ERIC JAMES NILLES MD
NPI 1124007109
Emergency Medicine - Emergency Medical Services in Boston, MA

Active since January 10, 2006PECOS EnrolledAccepts Medicare Assignment
75 FRANCIS ST, BOSTON, MA 02115(781) 995-7077 Get Directions Write a Review

NPPES record last updated: November 29, 2018. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Eric James Nilles Md NPPES

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

ERIC JAMES NILLES MD (NPI 1124007109) is an individual emergency medical services provider in Boston, Massachusetts, licensed in Massachusetts (270618) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and maintains a secondary practice location in Iowa City.

NPPES Registry Identity

NPI1124007109
Entity TypeIndividualMale
Primary Taxonomy207PE0004X
Provider Legal NameERIC JAMES NILLESCredential: MD
Location Address75 FRANCIS STBoston, MA 02115-6106
Mailing Address43 Hancock StLexington, MA 02420-3433 · (781) 995-7077
Sole ProprietorNo
Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 2000
Enumeration DateJanuary 10, 2006
Last NPPES UpdateNovember 29, 2018
NPI 1124007109 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency Medicine · Emergency Medical ServicesAllopathic & Osteopathic Physicians
Taxonomy Code207PE0004X
License Licensed in MA · 270618
Definition

An emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehicle, etc.) to provide pre-hospital assessment, treatment, and transport patients.

75 FRANCIS ST, Boston, MA 02115

Secondary Practice Location 1

Location 1200 Hawkins DrIowa City, IA 52242-1009 · Phone (319) 356-6360 · Fax (319) 384-9184

Other Identifiers 2

Medicaid0443473IA
Other36963IA · Wellmark Bcbs

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

Eric James Nilles 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 ID5597733527
PECOS Enrollment IDI20170814000812
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 6

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
224 services223 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
60 services59 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.
25 services25 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
14 services14 patients
Ultrasound of heart, follow-up 93308
A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.
12 services12 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

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 02115 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
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.

Internal Medicine (Pulmonary Disease)
75 FRANCIS ST, BRIGHAM & WOMEN'S HOSPITAL, PULMONARY & CRITICAL CARE
BOSTON, MA 02115
Anesthesiology
75 FRANCIS ST, DEPARTMENT OF ANESTHESIOLOGY CWN L2
BOSTON, MA 02115
Physician Assistant
75 FRANCIS ST
BOSTON, MA 02115
Radiology (Diagnostic Radiology)
75 FRANCIS ST
BOSTON, MA 02115
Radiology (Diagnostic Radiology)
75 FRANCIS ST, RADIOLOGY, BRIGHAM AND WOMEN'S HOSPITAL
BOSTON, MA 02115
Internal Medicine (Pulmonary Disease)
75 FRANCIS ST, PULMONARY DIVISION BRIGHAM AND WOMEN'S HOSPITAL
BOSTON, MA 02115
Obstetrics & Gynecology (Gynecologic Oncology)
75 FRANCIS ST, BRIGHAM AND WOMEN'S HOSPITAL
BOSTON, MA 02115
Thoracic Surgery (Cardiothoracic Vascular Surgery)
75 FRANCIS ST
BOSTON, MA 02115

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 Eric Nilles's NPI number?

The NPI number for Eric Nilles is 1124007109. It was assigned to this individual provider in the NPPES registry on January 10, 2006.

Where is Eric Nilles located?

Eric Nilles practices at 75 Francis St, Boston, MA 02115. The listed phone number is (781) 995-7077.

What is Eric Nilles's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.

Is Eric Nilles enrolled in Medicare?

Yes. Eric Nilles 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 Eric Nilles affiliated with any hospitals?

According to CMS data, Eric Nilles is affiliated with Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.

When was this NPI record last updated?

The NPPES record for Eric Nilles was last updated on November 29, 2018. NPI Profile syncs with the weekly NPPES data releases published by CMS.