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TIMOTHY PORTER M.D.
NPI 1144581778
Pediatrics in Boston, MA

Active since May 30, 2012PECOS Enrolled
800 WASHINGTON ST, BOX #286, BOSTON, MA 02111(617) 636-6432(617) 636-8391 Get Directions Write a Review

NPPES record last updated: June 15, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Timothy Porter M.d. NPPES

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

TIMOTHY PORTER M.D. (NPI 1144581778) is an individual pediatrics provider in Boston, Massachusetts, licensed in Rhode Island (LP02490) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144581778
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameTIMOTHY PORTERCredential: M.D.
Location Address800 WASHINGTON ST, BOX #286Boston, MA 02111-1552
Mailing Address800 Washington St, Box #286Boston, MA 02111-1552 · (617) 636-6432 · Fax (617) 636-8391
Phone(617) 636-6432
Fax(617) 636-8391
Sole ProprietorYes
Enumeration DateMay 30, 2012
Last NPPES UpdateJune 15, 2015
✔ NPI 1144581778 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in RI · LP02490
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
800 WASHINGTON ST, Boston, MA 02111
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Timothy Porter M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

2

Medicare enrollment records show Timothy Porter reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pratt Pediatric Associates Inc
Same address
Pediatrics
800 WASHINGTON ST, BOX 1013
Boston, MA 02111
  • Reassigned Medicare billing, Massachusetts enrollment
  • 202 clinicians in this Medicare group
NPI 1477590511 (617) 636-5000
Brigham & Womens Physicians Organization Inc
2.4 mi
Internal Medicine
75 FRANCIS ST
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 4,574 clinicians in this Medicare group
NPI 1033535497 (617) 732-5500

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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
$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.

AARON DICKSTEIN M.D.
Internal Medicine (Gastroenterology)
800 WASHINGTON ST, BOX 233
BOSTON, MA 02111
Suffolk County (617) 636-5883
THOMAS E BIGELOW
Technician/Technologist (Optician)
800 WASHINGTON ST, BOX 450
BOSTON, MA 02111
Suffolk County (617) 636-5857
SARAH MERRIMAN PERSING M.D.
Plastic Surgery
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5000
DR. SHARANYA MOHANTY M.D.
Internal Medicine
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5000
AFRAH SADIQ SAIT MOHAMMED M.D.
Internal Medicine (Infectious Disease)
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (718) 629-7204
ADNAN SALIM QAMAR MD
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5829
ALICIA SIGIA WU MD
Psychiatry & Neurology (Psychiatry)
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-1619
ZEANAARONEVAN ANDRES LUNA
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-8100

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 Timothy Porter's NPI number?

The NPI number for Timothy Porter is 1144581778. It was assigned to this individual provider in the NPPES registry on May 30, 2012.

Where is Timothy Porter located?

Timothy Porter practices at 800 Washington St Box #286, Boston, MA 02111. The listed phone number is (617) 636-6432.

What is Timothy Porter's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Timothy Porter enrolled in Medicare?

Yes. Timothy Porter is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Timothy Porter's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Porter reassigns Medicare benefits to 2 organizations: Pratt Pediatric Associates Inc (Boston, MA) and Brigham & Womens Physicians Organization Inc (Boston, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Timothy Porter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Timothy Porter accept?

Health plans from Taro Health list Timothy Porter 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.

When was this NPI record last updated?

The NPPES record for Timothy Porter was last updated on June 15, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.