Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. ELIZABETH LODER MD
NPI 1881684157
Internal Medicine in Boston, MA

Active since October 26, 2005PECOS Enrolled
125 NASHUA ST, BOSTON, MA 02114(615) 573-2493(617) 573-7119 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Elizabeth Loder Md NPPES

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

DR. ELIZABETH LODER MD (NPI 1881684157) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (58787) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS, is affiliated with Faulkner Hospital-brigham And Women's, and is a graduate of University Of North Dakota School Of Medicine (1985).

NPPES Registry Identity

NPI1881684157
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. ELIZABETH LODERCredential: MD
Location Address125 NASHUA STBoston, MA 02114-1101
Mailing AddressPo Box 9142Charlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Fax(617) 573-7119
Sole ProprietorNo
Medical School CMSUniversity Of North Dakota School Of MedicineGraduated 1985
Enumeration DateOctober 26, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1881684157 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 · 58787
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.

125 NASHUA ST, Boston, MA 02114

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. Elizabeth Loder 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 ID9234196726
PECOS Enrollment IDI20041216000311
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 2

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 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.
24 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.
20 services15 patients

Hospital Affiliations CMS Care Compare

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

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 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.

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.

Clinical Neuropsychologist
125 NASHUA ST
BOSTON, MA 02114
Physical Medicine & Rehabilitation (Pain Medicine)
125 NASHUA ST
BOSTON, MA 02114
Psychologist
125 NASHUA ST
BOSTON, MA 02114
Pediatrics
125 NASHUA ST, SPAULDING REHAB HOSPITAL
BOSTON, MA 02114
Clinical Neuropsychologist
125 NASHUA ST
BOSTON, MA 02114
Clinical Neuropsychologist
125 NASHUA ST
BOSTON, MA 02114
Occupational Therapist
125 NASHUA ST
BOSTON, MA 02114
Physical Therapist
125 NASHUA ST
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 Elizabeth Loder's NPI number?

The NPI number for Elizabeth Loder is 1881684157. It was assigned to this individual provider in the NPPES registry on October 26, 2005.

Where is Elizabeth Loder located?

Elizabeth Loder practices at 125 Nashua St, Boston, MA 02114. The listed phone number is (615) 573-2493.

What is Elizabeth Loder's specialty?

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

Is Elizabeth Loder enrolled in Medicare?

Yes. Elizabeth Loder 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 Elizabeth Loder affiliated with any hospitals?

According to CMS data, Elizabeth Loder is affiliated with Faulkner Hospital-Brigham And Women's.

When was this NPI record last updated?

The NPPES record for Elizabeth Loder was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.