DR. TIMOTHY RICHARD MAHER MD
NPI 1912396607
Internal Medicine - Clinical Cardiac Electrophysiology in Boston, MA

Q: What is Timothy Maher's NPI number?

The NPI number for Timothy Maher is 1912396607. It was assigned to this individual provider in the NPPES registry on January 18, 2015.

Q: What is Timothy Maher's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Q: When was this NPI record last updated?

The NPPES record for Timothy Maher was last updated on August 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since January 18, 2015PECOS EnrolledAccepts Medicare Assignment

185 PILGRIM RD FL BAKER4, BOSTON, MA 02215(617) 667-8800(617) 632-7620 Get Directions Write a Review

NPPES record last updated: August 26, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 26, 2023, Jun 3, 2020, Aug 20, 2018 and 1 more (4 updates tracked since 2017).

On this page

About Dr. Timothy Richard Maher Md NPPES

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

DR. TIMOTHY RICHARD MAHER MD (NPI 1912396607) is an individual clinical cardiac electrophysiology provider in Boston, Massachusetts, licensed in Massachusetts (273241) and active in the NPI registry since January 2015. He is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Hospital Plymouth, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1912396607

Entity TypeIndividualMale

Primary Taxonomy207RC0001X

Provider Legal NameDR. TIMOTHY RICHARD MAHERCredential: MD

Location Address185 PILGRIM RD FL BAKER4Boston, MA 02215

Mailing Address185 Pilgrim Rd Fl Baker4Boston, MA 02215-5324 · (617) 667-8800 · Fax (617) 632-7620

Phone(617) 667-8800

Fax(617) 632-7620

Sole ProprietorNo

Medical School CMSOtherGraduated 2015

Enumeration DateJanuary 18, 2015

Last NPPES UpdateAugust 26, 20234 updates tracked since enumeration

NPPES CertifiedAugust 26, 2023

✔ NPI 1912396607 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RC0001X

License✔ Licensed in MA · 273241

Definition

A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.

Also ListedInternal MedicineTaxonomy 207R00000X · License 263122 (MA)

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 273241 (MA)

185 PILGRIM RD FL BAKER4, Boston, MA 02215

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Timothy Richard Maher 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 ID5294043246

PECOS Enrollment IDI20230419001576

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 Timothy Maher reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc

0.2 mi

Internal Medicine

330 BROOKLINE AVE
Boston, MA 02215

Reassigned Medicare billing, Massachusetts enrollment
2,579 clinicians in this Medicare group

NPI 1194765438 (617) 754-9600

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 20

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

293 services252 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

67 services45 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 93294

This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.

52 services25 patients

Insertion of catheters and destruction of tissue to treat abnormal heart rhythm 93655

This procedure involves placing small tubes (catheters) into your heart via a blood vessel. These catheters emit energy that corrects irregular heartbeats by eliminating the problematic heart tissue. It's a common, minimally invasive method to treat abnormal heart rhythms.

43 services31 patients

Programming of dual lead pacemaker system 93280

Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.

41 services40 patients

Comprehensive electrophysiologic evaluation with catheter destruction of abnormality causing atrial fibrillation (uncoordinated contraction of upper chambers of heart) by pulmonary vein isolation 93656

This is a procedure to treat atrial fibrillation, a condition causing irregular heartbeats. It involves a detailed heart evaluation using electrophysiology. A catheter is then used to destroy the problematic area causing the issue. Specifically, isolation of the pulmonary vein is done to regulate the heartbeat.

40 services39 patients

Destruction of tissue of upper heart chamber through tube to treat abnormal heart rhythm 93657

This procedure involves using a tube, or catheter, to access your upper heart chamber. Special tools are then used to destroy a small area of heart tissue causing abnormal rhythm. This helps reset your heart's regular rhythm, improving heart function.

39 services31 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

39 services38 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

31 services31 patients

Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 93295

This procedure involves remotely monitoring your implantable defibrillator system, which can have single, dual, or multiple leads. Over a period of up to 90 days, the system's performance is evaluated to ensure it's working properly and providing the necessary heart rhythm support.

25 services13 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

24 services22 patients

External shock to heart to regulate heart beat 92960

This procedure, known as cardioversion, uses an external electrical shock to restore your heart's normal rhythm. It's typically performed when irregular heartbeats, or arrhythmias, are causing severe symptoms and aren't responding to medications.

23 services23 patients

Heart rhythm review and interpretation of continous external ekg over 8-15 days 93248

This service involves wearing a device for 8-15 days that continuously records your heart's electrical activity. It helps in identifying irregular heart rhythms. The recorded data is then reviewed and interpreted by a healthcare professional for any abnormalities.

22 services22 patients

Insertion of pacemaker and upper and lower heart chamber electrode 33208

A pacemaker insertion is a procedure where a small device, called a pacemaker, is implanted under your skin. This device uses electrical pulses to prompt the heart to beat at a normal rate. Electrodes are placed in the upper and lower chambers of your heart to help regulate your heartbeat.

20 services20 patients

Programming of dual lead implantable defibrillator system 93283

Programming of a dual lead implantable defibrillator system involves adjusting settings on a device implanted in your chest. This device monitors your heart rhythm and delivers electrical pulses to correct irregular heartbeats, helping maintain a healthy heart rhythm.

17 services15 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

17 services17 patients

Programming of multiple lead implantable defibrillator system 93284

Programming of a multiple lead implantable defibrillator system involves adjusting settings on your implanted device to help control irregular heart rhythms. The process is non-invasive and helps ensure optimal device performance for maintaining heart health.

15 services11 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

15 services15 patients

Ultrasound evaluation of heart blood vessel with review by radiologist 93662

This is a noninvasive procedure using sound waves to capture images of your heart's blood vessels. A radiologist, an expert in interpreting these images, will review the results to check for any abnormalities. This helps to monitor your heart health.

12 services11 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Beth Israel Deaconess Hospital Plymouth

Acute Care Hospitals · Plymouth, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220060

Location275 Sandwich StreetPlymouth, MA 02360 · Plymouth County

Emergency services Birthing friendly

Beth Israel Deaconess Hospital - Needham

Acute Care Hospitals · Needham, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220083

Location148 Chestnut StreetNeedham, MA 02494 · Norfolk County

Emergency services

Beth Israel Deaconess Medical Center

Acute Care Hospitals · Boston, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220086

Location330 Brookline AvenueBoston, MA 02215 · Suffolk County

Emergency services Birthing friendly

Beth Israel Deaconess Hospital - Milton

Acute Care Hospitals · Milton, MA

4/5 CMS rating

OwnershipGovernment - Federal

CMS Certification Number220108

Location199 Reedsdale RoadMilton, MA 02186 · Norfolk County

Emergency services

Metrowest Medical Center

Acute Care Hospitals · Framingham, MA

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220175

Location115 Lincoln StreetFramingham, MA 01701 · Middlesex County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02215 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.

Other Providers at the Same Location NPPES 3

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

MICHAEL MI MD

Internal Medicine (Cardiovascular Disease)

185 PILGRIM RD FL BAKER4
BOSTON, MA 02215

Suffolk County (617) 667-8800

TALAL AL-OTAIBI MD

Internal Medicine (Magnetic Resonance Imaging (MRI))

185 PILGRIM RD FL BAKER4
BOSTON, MA 02215

Suffolk County (617) 667-8800

ADAM T PHILLIPS M.D.

Internal Medicine (Cardiovascular Disease)

185 PILGRIM RD FL BAKER4
BOSTON, MA 02215

Suffolk County (617) 667-8800

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 Timothy Maher's NPI number?

The NPI number for Timothy Maher is 1912396607. It was assigned to this individual provider in the NPPES registry on January 18, 2015.

Where is Timothy Maher located?

Timothy Maher practices at 185 Pilgrim Rd Fl Baker4, Boston, MA 02215. The listed phone number is (617) 667-8800.

What is Timothy Maher's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Is Timothy Maher enrolled in Medicare?

Yes. Timothy 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.

Which organization bills Medicare for Timothy Maher's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Maher reassigns Medicare benefits to Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, 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 Timothy Maher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Timothy Maher accept?

Health plans from Taro Health list Timothy Maher 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 Timothy Maher affiliated with any hospitals?

According to CMS data, Timothy Maher is affiliated with Beth Israel Deaconess Hospital Plymouth, Beth Israel Deaconess Hospital - Needham, Beth Israel Deaconess Medical Center, Beth Israel Deaconess Hospital - Milton and Metrowest Medical Center.

When was this NPI record last updated?

The NPPES record for Timothy Maher was last updated on August 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.