Dr. Ralph Bernard Armstrong, DO

Dr. Armstrong practices at Hazel Hawkins Memorial Hospital in Hollister, California, part of Hazel Hawkins.

Dr. Armstrong's NPI, 1477526028, was assigned on February 13, 2006. Dr. Armstrong graduated from WesternU College of Osteopathic Medicine of the Pacific in 2001. Dr. Armstrong holds California license 20A9256.

Dr. Armstrong's primary practice is Hazel Hawkins Memorial Hospital, at 911 Sunset Drive, Hollister, CA 95032 in Santa Clara County. The practice phone is (831) 637-5711.

Dr. Armstrong's primary practice is Hazel Hawkins Memorial Hospital in Hollister, California, part of Hazel Hawkins. The medical group on file is Obstetrix of California.

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

Obstetrics and gynecology is Dr. Armstrong's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Armstrong is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Armstrong's licenses on file in 2 states: California and Georgia.

Dmand AI lists menopause, ovarian cyst, pelvic prolapse and UTI among the conditions Dr. Armstrong treats.

CMS data shows 145 Medicare services from Dr. Armstrong across 4 procedure codes in 2024, for 87 Medicare patients. Medicare paid $11,230 for them. Every service was in an office.

CMS counts 87 Medicare patients who saw Dr. Armstrong in 2024. The largest group is 65 to 74, with 45 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 25% are also on Medicaid. Their average risk score is 0.89, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Armstrong's median patient age at 35, with 99% women.

In 2024, Dr. Armstrong wrote 167 Medicare Part D claims for 45 patients. 84% of them were for generic drugs. CMS names the drug for 24 of them, across 2 drugs with 11 or more claims each, at $2,268 in total drug cost. In 2023, CMS named 38 claims across 3 drugs.

Dr. Armstrong accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)

CMS Open Payments shows 79 general payments to Dr. Armstrong from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 95% of the total. Abbvie Inc. paid the most, $441.

Dmand AI lists 1 award for Dr. Armstrong.

Dr. Armstrong graduated from WesternU College of Osteopathic Medicine of the Pacific in 2001. Dr. Armstrong is a member of AOA.

Dr. Armstrong is in network with 8 carriers, including Blue Cross Blue Shield of Michigan, Elevance and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.