Dr. Theodore Zwerdling, MD

Dr. Zwerdling practices at Adventist Health Clear Lake - Clearlake in Clearlake, California.

Dr. Zwerdling's NPI, 1861475865, was assigned on November 22, 2005. Dr. Zwerdling graduated from University Of Cincinnati College Of Medicine in 1980. Dr. Zwerdling holds California license G52223.

Dr. Zwerdling's primary practice is Adventist Health Clear Lake - Clearlake, at 15230 Lakeshore Drive, Clearlake, CA 95422. The practice phone is (707) 994-0407.

Dr. Zwerdling's primary practice is Adventist Health Clear Lake - Clearlake in Clearlake, California. The medical group on file is Adventist Health Clear Lake. Dmand AI also links Dr. Zwerdling to 1 more rural health clinic, named with a free account. Dr. Zwerdling's employer is on file too: a rural health clinic (rhc).

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

Pediatrics is Dr. Zwerdling's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Zwerdling is board certified in pediatric hematology-oncology by the American Board of Pediatrics. Dmand AI has Dr. Zwerdling's licenses on file in 2 states: California and Ohio.

Dmand AI lists acne, adjustment disease, lower back pain, obesity and tobacco use among the conditions Dr. Zwerdling treats.

CMS data shows 70 Medicare services from Dr. Zwerdling across 2 procedure codes in 2024, for 46 Medicare patients. Medicare paid $4,305 for them. Every service was in an office.

CMS counts 46 Medicare patients who saw Dr. Zwerdling in 2024. The largest group is 75 to 84, with 20 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 67% are also on Medicaid. Their average risk score is 2.81, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Zwerdling's median patient age at 58, with 75% women.

In 2024, Dr. Zwerdling wrote 70 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 52 of them, across 4 drugs with 11 or more claims each, at $10,555 in total drug cost. In 2023, CMS named 34 claims across 3 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Zwerdling for performance year 2024, reported as part of a group.

Dmand AI links 18 papers to Dr. Zwerdling, published from 2011 to 2020. 2015 was the busiest year, with 2. The most frequent topics are Anemia, Sickle Cell and Microcirculation. Dr. Zwerdling has published most often in J Pediatr Hematol Oncol. Dr. Zwerdling's most frequent co-authors are Susan Blaney, MD, Lisa Bomgaars, MD and Robert Stacy Byrd, MD, MPH.

CMS Open Payments shows 5 general payments to Dr. Zwerdling from 4 drug and device companies from 2023 to 2024. Food and beverage make up the largest share, 100% of the total. Servier Pharmaceuticals LLC paid the most, $34.

Dr. Zwerdling graduated from University Of Cincinnati College Of Medicine in 1980.

Dr. Zwerdling is in network with 7 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.