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

Dr. Aaron Leininger, DO

Individual provider Orthopaedic Surgery Physician · NPI 1679956452

Dr. Aaron Leininger, DO is an Orthopedic Surgery in New Haven, Connecticut. Graduated from Lake Erie College of Osteopathic Medicine, Erie in 2015, 11 years ago. Practices with Rehabilitation Associates Inc, a 532-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
11
Trained at
Lake Erie College of Osteopathic Medicine, Erie
Licensed in
CT
In the registry since
2015
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

47 College St
New Haven, CT 06510-3209
Phone: (877) 925-3637
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 77341 (CT)

Record details

NPI number1679956452
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 30, 2015
Last updated in NPPESJuly 23, 2024
Certification dateJuly 23, 2024

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolLAKE ERIE COLLEGE OF OSTEOPATHIC MEDICINE, ERIE
Graduated 2015 (11 years in practice)
Group practice Rehabilitation Associates Inc — 532 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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