DR. TERRY ALBERT MARRYSHOW M.D
NPI 1720439177
Internal Medicine - Infectious Disease in Boston, MA

Active since June 27, 2016PECOS EnrolledAccepts Medicare Assignment
800 WASHINGTON ST, BOSTON, MA 02111(617) 636-5000 Get Directions Write a Review

NPPES record last updated: February 17, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 17, 2025, Feb 18, 2022, Jul 30, 2021 and 4 more (7 updates tracked since 2016).

About Dr. Terry Albert Marryshow M.d NPPES

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

DR. TERRY ALBERT MARRYSHOW M.D (NPI 1720439177) is an individual infectious disease provider in Boston, Massachusetts, licensed in Massachusetts (1017448) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Tufts Medical Center, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1720439177
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDR. TERRY ALBERT MARRYSHOWCredential: M.D
Location Address800 WASHINGTON STBoston, MA 02111-1552
Mailing Address800 Washington StBoston, MA 02111-1552 · (617) 636-7010 · Fax (617) 636-7100
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateJune 27, 2016
Last NPPES UpdateFebruary 17, 20257 updates tracked since enumeration
NPPES CertifiedFebruary 17, 2025
NPI 1720439177 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Licenses Licensed in MA · 1017448 Licensed in RI · MD17315
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
Also ListedInternal MedicineTaxonomy 207R00000X · License MD17315 (RI)
800 WASHINGTON ST, Boston, MA 02111

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. Terry Albert Marryshow M.d 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 ID5597099978
PECOS Enrollment IDI20250103000062
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 3

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.

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.
53 services28 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.
16 services12 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.
16 services15 patients

Hospital Affiliations CMS Care Compare

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

Tufts Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220116
Location800 Washington StreetBoston, MA 02111 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02111 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.

Internal Medicine (Gastroenterology)
800 WASHINGTON ST, BOX 233
BOSTON, MA 02111
Technician/Technologist (Optician)
800 WASHINGTON ST, BOX 450
BOSTON, MA 02111
Plastic Surgery
800 WASHINGTON ST
BOSTON, MA 02111
Internal Medicine
800 WASHINGTON ST
BOSTON, MA 02111
Internal Medicine (Infectious Disease)
800 WASHINGTON ST
BOSTON, MA 02111
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111
Psychiatry & Neurology (Psychiatry)
800 WASHINGTON ST
BOSTON, MA 02111
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111

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 Terry Marryshow's NPI number?

The NPI number for Terry Marryshow is 1720439177. It was assigned to this individual provider in the NPPES registry on June 27, 2016.

Where is Terry Marryshow located?

Terry Marryshow practices at 800 Washington St, Boston, MA 02111. The listed phone number is (617) 636-5000.

What is Terry Marryshow's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Terry Marryshow enrolled in Medicare?

Yes. Terry Marryshow 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 Terry Marryshow accept?

Health plans from Anthem Blue Cross and Blue Shield list Terry Marryshow 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 Terry Marryshow affiliated with any hospitals?

According to CMS data, Terry Marryshow is affiliated with Tufts Medical Center.

When was this NPI record last updated?

The NPPES record for Terry Marryshow was last updated on February 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.