ROCK H. JEAN-GUILLAUME D.O.
NPI 1730157918
Emergency Medicine in Holden, MA

Active since March 14, 2006PECOS EnrolledAccepts Medicare Assignment
5 SHREWSBURY ST STE D, HOLDEN, MA 01520(508) 829-3800(508) 829-3802 Get Directions Write a Review

NPPES record last updated: November 22, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 22, 2020, Apr 20, 2020, Apr 16, 2019 and 1 more (4 updates tracked since 2018).

About Rock H. Jean-guillaume D.o. NPPES

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

ROCK H. JEAN-GUILLAUME D.O. (NPI 1730157918) is an individual emergency medicine provider in Holden, Massachusetts, licensed in Massachusetts (215241) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Mcleod Loris Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1730157918
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameROCK H. JEAN-GUILLAUMECredential: D.O.
Location Address5 SHREWSBURY ST STE DHolden, MA 01520
Mailing Address5 Shrewsbury St Ste DHolden, MA 01520-1960 · (508) 829-3810 · Fax (508) 829-3815
Fax(508) 829-3802
Sole ProprietorNo
Medical School CMSMichigan State University College Of Osteopathic MedicineGraduated 1998
Enumeration DateMarch 14, 2006
Last NPPES UpdateNovember 22, 20204 updates tracked since enumeration
NPPES CertifiedNovember 22, 2020
NPI 1730157918 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in MA · 215241
Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

5 SHREWSBURY ST STE D, Holden, MA 01520

Secondary Practice Locations 2

Location 12040 Boston Rd Ste 5Wilbraham, MA 01095-1380 · Phone (413) 599-3800 · Fax (413) 279-1900
Location 255 Lake Ave NWorcester, MA 01655-0002 · Phone (508) 421-1400 · Fax (508) 421-1490

Other Identifiers 1

Medicaid110006102AMA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Rock H. Jean-guillaume D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8426042839
PECOS Enrollment IDI20200729000554
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.

Areas of Expertise CMS Part B claims 3

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
201 services198 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
122 services121 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
22 services22 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mcleod Loris Hospital

Acute Care Hospitals · Loris, SC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420105
Location3655 Mitchell StreetLoris, SC 29569 · Horry County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01520 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
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
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.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
5 SHREWSBURY ST STE D
HOLDEN, MA 01520
Emergency Medicine
5 SHREWSBURY ST STE D
HOLDEN, MA 01520
Registered Nurse (Administrator)
5 SHREWSBURY ST STE D
HOLDEN, MA 01520
Emergency Medicine
5 SHREWSBURY ST STE D
HOLDEN, MA 01520
Emergency Medicine
5 SHREWSBURY ST STE D
HOLDEN, MA 01520
Emergency Medicine
5 SHREWSBURY ST STE D
HOLDEN, MA 01520
Emergency Medicine
5 SHREWSBURY ST STE D
HOLDEN, MA 01520
Physician Assistant
5 SHREWSBURY ST STE D
HOLDEN, MA 01520

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 Rock Jean-guillaume's NPI number?

The NPI number for Rock Jean-guillaume is 1730157918. It was assigned to this individual provider in the NPPES registry on March 14, 2006.

Where is Rock Jean-guillaume located?

Rock Jean-guillaume practices at 5 Shrewsbury St Ste D, Holden, MA 01520. The listed phone number is (508) 829-3800.

What is Rock Jean-guillaume's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Rock Jean-guillaume enrolled in Medicare?

Yes. Rock Jean-guillaume is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Rock Jean-guillaume affiliated with any hospitals?

According to CMS data, Rock Jean-guillaume is affiliated with Mcleod Loris Hospital.

When was this NPI record last updated?

The NPPES record for Rock Jean-guillaume was last updated on November 22, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.