DR. WILLIAM TIMOTHY LESTER MD
NPI 1316920184
Internal Medicine in Boston, MA

Active since November 25, 2005PECOS EnrolledAccepts Medicare Assignment
15 PARKMAN ST, WACC 6TH FLOOR INTERNAL MEDICINE ASSOCIATES, BOSTON, MA 02114(617) 726-2707(617) 724-2814 Get Directions Write a Review

NPPES record last updated: April 1, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. William Timothy Lester Md NPPES

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

DR. WILLIAM TIMOTHY LESTER MD (NPI 1316920184) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (203104) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and is a graduate of University Of Texas Medical School At Houston (1997).

NPPES Registry Identity

NPI1316920184
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. WILLIAM TIMOTHY LESTERCredential: MD
Location Address15 PARKMAN ST, WACC 6TH FLOOR INTERNAL MEDICINE ASSOCIATESBoston, MA 02114-3117
Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-8481
Fax(617) 724-2814
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical School At HoustonGraduated 1997
Enumeration DateNovember 25, 2005
Last NPPES UpdateApril 1, 2011
NPI 1316920184 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 · 203104
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.
15 PARKMAN ST, Boston, MA 02114

Other Identifiers 5

OtherJ22764MA · Bcbs Ma
Medicare ID-Type UnspecifiedA31394MA
Medicaid0122963MA
Medicare UPINH23883
Other203104MA · Tufts Health Plan

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

Dr. William Timothy Lester 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 ID2668550658
PECOS Enrollment IDI20080416000185
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 5

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.
294 services203 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.
52 services38 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.
51 services49 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
21 services16 patients
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.
14 services14 patients

Hospital Affiliations CMS Care Compare 5

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

North Shore Medical Center -

Acute Care Hospitals · Salem, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220035
Location81 Highland AvenueSalem, MA 01970 · Essex County
Emergency services Birthing friendly

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

Massachusetts Eye And Ear Infirmary -

Acute Care Hospitals · Boston, MA
OwnershipVoluntary non-profit - Private
CMS Certification Number220075
Location243 Charles StreetBoston, MA 02114 · Suffolk County
Emergency services

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 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 10

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
8 suppliers12 claims28 services$4.25 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
5 suppliers14 claims14 services$36.39 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
4 suppliers19 claims19 services$83.92 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
4 suppliers18 claims47 services$30.85 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
6 suppliers13 claims13 services$46.06 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
7 suppliers16 claims16 services$16.10 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 (Adult Health)
15 PARKMAN ST, WAC 440
BOSTON, MA 02114
Physical Therapist
15 PARKMAN ST
BOSTON, MA 02114
Psychiatry & Neurology (Geriatric Psychiatry)
15 PARKMAN ST, PSYCHIATRY OUTPATIENT DEPARTMENT WAC 812
BOSTON, MA 02114
Physical Therapist (Neurology)
15 PARKMAN ST, ROOM 134
BOSTON, MA 02114
Physical Therapist
15 PARKMAN ST
BOSTON, MA 02114
Physical Therapist
15 PARKMAN ST, WACC 134
BOSTON, MA 02114
Physical Therapist
15 PARKMAN ST
BOSTON, MA 02114
Psychiatry & Neurology (Psychiatry)
15 PARKMAN ST, WAC 8 PSYCHIATRY OUTPATIENT DEPARTMENT
BOSTON, MA 02114

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 Lester's NPI number?

The NPI number for William Lester is 1316920184. It was assigned to this individual provider in the NPPES registry on November 25, 2005.

Where is William Lester located?

William Lester practices at 15 Parkman St Wacc 6th Floor Internal Medicine Associates, Boston, MA 02114. The listed phone number is (617) 726-2707.

What is William Lester's specialty?

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

Is William Lester enrolled in Medicare?

Yes. William Lester 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 William Lester accept?

Health plans from Anthem Blue Cross and Blue Shield list William Lester 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 William Lester affiliated with any hospitals?

According to CMS data, William Lester is affiliated with North Shore Medical Center -, Massachusetts General Hospital, Massachusetts Eye And Ear Infirmary -, Newton-Wellesley Hospital and Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for William Lester was last updated on April 1, 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.