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DR. KEENAN MAHAN MD, MBA
NPI 1104387158
Emergency Medicine in Newton, MA

Active since March 30, 2019PECOS EnrolledAccepts Medicare Assignment
2014 WASHINGTON ST, NEWTON, MA 02462(617) 243-6193 Get Directions Write a Review

NPPES record last updated: November 4, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Keenan Mahan Md, Mba NPPES

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

DR. KEENAN MAHAN MD, MBA (NPI 1104387158) is an individual emergency medicine provider in Newton, Massachusetts, licensed in Massachusetts (290245) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and is a graduate of Harvard Medical School (2019).

NPPES Registry Identity

NPI1104387158
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. KEENAN MAHANCredential: MD, MBA
Location Address2014 WASHINGTON STNewton, MA 02462-1607
Mailing Address2014 Washington StNewton, MA 02462-1607
Phone(617) 243-6193
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 2019
Enumeration DateMarch 30, 2019
Last NPPES UpdateNovember 4, 2024
NPPES CertifiedNovember 4, 2024
✔ NPI 1104387158 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MA · 290245
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
2014 WASHINGTON ST, Newton, MA 02462
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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. Keenan Mahan Md, Mba 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 ID2062742059
PECOS Enrollment IDI20230531001998
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 9

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.
523 services510 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.
90 services90 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.
89 services89 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.
72 services71 patients
Ultrasound scan of chest 76604
An ultrasound scan of the chest is a non-invasive imaging procedure that uses sound waves to create pictures of the structures within your chest, such as your heart and lungs. It's a safe, painless method that helps doctors diagnose and monitor various conditions.
35 services34 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
18 services18 patients

Hospital Affiliations CMS Care Compare

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02462 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.

DR. ANDREA L RUSSO M.D.
Radiology (Radiation Oncology)
2014 WASHINGTON ST
NEWTON, MA 02462
Middlesex County (617) 219-1200
MAUREEN LAVELLE LICSW
Social Worker (Clinical)
2014 WASHINGTON ST
NEWTON, MA 02462
Middlesex County (617) 243-6664
SHALYNN DOHERTY
Physician Assistant
2014 WASHINGTON ST
NEWTON, MA 02462
Middlesex County (617) 831-7100
MR. KEVIN YAN KOENDERS PA-C
Physician Assistant (Surgical)
2014 WASHINGTON ST, DEPARTMENT OF ORTHOPEDICS
NEWTON, MA 02462
Middlesex County (617) 219-1674
NATHAN DANIEL BUCKLEY PA-C
Physician Assistant (Surgical)
2014 WASHINGTON ST
NEWTON, MA 02462
Middlesex County (617) 243-6000
DR. RONALD KENNETH PYE M.D.
Pediatrics (Neonatal-Perinatal Medicine)
2014 WASHINGTON ST, SCN 6 NORTH
NEWTON, MA 02462
Middlesex County (617) 243-6296
DR. TODD EARL ABBOTT M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
2014 WASHINGTON ST, NEWTON-WELLESLEY HOSPITAL
NEWTON, MA 02462
Middlesex County (434) 964-1637
DIANE MARIE POULIN RN,NP
Nurse Practitioner (Adult Health)
2014 WASHINGTON ST, NEWTON WELLESLEY HOSPITAL DEPT. OF ANESTHESIA
NEWTON, MA 02462
Middlesex County (617) 243-6298

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 Keenan Mahan's NPI number?

The NPI number for Keenan Mahan is 1104387158. It was assigned to this individual provider in the NPPES registry on March 30, 2019.

Where is Keenan Mahan located?

Keenan Mahan practices at 2014 Washington St, Newton, MA 02462. The listed phone number is (617) 243-6193.

What is Keenan Mahan's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Keenan Mahan enrolled in Medicare?

Yes. Keenan Mahan 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 Keenan Mahan affiliated with any hospitals?

According to CMS data, Keenan Mahan is affiliated with North Shore Medical Center -.

When was this NPI record last updated?

The NPPES record for Keenan Mahan was last updated on November 4, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.