Dr. Hal Blumenfeld, MD

Dr. Blumenfeld practices at Yale Medicine in New Haven, Connecticut.

Dr. Blumenfeld's NPI, 1982687109, was assigned on November 22, 2005. Dr. Blumenfeld graduated from Columbia University Vagelos College of Physicians and Surgeons in 1992. Dr. Blumenfeld holds Connecticut license 035219.

Dr. Blumenfeld's primary practice is Yale Medicine, at 50 Division St, New Haven, CT 06511 in South Central Ct County. The practice phone is (203) 785-2140.

Dr. Blumenfeld's primary practice is Yale Medicine in New Haven, Connecticut. Dr. Blumenfeld is also affiliated with Yale New Haven Hospital. The medical group on file is Yale Health. Dmand AI also links Dr. Blumenfeld to 3 more hospitals and 1 group practice or clinic, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Blumenfeld practices, 5 sites in all. Vendor and product names are available with a free account.

Neurology is Dr. Blumenfeld's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Blumenfeld is board certified in epilepsy by the American Board of Psychiatry and Neurology. Dr. Blumenfeld is licensed in Connecticut.

Dmand AI lists epilepsy and stroke among the conditions Dr. Blumenfeld treats.

CMS data shows 104 Medicare services from Dr. Blumenfeld across 4 procedure codes in 2024, for 69 Medicare patients. Medicare paid $10,461 for them.

CMS counts 69 Medicare patients who saw Dr. Blumenfeld in 2024. The largest group is 75 to 84, with 23 patients. 70% of them have high blood pressure, and 68% have high cholesterol. 46% are also on Medicaid. Their average risk score is 1.92, 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. Blumenfeld's median patient age at 62, with 49% women.

In 2024, Dr. Blumenfeld wrote 385 Medicare Part D claims for 54 patients. 73% of them were for generic drugs. CMS names the drug for 287 of them, across 10 drugs with 11 or more claims each, at $157,394 in total drug cost.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Blumenfeld for performance year 2024, reported as part of a group. Dr. Blumenfeld accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 148 papers to Dr. Blumenfeld, published from 2004 to 2025. 2022 was the busiest year, with 10. The most frequent topics are Electroencephalography, Seizures and Brain. Dr. Blumenfeld has published most often in Epilepsia. Dr. Blumenfeld's most frequent co-authors are Dennis Dee Spencer, MD, Joshua Ethan Motelow, MD, PhD and Edward J. Novotny, MD.

Dmand AI links Dr. Blumenfeld to 2 clinical trials. 1 is still active or recruiting. Conditions studied include Epilepsy, Absence, Epilepsy, Temporal Lobe and Epilepsies, Partial. Yale University sponsors the most, 2.

CMS Open Payments shows 1 general payment to Dr. Blumenfeld from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Neuropace, Inc. paid the most, $143.

Dmand AI lists 1 award for Dr. Blumenfeld.

Dr. Blumenfeld graduated from Columbia University Vagelos College of Physicians and Surgeons in 1992. Dr. Blumenfeld is a member of AAN.

Dr. Blumenfeld is in network with 18 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.