Which hospitals is Dr. James J. Sullivan Jr. affiliated with?
Dr. Sullivan is affiliated with UMass Memorial Health - HealthAlliance-Clinton Hospital. Dmand AI links Dr. Sullivan to 2 more hospitals.
What medical group is Dr. James J. Sullivan Jr. part of?
Dr. Sullivan is linked to Steward Medical Group. Dmand AI links Dr. Sullivan to 6 more medical groups.
Does Dr. James J. Sullivan Jr. accept Medicare?
Yes. CMS data shows Dr. Sullivan billed Medicare for 14,574 services in 2024, and Dr. Sullivan accepts Medicare assignment.
How many Medicare patients does Dr. James J. Sullivan Jr. see?
CMS counts 451 Medicare patients who saw Dr. Sullivan in 2024, with an average age of 72.
What services does Dr. James J. Sullivan Jr. bill to Medicare?
In 2024, Dr. Sullivan's most billed Medicare services were injected or infused drug (J0878), office visit, established patient (99213) and injected or infused drug (J0696).
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What drugs does Dr. James J. Sullivan Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Sullivan's most prescribed drugs by claims were Prednisone, Cefdinir and Doxycycline Monohydrate.
Has Dr. James J. Sullivan Jr. received payments from drug or device companies?
CMS Open Payments shows $22 in general payments to Dr. Sullivan from 1 company from 2017 to 2017. The largest total came from Relypsa, Inc.
How long has Dr. James J. Sullivan Jr. been practicing?
Dr. Sullivan graduated from medical school in 1995, 31 years ago.
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