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

Gary Ross Sirken, DO

Individual provider Internal Medicine Physician · NPI 1164469334

Gary Ross Sirken, DO is a Nephrology in Langhorne, Pennsylvania. Graduated from Philadelphia College of Osteopathic Medicine in 1997, 29 years ago. Practices with Aria Health Physician Services, a 480-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
29
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
PA
In the registry since
2006
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

825 Town Center Dr Ste 152
Langhorne, PA 19047-3030
Phone: (215) 741-3510
Fax: (215) 741-3519
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence OS010180L (PA)
Internal Medicine Physician Taxonomy 207R00000X · Licence OS010180L (PA)

Record details

NPI number1164469334
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 31, 2006
Last updated in NPPESDecember 13, 2024
Certification dateDecember 13, 2024
Mailing addressPo Box 538, Levittown, PA 19058-0538

Medicare enrollment

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

Medicare specialtyNEPHROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1997 (29 years in practice)
Group practice Aria Health Physician Services — 480 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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