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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

NATALIE ANNE JANSEN MD
NPI 1356920318
Emergency Medicine in Boston, MA

Active since April 06, 2021PECOS Enrolled

NPPES record last updated: August 30, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 30, 2026, Aug 18, 2026, Apr 6, 2021 (3 updates tracked since 2021).

About Natalie Anne Jansen Md NPPES

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

NATALIE ANNE JANSEN MD (NPI 1356920318) is an individual emergency medicine provider in Boston, Massachusetts, licensed in Massachusetts (1018365) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and maintains a secondary practice location in Boston.

NPPES Registry Identity

NPI1356920318
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameNATALIE ANNE JANSENCredential: MD
Location Address75 FRUIT STBoston, MA 02114-2621
Mailing Address330 Brookline AveBoston, MA 02215-5491 · (617) 667-7000
Phone(617) 724-4100
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2021
Enumeration DateApril 6, 2021
Last NPPES UpdateAugust 30, 20263 updates tracked since enumeration
NPPES CertifiedAugust 30, 2026
✔ NPI 1356920318 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 · 1018365
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.
75 FRUIT ST, Boston, MA 02114
Open in Google Maps ↗

Secondary Practice Location 1

Location 1330 Brookline AveBoston, MA 02215-5491 · Phone (617) 667-7000

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

Natalie Anne Jansen 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 ID2365989647
PECOS Enrollment IDI20240805001085
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 5

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.
185 services185 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
136 services131 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.
48 services48 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.
41 services41 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.
14 services14 patients

Hospital Affiliations CMS Care Compare 4

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

Mount Auburn Hospital

Acute Care Hospitals · Cambridge, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220002
Location330 Mount Auburn StreetCambridge, MA 02138 · Middlesex County
Emergency services Birthing friendly

Umass Memorial Health - Harrington Hospital

Acute Care Hospitals · Southbridge, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220019
Location100 South StreetSouthbridge, MA 01550 · Worcester County
Emergency services

Beth Israel Deaconess Hospital - Needham

Acute Care Hospitals · Needham, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220083
Location148 Chestnut StreetNeedham, MA 02494 · Norfolk County
Emergency services

Beth Israel Deaconess Medical Center

Acute Care Hospitals · Boston, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220086
Location330 Brookline AvenueBoston, MA 02215 · Suffolk County
Emergency services Birthing friendly

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
$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 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. CHRISTOPHER JAMES MORAN MD
Pediatrics (Pediatric Gastroenterology)
75 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 726-2066
MICHAEL GERARD MURRAY MD
Internal Medicine (Pulmonary Disease)
75 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 732-5500
EMILY NICOLE MARIE DOWMAN PA-C
Physician Assistant
75 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 525-9213
MS. AMY KING PA-C
Physician Assistant (Medical)
75 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 726-8523

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 Natalie Jansen's NPI number?

The NPI number for Natalie Jansen is 1356920318. It was assigned to this individual provider in the NPPES registry on April 6, 2021.

Where is Natalie Jansen located?

Natalie Jansen practices at 75 Fruit St, Boston, MA 02114. The listed phone number is (617) 724-4100.

What is Natalie Jansen's specialty?

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

Is Natalie Jansen enrolled in Medicare?

Yes. Natalie Jansen 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 Natalie Jansen affiliated with any hospitals?

According to CMS data, Natalie Jansen is affiliated with Mount Auburn Hospital, Umass Memorial Health - Harrington Hospital, Beth Israel Deaconess Hospital - Needham and Beth Israel Deaconess Medical Center.

When was this NPI record last updated?

The NPPES record for Natalie Jansen was last updated on August 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days 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.