Timothy John Hatlen

Timothy Hatlen practices at Harbor-UCLA Medical Center in Torrance, California, part of County of Los Angeles.

Timothy Hatlen's NPI, 1245673375, was assigned on April 8, 2013. Timothy Hatlen graduated from University Of Washington School Of Medicine in 2013. Timothy Hatlen holds California license A142824.

Timothy Hatlen's primary practice is Harbor-UCLA Medical Center, at 1000 W Carson St, Torrance, CA 90509 in Los Angeles County. The practice phone is (310) 222-2345.

Timothy Hatlen's primary practice is Harbor-UCLA Medical Center in Torrance, California, part of County of Los Angeles. The medical group on file is Harbor-UCLA Medical Center.

Dmand AI tracks the electronic health record (EHR) system at each site where Timothy Hatlen practices. Vendor and product names are available with a free account.

Internal medicine is Timothy Hatlen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Timothy Hatlen is board certified in infectious disease by the American Board of Internal Medicine. Dmand AI has Timothy Hatlen's licenses on file in 2 states: California and Washington.

Dmand AI lists bipolar disorder, coronary artery disease, heart failure, hiv/aids and hives among the conditions Timothy Hatlen treats.

CMS data shows 18 Medicare services from Timothy Hatlen across 1 procedure code in 2024, all of them office visits, for 13 Medicare patients. Medicare paid $1,357 for them. Every service was in an office.

CMS counts 13 Medicare patients who saw Timothy Hatlen in 2024. The largest group is 85 and over, with 0 patients. 100% are also on Medicaid. Their average risk score is 1.06, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Timothy Hatlen's median patient age at 61, with 24% women.

In 2024, Timothy Hatlen wrote 453 Medicare Part D claims for 24 patients. 61% of them were for generic drugs. CMS names the drug for 231 of them, across 11 drugs with 11 or more claims each, at $357,661 in total drug cost. In 2023, CMS named 211 claims across 10 drugs.

Timothy Hatlen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 17 papers to Timothy Hatlen, published from 2017 to 2025. 2018 was the busiest year, with 3. The most frequent topics are COVID-19, SARS-CoV-2 and Anti-Bacterial Agents. Timothy Hatlen has published most often in JAMA. Timothy Hatlen's most frequent co-authors are Mamta Jain, MD, Mamta K. Jain, MD, MPH and Virginia Kan, MD.

Dmand AI links Timothy Hatlen to 1 clinical trial. Conditions studied include Severe Acute Respiratory Syndrome and COVID-19.

CMS Open Payments shows 111 general payments to Timothy Hatlen from 11 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 94% of the total. Merck Sharp & Dohme Corporation paid the most, $576.

Timothy Hatlen graduated from University Of Washington School Of Medicine in 2013.

Timothy Hatlen is in network with 3 carriers, including LA Care, AK State Medicaid and CMS Medicare. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.