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MARK WILLIAM JOHNSON MD
NPI 1316436793
Internal Medicine in Cambridge, MA

Active since May 01, 2018PECOS EnrolledAccepts Medicare Assignment
330 MOUNT AUBURN ST, CAMBRIDGE, MA 02138(617) 492-3500 Get Directions Write a Review

NPPES record last updated: June 21, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 21, 2024, Aug 20, 2018, May 1, 2018 (3 updates tracked since 2018).

About Mark William Johnson Md NPPES

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

MARK WILLIAM JOHNSON MD (NPI 1316436793) is an individual internal medicine provider in Cambridge, Massachusetts, licensed in Massachusetts (276370) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and is a graduate of University Of Minnesota Medical School (2018).

NPPES Registry Identity

NPI1316436793
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMARK WILLIAM JOHNSONCredential: MD
Location Address330 MOUNT AUBURN STCambridge, MA 02138
Mailing Address330 Mount Auburn StCambridge, MA 02138-5597 · (617) 492-3500
Phone(617) 492-3500
Sole ProprietorNo
Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 2018
Enumeration DateMay 1, 2018
Last NPPES UpdateJune 21, 20243 updates tracked since enumeration
NPPES CertifiedJune 21, 2024
✔ NPI 1316436793 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 276370
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.
Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X · License 33075 (NH)
330 MOUNT AUBURN ST, Cambridge, MA 02138
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of North Dakota.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

Mark William Johnson 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 ID4789931460
PECOS Enrollment IDI20240708002795, I20240717000906
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.

X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
99 services95 patients
Screening 3d breast mammography 77063
Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.
64 services64 patients
Screening mammography 77067
Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.
64 services64 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
56 services56 patients
Ct scan of abdomen and pelvis with contrast 74177
A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.
22 services22 patients
Ct scan of chest with contrast 71260
A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.
17 services17 patients

Hospital Affiliations CMS Care Compare 5

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

Mary Hitchcock Memorial Hospital

Acute Care Hospitals · Lebanon, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300003
Location1 Medical Center DriveLebanon, NH 03756 · Grafton County
Emergency services Birthing friendly

New London Hospital

Critical Access Hospitals · New London, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number301304
Location273 County RoadNew London, NH 03257 · Merrimack County
Emergency services

Alice Peck Day Memorial Hospital

Critical Access Hospitals · Lebanon, NH
OwnershipVoluntary non-profit - Private
CMS Certification Number301305
Location10 Alice Peck Day DriveLebanon, NH 03766 · Grafton County
Emergency services

Copley Hospital

Critical Access Hospitals · Morrisville, VT
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number471305
Location528 Washington HighwayMorrisville, VT 05661 · Lamoille County
Emergency services

Springfield Hospital

Critical Access Hospitals · Springfield, VT
OwnershipVoluntary non-profit - Private
CMS Certification Number471306
LocationPO Box 2003Springfield, VT 05156 · Windsor County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02138 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.

MR. MIGUEL ANGEL PAZ PA-C
Physician Assistant (Surgical)
330 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 499-3500
DR. ALAAELDIN AHMED MD
Student in an Organized Health Care Education/Training Program
330 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 492-3500
DR. JANE R. SHARP MD
Obstetrics & Gynecology
330 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 499-5151
DR. LAURA NEED MD
Pediatrics (Pediatric Cardiology)
330 MOUNT AUBURN ST, NEWBORN SERVICES
CAMBRIDGE, MA 02138
Middlesex County (617) 499-5595
DR. VALERIE PRONIO-STELLUTO MD
Internal Medicine
330 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 499-5140
DR. BENJAMIN KERMAN MD
Emergency Medicine
330 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 499-5025
ANAESTHESIA ASSOCIATES OF MASSACHUSETTS, PC
Anesthesiology
330 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 499-5075
PAVLINA CHRYSAFI
Student in an Organized Health Care Education/Training Program
330 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 492-3500

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 Mark Johnson's NPI number?

The NPI number for Mark Johnson is 1316436793. It was assigned to this individual provider in the NPPES registry on May 1, 2018.

Where is Mark Johnson located?

Mark Johnson practices at 330 Mount Auburn St, Cambridge, MA 02138. The listed phone number is (617) 492-3500.

What is Mark Johnson's specialty?

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

Is Mark Johnson enrolled in Medicare?

Yes. Mark Johnson 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 Mark Johnson accept?

Health plans from Anthem Blue Cross and Blue Shield and Blue Cross Blue Shield of North Dakota list Mark Johnson 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 Mark Johnson affiliated with any hospitals?

According to CMS data, Mark Johnson is affiliated with Mary Hitchcock Memorial Hospital, New London Hospital, Alice Peck Day Memorial Hospital, Copley Hospital and Springfield Hospital.

When was this NPI record last updated?

The NPPES record for Mark Johnson was last updated on June 21, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.