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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.

DR. TONG-YAN CHEN MD
NPI 1477526788
Anesthesiology in Boston, MA

Active since February 08, 2006PECOS Enrolled
55 FRUIT ST CLN 309, ANESTHESIA ASSOCIATES, BOSTON, MA 02114(617) 726-3030(617) 726-8500 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Tong-yan Chen Md NPPES

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

DR. TONG-YAN CHEN MD (NPI 1477526788) is an individual anesthesiology provider in Boston, Massachusetts, licensed in Massachusetts (209516) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Other (1988).

NPPES Registry Identity

NPI1477526788
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. TONG-YAN CHENCredential: MD
Location Address55 FRUIT ST CLN 309, ANESTHESIA ASSOCIATESBoston, MA 02114-2696
Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Phone(617) 726-3030
Fax(617) 726-8500
Sole ProprietorNo
Medical School CMSOtherGraduated 1988
Enumeration DateFebruary 8, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1477526788 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in MA · 209516
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
55 FRUIT ST CLN 309, Boston, MA 02114
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Other Identifiers 3

Other209516MA · Tufts Health Plan
Medicaid0146382MA
OtherJ23678MA · Bcbs Ma

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. Tong-yan Chen 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 ID6406042969
PECOS Enrollment IDI20101123000263
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.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
42 services42 patients
Anesthesia for other closed procedure on chest 00520
Anesthesia for a closed chest procedure involves the use of medications to block sensation, ensuring you don't feel pain during the procedure. It can be general (you're asleep) or regional (part of your body is numbed). This helps maintain comfort and safety.
29 services29 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
17 services17 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
15 services15 patients
Anesthesia for procedure on chest with 1 lung inflated 00541
This procedure involves using anesthesia to ensure you feel no pain during a chest procedure where only one lung is inflated. It's a specialized technique that allows doctors to operate on one lung while the other continues to provide oxygen.
14 services14 patients
Anesthesia for other procedure on upper abdomen 00790
Anesthesia for an upper abdomen procedure involves using medications to help you feel no pain during the operation. It can be general, where you're unconscious, or regional, where just the abdomen area is numbed. It ensures comfort and stillness, aiding a successful procedure.
13 services13 patients

Hospital Affiliations CMS Care Compare

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

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 Tong-yan Chen's NPI number?

The NPI number for Tong-yan Chen is 1477526788. It was assigned to this individual provider in the NPPES registry on February 8, 2006.

Where is Tong-yan Chen located?

Tong-yan Chen practices at 55 Fruit St Cln 309 Anesthesia Associates, Boston, MA 02114. The listed phone number is (617) 726-3030.

What is Tong-yan Chen's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Tong-yan Chen enrolled in Medicare?

Yes. Tong-yan Chen 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 Tong-yan Chen affiliated with any hospitals?

According to CMS data, Tong-yan Chen is affiliated with Massachusetts General Hospital.

When was this NPI record last updated?

The NPPES record for Tong-yan Chen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 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.