DR. ARIELLE LYON LANGER MD, MPH
NPI 1235405309
Internal Medicine - Hematology in Boston, MA

Active since March 22, 2012PECOS EnrolledAccepts Medicare Assignment
75 FRANCIS ST, BOSTON, MA 02115(617) 732-5840(617) 732-5706 Get Directions Write a Review

NPPES record last updated: June 19, 2019. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Arielle Lyon Langer Md, Mph NPPES

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

DR. ARIELLE LYON LANGER MD, MPH (NPI 1235405309) is an individual hematology provider in Boston, Massachusetts, licensed in Massachusetts (278124) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Columbia University College Of Physicians And Surgeons (2012).

NPPES Registry Identity

NPI1235405309
Entity TypeIndividualFemale
Primary Taxonomy207RH0000X
Provider Legal NameDR. ARIELLE LYON LANGERCredential: MD, MPH
Location Address75 FRANCIS STBoston, MA 02115-6106
Mailing Address75 Francis StBoston, MA 02115-6106 · (617) 732-5840 · Fax (617) 732-5706
Fax(617) 732-5706
Sole ProprietorNo
Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 2012
Enumeration DateMarch 22, 2012
Last NPPES UpdateJune 19, 2019
NPI 1235405309 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · HematologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0000X
License Licensed in MA · 278124
Definition

An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.

Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License 278124 (MA)
75 FRANCIS ST, Boston, MA 02115

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. Arielle Lyon Langer Md, Mph 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 ID2163735077
PECOS Enrollment IDI20190702002118
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 8

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.

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 services22 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.
48 services39 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
32 services32 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 services19 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.
22 services21 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.
20 services19 patients

Hospital Affiliations CMS Care Compare 4

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

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 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
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
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 (Gastroenterology)
75 FRANCIS ST
BOSTON, MA 02115
Neurological Surgery
75 FRANCIS ST
BOSTON, MA 02115
Student in an Organized Health Care Education/Training Program
75 FRANCIS ST
BOSTON, MA 02115
Radiology (Diagnostic Radiology)
75 FRANCIS ST, DEPARTMENT OF RADIOLOGY
BOSTON, MA 02115
Surgery (Vascular Surgery)
75 FRANCIS ST, BRIGHAM AND WOMEN'S HOSPITAL
BOSTON, MA 02115
Internal Medicine (Infectious Disease)
75 FRANCIS ST
BOSTON, MA 02115
Emergency Medicine
75 FRANCIS ST, BWH DEPT. OF EMERGENCY MEDICINE
BOSTON, MA 02115
Physician Assistant
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 Arielle Langer's NPI number?

The NPI number for Arielle Langer is 1235405309. It was assigned to this individual provider in the NPPES registry on March 22, 2012.

Where is Arielle Langer located?

Arielle Langer practices at 75 Francis St, Boston, MA 02115. The listed phone number is (617) 732-5840.

What is Arielle Langer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.

Is Arielle Langer enrolled in Medicare?

Yes. Arielle Langer 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 Arielle Langer accept?

Health plans from Anthem Blue Cross and Blue Shield list Arielle Langer 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 Arielle Langer affiliated with any hospitals?

According to CMS data, Arielle Langer is affiliated with Massachusetts General Hospital, 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 Arielle Langer was last updated on June 19, 2019. NPI Profile syncs with the weekly NPPES data releases published by CMS.