WILLIAM STEPHEN MAHER M.D.
NPI 1194835637
Internal Medicine in Newton Lower Falls, MA

Active since August 30, 2006PECOS EnrolledAccepts Medicare Assignment
2000 WASHINGTON ST, SUITE 546, NEWTON LOWER FALLS, MA 02462(617) 964-5020(617) 964-3033 Get Directions Write a Review

NPPES record last updated: May 14, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About William Stephen Maher M.d. NPPES

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

WILLIAM STEPHEN MAHER M.D. (NPI 1194835637) is an individual internal medicine provider in Newton Lower Falls, Massachusetts, licensed in Massachusetts (78946) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Georgetown University School Of Medicine (1991).

NPPES Registry Identity

NPI1194835637
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWILLIAM STEPHEN MAHERCredential: M.D.
Location Address2000 WASHINGTON ST, SUITE 546Newton Lower Falls, MA 02462-1650
Mailing Address2000 Washington St, Suite 546Newton Lower Falls, MA 02462-1650 · (617) 964-5020 · Fax (617) 964-3033
Fax(617) 964-3033
Sole ProprietorNo
Medical School CMSGeorgetown University School Of MedicineGraduated 1991
Enumeration DateAugust 30, 2006
Last NPPES UpdateMay 14, 2008
NPI 1194835637 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 · 78946
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.
2000 WASHINGTON ST, Newton Lower Falls, MA 02462

Other Identifiers 10

Other0407539MA · United Healthcare
OtherJ21520MA · Blue Shield
OtherP00079305MA · Railroad Medicare
Medicaid3198600MA
Medicare PINMX8843
Other6000021MA · Harvard Pilgrim Healthcar
Other400623MA · Tufts Health Plan
Medicare UPING96621MA
Medicare ID-Type UnspecifiedA29835MA
Other1013478004MA · Cigna Healthcare

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

William Stephen Maher M.d. 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 ID1658321294
PECOS Enrollment IDI20050131000991
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 18

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.
374 services239 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
302 services302 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.
217 services195 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
119 services119 patients
Annual alcohol misuse screening, 5 to 15 minutes G0442
An annual alcohol misuse screening is a 15-minute check-up to assess your drinking habits. It helps identify if you're consuming alcohol in a way that could harm your health. This is not a judgment, but a tool to promote your wellbeing.
118 services118 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
57 services56 patients

Hospital Affiliations CMS Care Compare 5

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

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Milford Regional Medical Center

Acute Care Hospitals · Milford, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number220090
Location14 Prospect StreetMilford, MA 01757 · Worcester County
Emergency services Birthing friendly

Newton-Wellesley Hospital

Acute Care Hospitals · Newton, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220101
Location2014 Washington StreetNewton, MA 02462 · Middlesex County
Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Faulkner Hospital-Brigham And Women's

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220119
Location1153 Centre StreetBoston, MA 02130 · Suffolk County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02462 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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 11

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
9 suppliers13 claims58 services$4.41 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
3 suppliers33 claims33 services$33.80 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
2 suppliers18 claims18 services$78.69 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
2 suppliers12 claims34 services$29.96 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
4 suppliers19 claims110 services$15.39 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
4 suppliers25 claims25 services$47.11 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.

Surgery
2000 WASHINGTON ST, SUITE 665
NEWTON, MA 02462
Plastic Surgery
2000 WASHINGTON ST
NEWTON LOWER FALLS, MA 02462
Pediatrics
2000 WASHINGTON ST, SUITE 466
NEWTON, MA 02462
Otolaryngology (Otolaryngology/Facial Plastic Surgery)
2000 WASHINGTON ST, SUITE 544 WHITE BUILDING
NEWTON, MA 02462
Internal Medicine
2000 WASHINGTON ST, SUITE 546
NEWTON LOWER FALLS, MA 02462
Orthopaedic Surgery (Hand Surgery)
2000 WASHINGTON ST, SUITE 341
NEWTON, MA 02462
Internal Medicine
2000 WASHINGTON ST, SUITE 441
NEWTON, MA 02462
Allergy & Immunology (Allergy)
2000 WASHINGTON ST, SUITE 205
NEWTON, MA 02462

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 William Maher's NPI number?

The NPI number for William Maher is 1194835637. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Where is William Maher located?

William Maher practices at 2000 Washington St Suite 546, Newton Lower Falls, MA 02462. The listed phone number is (617) 964-5020.

What is William Maher's specialty?

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

Is William Maher enrolled in Medicare?

Yes. William Maher 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 William Maher affiliated with any hospitals?

According to CMS data, William Maher is affiliated with Massachusetts General Hospital, Milford Regional Medical Center, Newton-Wellesley Hospital, Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.

When was this NPI record last updated?

The NPPES record for William Maher was last updated on May 14, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.