Dr. John M. Sullivan, MD

Dr. Sullivan practices at Ennis Doctors Center - General and Vascular Surgery in Ennis, Texas.

Dr. Sullivan's NPI, 1336132117, was assigned on August 26, 2005. Dr. Sullivan graduated from University Of Michigan Medical School in 1997. Dr. Sullivan holds Texas license K5708.

Dr. Sullivan's primary practice is Ennis Doctors Center - General and Vascular Surgery, at 802 W Lampasas St, Ennis, TX 75119-4500. The practice phone is (972) 878-4700.

Dr. Sullivan's primary practice is Ennis Doctors Center - General and Vascular Surgery in Ennis, Texas. Dr. Sullivan is also affiliated with Ennis Regional Medical Center. Dmand AI also links Dr. Sullivan to 1 more hospital, named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sullivan practices, 3 sites in all. Vendor and product names are available with a free account.

Surgery is Dr. Sullivan's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Sullivan is board certified in surgery by the American Board of Surgery. Dr. Sullivan is licensed in Texas.

Dmand AI lists abdominal hernia repair surgery, colonoscopy, gallbladder removal, gastrointestinal bleeding, groin hernia surgery, hemorrhoids and upper GI endoscopy among the conditions Dr. Sullivan treats.

CMS data shows 387 Medicare services from Dr. Sullivan across 9 procedure codes in 2024, for 168 Medicare patients. Medicare paid $40,670 for them.

CMS counts 168 Medicare patients who saw Dr. Sullivan in 2024. The largest group is 65 to 74, with 84 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.11, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Sullivan's median patient age at 65, with 47% women.

In 2024, Dr. Sullivan wrote 394 Medicare Part D claims for 131 patients. 96% of them were for generic drugs. CMS names the drug for 344 of them, across 8 drugs with 11 or more claims each, at $6,537 in total drug cost. In 2023, CMS named 331 claims across 6 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Sullivan for performance year 2024, reported individually. Dr. Sullivan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 15 procedures of melanoma (skin cancer) excision by Dr. Sullivan, more than 70% of the clinicians it reports for that procedure.

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 6 papers to Dr. Sullivan, published from 2013 to 2017. The most frequent topics are Disease Models, Animal and Pancreas. Dr. Sullivan has published most often in Toxicol Pathol. Dr. Sullivan's most frequent co-authors are Matthew Breyer, MD, Morton S. Kahlenberg, MD and Jonathan M. Wilson.

CMS Open Payments shows 91 general payments to Dr. Sullivan from 35 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Kerecis Limited paid the most, $890.

Dmand AI lists 2 awards for Dr. Sullivan, most recently CMS Stage 1 2012 in 2011.

Dr. Sullivan graduated from University Of Michigan Medical School in 1997. Dr. Sullivan is a member of ACS.

Dr. Sullivan is in network with 20 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.