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

Dr. Diane De Lisi Timms, DO

Individual provider Maternal & Fetal Medicine Physician · NPI 1083874069

Dr. Diane De Lisi Timms, DO is an Obstetrics/Gynecology in Danville, Pennsylvania. Graduated from Rowan University School of Osteopathic Medicine in 2004, 22 years ago. Practices with Geisinger Clinic, a 3,413-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Connecticut, New Jersey, Pennsylvania and Texas.

Years since qualifying
22
Trained at
Rowan University School of Osteopathic Medicine
Licensed in
CT, NJ, PA, TX
In the registry since
2008
Specialties on file
5
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

100 N Academy Ave
Danville, PA 17822-1438
Phone: (570) 271-6298
Fax: (570) 271-5841
Show map & directions

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

Additional practice locations (2)

  • 65 W Jimmie Leeds Rd Fl 3, Pomona, NJ 08240-9102 — (609) 404-3830
  • 620 S Fleishel Ave, Tyler, TX 75701-2041 — (903) 606-4900

Specialties & licences

Maternal & Fetal Medicine Physician (primary) Taxonomy 207VM0101X · Licence OS021147 (PA)
Maternal & Fetal Medicine Physician Taxonomy 207VM0101X · Licence V1909 (TX)
Obstetrics Physician Taxonomy 207VX0000X · Licence 046430 (CT)
Gynecology Physician Taxonomy 207VG0400X · Licence 046430 (CT)
Maternal & Fetal Medicine Physician Taxonomy 207VM0101X · Licence 25MB08158900 (NJ)

Record details

NPI number1083874069
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 12, 2008
Last updated in NPPESSeptember 5, 2024
Certification dateSeptember 5, 2024
Mailing address100 N Academy Ave, Danville, PA 17822-4903

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolROWAN UNIVERSITY SCHOOL OF OSTEOPATHIC MEDICINE
Graduated 2004 (22 years in practice)
Group practice Geisinger Clinic — 3413 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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