ALYSSA N HEISER MD
NPI 1669177556
Otolaryngology in Boston, MA

Active since April 03, 2023PECOS Enrolled
800 WASHINGTON ST, BOSTON, MA 02111(617) 636-5000 Get Directions Write a Review

NPPES record last updated: June 13, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 13, 2023, Apr 3, 2023 (2 updates tracked since 2023).

About Alyssa N Heiser Md NPPES

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

ALYSSA N HEISER MD (NPI 1669177556) is an individual otolaryngology provider in Boston, Massachusetts, licensed in Massachusetts (3014220) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1669177556
Entity TypeIndividualFemale
Primary Taxonomy207Y00000X
Provider Legal NameALYSSA N HEISERCredential: MD
Location Address800 WASHINGTON STBoston, MA 02111-1552
Mailing Address800 Washington StBoston, MA 02111-1552 · (617) 636-5000
Sole ProprietorNo
Enumeration DateApril 3, 2023
Last NPPES UpdateJune 13, 20232 updates tracked since enumeration
NPPES CertifiedJune 13, 2023
NPI 1669177556 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License Licensed in MA · 3014220
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 3014220 (MA)
800 WASHINGTON ST, Boston, MA 02111

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Alyssa N Heiser Md 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.

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
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
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 Alyssa Heiser's NPI number?

The NPI number for Alyssa Heiser is 1669177556. It was assigned to this individual provider in the NPPES registry on April 3, 2023.

Where is Alyssa Heiser located?

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

What is Alyssa Heiser's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Alyssa Heiser enrolled in Medicare?

Yes. Alyssa Heiser is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alyssa Heiser was last updated on June 13, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.