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

Dr. Stephen Brian Serynek, DO

Individual provider Internal Medicine Physician · NPI 1285896688

Dr. Stephen Brian Serynek, DO is an Internal Medicine in Flushing, New York. Graduated from New York College of Osteo Medicine of New York Institute of Technology in 2005, 21 years ago. Practices with Optum Medical Care PC, a 1,018-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
21
Trained at
New York College of Osteo Medicine of New York Institute of Technology
Licensed in
NY
In the registry since
2008
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

5645 Main St Dept OF Internal Medicine Second Fl
Flushing, NY 11355-5045
Phone: (718) 670-1231
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 247440 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 247440 (NY)

Record details

NPI number1285896688
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJune 26, 2008
Last updated in NPPESAugust 26, 2025
Certification dateAugust 26, 2025
Mailing address2800 Marcus Ave, Department Of Internal Medicine Second Floor, New Hyde Park, NY 11042-1113

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolNEW YORK COLLEGE OF OSTEO MEDICINE OF NEW YORK INSTITUTE OF TECHNOLOGY
Graduated 2005 (21 years in practice)
Group practice Optum Medical Care Pc — 1018 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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