Dr. Joshua Michael Ammerman, MD

Dr. Ammerman practices at Sibley Memorial Hospital in Washington, District of Columbia, part of Johns Hopkins Health System.

Dr. Ammerman's NPI, 1043361124, was assigned on January 15, 2007. Dr. Ammerman graduated from George Washington University School of Medicine and Health Sciences in 2000. Dr. Ammerman holds District of Columbia license MD034829.

Dr. Ammerman's primary practice is Sibley Memorial Hospital, at 5255 Loughboro Rd NW, Washington, DC 20016 in The District County. The practice phone is (202) 537-4680.

Dr. Ammerman's primary practice is Sibley Memorial Hospital in Washington, District of Columbia, part of Johns Hopkins Health System. The medical group on file is Washington Neurosurgical Associates. Dmand AI also links Dr. Ammerman to 1 more group practice or clinic, named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ammerman practices, 2 sites in all. Vendor and product names are available with a free account.

Neurological surgery is Dr. Ammerman's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Ammerman is board certified in neurological surgery by the American Board of Neurological Surgery. Dmand AI has Dr. Ammerman's licenses on file in 4 states: District of Columbia, Florida, Maryland and Virginia.

Dmand AI lists back and neck pain treatment without fusion, lower back pain, neck pain and spine problems, spinal fusion and thoracic spine disorders among the conditions Dr. Ammerman treats.

CMS data shows 429 Medicare services from Dr. Ammerman across 5 procedure codes in 2024, for 313 Medicare patients. Medicare paid $39,731 for them.

CMS counts 313 Medicare patients who saw Dr. Ammerman in 2024. The largest group is 75 to 84, with 151 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 0.89, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ammerman's median patient age at 72, with 50% women.

In 2024, Dr. Ammerman wrote 242 Medicare Part D claims for 72 patients. 100% of them were for generic drugs. CMS names the drug for 201 of them, across 8 drugs with 11 or more claims each, at $4,227 in total drug cost. In 2023, CMS named 151 claims across 5 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 28 out of 100 for Dr. Ammerman for performance year 2024, reported individually. Dr. Ammerman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 90 procedures of spinal fusion by Dr. Ammerman, more than 71% of the clinicians it reports for that procedure.

Dmand AI links 22 papers to Dr. Ammerman, published from 2006 to 2019. 2019 was the busiest year, with 3. The most frequent topics are Magnetic Resonance Imaging, Hemangioblastoma and Lumbar Vertebrae. Dr. Ammerman has published most often in J Neurosurg. Dr. Ammerman's most frequent co-authors are Matthew D. Ammerman, MD, Martin Athelstan Baggenstos, MD and Joshua James Wind, MD.

CMS Open Payments shows 443 general payments to Dr. Ammerman from 27 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 48% of the total. Medtronic USA, Inc. paid the most, $257,164. It also lists 8 research payments totaling $24,722 in 2016.

Dmand AI lists 3 awards for Dr. Ammerman.

Dr. Ammerman graduated from George Washington University School of Medicine and Health Sciences in 2000. Dr. Ammerman is a member of AANS and CNS.

Dr. Ammerman is in network with 2 carriers, including Excellus BlueCross BlueShield and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.