Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

John W. Winkelman, PHD/MD

Individual provider Sleep Medicine (Internal Medicine) Physician · NPI 1619950045

John W. Winkelman, PHD/MD is a Psychiatry in Boston, Massachusetts. Graduated from Harvard Medical School in 1987, 39 years ago. Practices with Massachusetts General Physicians Organization Inc, a 3,484-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
39
Trained at
Harvard Medical School
Licensed in
MA
In the registry since
2005
Specialties on file
3
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Practice location Address checks out

55 Fruit St
Boston, MA 02114-2621
Phone: (617) 724-7426
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 12 Field Rd, Lexington, MA 02421-8015 — (781) 929-3454

Specialties & licences

Sleep Medicine (Psychiatry & Neurology) Physician (primary) Taxonomy 2084S0012X · Licence 73677 (MA)
Sleep Medicine (Internal Medicine) Physician Taxonomy 207RS0012X · Licence 73677 (MA)
Psychiatry Physician Taxonomy 2084P0800X · Licence 73677 (MA)

Record details

NPI number1619950045
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD/MD
Sole proprietorNo
NPI enumeratedNovember 21, 2005
Last updated in NPPESJune 11, 2024
Certification dateJune 11, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPSYCHIATRY
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 1987 (39 years in practice)
Group practice Massachusetts General Physicians Organization Inc — 3484 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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