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JOSEPH BRIAN SULLIVAN MD
NPI 1518953710
Internal Medicine in Wareham, MA

Active since September 22, 2005PECOS Enrolled
261 MAIN ST STE B, WAREHAM, MA 02571(508) 295-7174(508) 730-6512 Get Directions Write a Review

NPPES record last updated: April 30, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Joseph Brian Sullivan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOSEPH BRIAN SULLIVAN MD (NPI 1518953710) is an individual internal medicine provider in Wareham, Massachusetts, licensed in Massachusetts (73361) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1518953710
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJOSEPH BRIAN SULLIVANCredential: MD
Location Address261 MAIN ST STE BWareham, MA 02571-2111
Mailing Address261 Main St Unit BWareham, MA 02571-2111 · (508) 295-7174 · Fax (508) 730-6512
Phone(508) 295-7174
Fax(508) 730-6512
Sole ProprietorNo
Enumeration DateSeptember 22, 2005
Last NPPES UpdateApril 30, 2025
NPPES CertifiedApril 30, 2025
✔ NPI 1518953710 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 73361
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
261 MAIN ST STE B, Wareham, MA 02571
Open in Google Maps ↗

Other Identifiers 1

Medicaid3079066MA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Joseph Brian Sullivan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Joseph Sullivan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Commonwealth Of Massachusetts
7.7 mi
Psychiatric Hospital
830 COUNTY RD
Pocasset, MA 02559
  • Reassigned Medicare billing, Massachusetts enrollment
  • Also billed through NPI 1922101724 (Massachusetts)
  • 45 clinicians in this Medicare group
NPI 1740359611 (508) 564-9600

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
106 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02571 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joseph Sullivan's NPI number?

The NPI number for Joseph Sullivan is 1518953710. It was assigned to this individual provider in the NPPES registry on September 22, 2005.

Where is Joseph Sullivan located?

Joseph Sullivan practices at 261 Main St Ste B, Wareham, MA 02571. The listed phone number is (508) 295-7174.

What is Joseph Sullivan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Joseph Sullivan enrolled in Medicare?

Yes. Joseph Sullivan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Joseph Sullivan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Sullivan reassigns Medicare benefits to The Commonwealth Of Massachusetts (Pocasset, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joseph Sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Joseph Sullivan was last updated on April 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.