MARGARET-MARY WILLIAMS MD
NPI 1992792055
Internal Medicine in Brockton, MA

Active since October 04, 2005PECOS EnrolledAccepts Medicare Assignment
1 PEARL ST, SUITE 1400, BROCKTON, MA 02301(508) 897-6200(508) 897-6321 Get Directions Write a Review

NPPES record last updated: January 21, 2011. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Margaret-mary Williams Md NPPES

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

MARGARET-MARY WILLIAMS MD (NPI 1992792055) is an individual internal medicine provider in Brockton, Massachusetts, licensed in Massachusetts (71259) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS, is affiliated with Morton Hospital, and is a graduate of Albany Medical College Of Union University (1987).

NPPES Registry Identity

NPI1992792055
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARGARET-MARY WILLIAMSCredential: MD
Location Address1 PEARL ST, SUITE 1400Brockton, MA 02301-2864
Mailing Address1 Pearl St, Suite 1400Brockton, MA 02301-2864 · (508) 897-6200 · Fax (508) 897-6321
Fax(508) 897-6321
Sole ProprietorNo
Medical School CMSAlbany Medical College Of Union UniversityGraduated 1987
Enumeration DateOctober 4, 2005
Last NPPES UpdateJanuary 21, 2011
NPI 1992792055 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 · 71259
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.
1 PEARL ST, Brockton, MA 02301

Other Identifiers 3

Medicare UPINE75680
Medicaid3074749MA
Medicare ID-Type UnspecifiedJ11620MA

Accepted Insurance

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

Margaret-mary Williams Md 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 ID6305884024
PECOS Enrollment IDI20050421001410
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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
302 services156 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
120 services92 patients
Transitional care management services for problem of high complexity 99496
Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.
12 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Morton Hospital

Acute Care Hospitals · Taunton, MA
1/5 CMS rating
OwnershipProprietary
CMS Certification Number220073
Location88 Washington StreetTaunton, MA 02780 · Bristol County
Emergency services

Good Samaritan Medical Center

Acute Care Hospitals · Brockton, MA
2/5 CMS rating
OwnershipProprietary
CMS Certification Number220111
Location235 North Pearl StreetBrockton, MA 02301 · Plymouth County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02301 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.

Referred Medical Equipment & Supplies CMS DME claims 7

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Sterile water, saline and/or dextrose, diluent/flush, 10 ml A4216
DME-Medical/Surgical Supplies · category DA000N
1 supplier16 claims2,300 services$0.40 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
2 suppliers12 claims23 services$6.03 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
4 suppliers12 claims12 services$1.14 avg. paid by Medicare
Oropharyngeal suction catheter, each A4628
DME-Other DME · category DE000N
1 supplier16 claims76 services$1.60 avg. paid by Medicare
Wheelchair accessory, headrest, cushioned, any type, including fixed mounting hardware, each E0955
DME-Wheelchairs · category DD021N
2 suppliers18 claims18 services$10.96 avg. paid by Medicare
Elevating leg rests, pair (for use with capped rental wheelchair base) K0195
DME-Wheelchairs · category DD021N
1 supplier12 claims12 services$7.38 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

Nurse Practitioner (Pediatrics)
1 PEARL ST, SUITE 2000
BROCKTON, MA 02301
Internal Medicine
1 PEARL ST, SUITE 2200
BROCKTON, MA 02301
Obstetrics & Gynecology
1 PEARL ST, SUITE 2500
BROCKTON, MA 02301
Internal Medicine
1 PEARL ST, SUITE 1000
BROCKTON, MA 02301
Surgery
1 PEARL ST, SUITE 2000
BROCKTON, MA 02301
Internal Medicine (Cardiovascular Disease)
1 PEARL ST, SUITE 1000
BROCKTON, MA 02301
Anesthesiology (Pain Medicine)
1 PEARL ST, SUITE 2300
BROCKTON, MA 02301
Internal Medicine (Gastroenterology)
1 PEARL ST, STE 2700
BROCKTON, MA 02301

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 Margaret-mary Williams's NPI number?

The NPI number for Margaret-mary Williams is 1992792055. It was assigned to this individual provider in the NPPES registry on October 4, 2005.

Where is Margaret-mary Williams located?

Margaret-mary Williams practices at 1 Pearl St Suite 1400, Brockton, MA 02301. The listed phone number is (508) 897-6200.

What is Margaret-mary Williams's specialty?

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

Is Margaret-mary Williams enrolled in Medicare?

Yes. Margaret-mary Williams 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.

What insurance does Margaret-mary Williams accept?

Health plans from Anthem Blue Cross and Blue Shield list Margaret-mary Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Margaret-mary Williams affiliated with any hospitals?

According to CMS data, Margaret-mary Williams is affiliated with Morton Hospital and Good Samaritan Medical Center.

When was this NPI record last updated?

The NPPES record for Margaret-mary Williams was last updated on January 21, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years 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.