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

Individual provider Colon & Rectal Surgery Physician · NPI 1316972136

Clifford L Simmang, MD is a Colorectal Surgery (Proctology) in Dallas, Texas. Graduated from University of Texas Medical Branch at Galveston in 1982, 44 years ago. Practices with Texas Oncology PA, a 1,005-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
44
Trained at
University of Texas Medical Branch at Galveston
Licensed in
TX
In the registry since
2006
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

7777 Forest Ln Ste A321
Dallas, TX 75230-2505
Phone: (972) 661-3575
Fax: (972) 233-9120
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Colon & Rectal Surgery Physician (primary) Taxonomy 208C00000X · Licence G4245 (TX)

Record details

NPI number1316972136
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 11, 2006
Last updated in NPPESOctober 13, 2020
Certification dateOctober 13, 2020

Medicare enrollment

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

Medicare specialtyCOLORECTAL SURGERY (PROCTOLOGY)
Also practisesGENERAL SURGERY
Medical schoolUNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON
Graduated 1982 (44 years in practice)
Group practice Texas Oncology Pa — 1005 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations6 on file with Medicare

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