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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. MICHAEL S. SINGER MD, PHD
NPI 1649230327
Ophthalmology in Boston, MA

Active since March 25, 2006
243 CHARLES ST, BOSTON, MA 02114(617) 523-7900 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Michael S. Singer Md, Phd NPPES

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

DR. MICHAEL S. SINGER MD, PHD (NPI 1649230327) is an individual ophthalmology provider in Boston, Massachusetts, licensed in Massachusetts (214599) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1649230327
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. MICHAEL S. SINGERCredential: MD, PHD
Location Address243 CHARLES STBoston, MA 02114-3002
Mailing Address414 Eliot Mail Ctr, Harvard UnivCambridge, MA 02138-7550 · (617) 388-2132
Phone(617) 523-7900
Sole ProprietorNo
Enumeration DateMarch 25, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1649230327 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in MA · 214599
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
243 CHARLES ST, Boston, MA 02114
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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.

CARLA PETERSEN AU.D., CCC-A
Audiologist
243 CHARLES ST, AUDIOLOGY DEPARTMENT
BOSTON, MA 02114
Suffolk County (617) 573-3266
DR. RYAN CARLSON MD PHD
Student in an Organized Health Care Education/Training Program
243 CHARLES ST
BOSTON, MA 02114
Suffolk County (617) 523-7900
MASSACHUSETTS EYE AND EAR INFIRMARY
Eyewear Supplier
243 CHARLES ST
BOSTON, MA 02114
Suffolk County (617) 573-3182
DANIEL ROBERT LEFEBVRE M.D.
Ophthalmology
243 CHARLES ST, 10TH FLOOR -- OPHTHALMIC PLASTIC SURGERY
BOSTON, MA 02114
Suffolk County (617) 523-7900
ELLIOTT D. KOZIN MD
Otolaryngology
243 CHARLES ST
BOSTON, MA 02114
Suffolk County (617) 573-6545
DR. LUCIA K SOMBERG MD, MPH
Emergency Medicine
243 CHARLES ST
BOSTON, MA 02114
Suffolk County (617) 573-3431
MS. JANET ENGLISH HUETTIG LICSW
Social Worker (Clinical)
243 CHARLES ST
BOSTON, MA 02114
Suffolk County (617) 573-3548
KYUNG OH DO, MS
Anesthesiology
243 CHARLES ST
BOSTON, MA 02114
Suffolk County (617) 573-3380

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 Michael Singer's NPI number?

The NPI number for Michael Singer is 1649230327. It was assigned to this individual provider in the NPPES registry on March 25, 2006.

Where is Michael Singer located?

Michael Singer practices at 243 Charles St, Boston, MA 02114. The listed phone number is (617) 523-7900.

What is Michael Singer's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

When was this NPI record last updated?

The NPPES record for Michael Singer 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 22 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.