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

Dr. Rani B Fritz, DO

Individual provider Reproductive Endocrinology Physician · NPI 1063647063

Dr. Rani B Fritz, DO is a Reproductive Endocrinology Physician in Smithtown, New York. Works from 2 locations. Licensed in New York.

Licensed in
NY
In the registry since
2009
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.

See every abbreviation used in this directory →

Practice location Address checks out

285 E Main St Ste 100
Smithtown, NY 11787-2912
Phone: (631) 650-2229
Fax: (631) 670-2137
Show map & directions

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

Additional practice locations (1)

  • 26400 W 12 Mile Rd, Southfield, MI 48034-1753 — (248) 352-8200

Specialties & licences

Reproductive Endocrinology Physician (primary) Taxonomy 207VE0102X · Licence 252837 (NY)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 252837 (NY)

Record details

NPI number1063647063
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 19, 2009
Last updated in NPPESMarch 27, 2026
Certification dateMarch 27, 2026