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

Gelsey Lynn Rellosa, MD

Individual provider Internal Medicine Physician · NPI 1497991079

Gelsey Lynn Rellosa, MD is an Internal Medicine in Philadelphia, Pennsylvania. Graduated from Temple University School of Medicine in 2006, 20 years ago. Practices with Osh - PA Physicians Group, PC, a 114-clinician group and accepts Medicare assignment. Licensed in District of Columbia, Maryland, Pennsylvania and Virginia.

Years since qualifying
20
Trained at
Temple University School of Medicine
Licensed in
DC, MD, PA, VA
In the registry since
2009
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

6232 Market St
Philadelphia, PA 19139-2922
Phone: (215) 444-7672
Fax: (267) 627-5873
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD445436 (PA)
Internal Medicine Physician Taxonomy 207R00000X · Licence D68991 (MD)
Internal Medicine Physician Taxonomy 207R00000X · Licence 0101248505 (VA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD038030 (DC)

Record details

NPI number1497991079
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 1, 2009
Last updated in NPPESApril 30, 2025
Certification dateApril 30, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolTEMPLE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2006 (20 years in practice)
Group practice Osh - Pa Physicians Group, Pc — 114 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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