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

Douglas L Heintzelman, MD

Individual provider Diagnostic Radiology Physician · NPI 1811935125

Douglas L Heintzelman, MD is a Diagnostic Radiology in Columbus, Ohio. Graduated from University of Texas at Austin Dell Medical School in 1998, 28 years ago. Practices with Singleton Associates PA, a 795-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts and Texas.

Years since qualifying
28
Trained at
University of Texas at Austin Dell Medical School
Licensed in
MA, TX
In the registry since
2006
Specialties on file
2
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

3525 Olentangy River Rd Ste 5360
Columbus, OH 43214-3937
Phone: (614) 340-7747
Fax: (614) 340-7742
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 6720 Bertner Ave, Houston, TX 77030-2604 — (832) 355-2666

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 219212 (MA)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence T4175 (TX)

Record details

NPI number1811935125
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 2, 2006
Last updated in NPPESSeptember 17, 2025
Certification dateSeptember 17, 2025

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolUNIVERSITY OF TEXAS AT AUSTIN DELL MEDICAL SCHOOL
Graduated 1998 (28 years in practice)
Group practice Singleton Associates Pa — 795 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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