Question 1

What is Gregory H. Shimizu, MD's email address?

Accepted Answer

Gregory H. Shimizu, MD's email address is available to verified Dmand AI users. Their primary practice is located at Riverside Community Hospital in Riverside, California. Sign up for a free trial to reveal their direct contact information.

Question 2

What is Gregory H. Shimizu, MD's phone number?

Accepted Answer

Gregory H. Shimizu, MD's direct phone number is available to Dmand AI subscribers. To access their direct number, start a free trial.

Question 3

Where does Gregory H. Shimizu, MD practice?

Accepted Answer

Gregory H. Shimizu, MD is a Internal Medicine Physician physician currently practicing at Riverside Community Hospital in Riverside, California. They hold admitting privileges at 1 hospital(s), including RIVERSIDE COMMUNITY HOSPITAL. To see all the affiliations of Gregory H. Shimizu, MD, start a free trial.

Question 4

What is Gregory H. Shimizu, MD's specialty?

Accepted Answer

Gregory H. Shimizu, MD is a board-certified Internal Medicine Physician physician. They practice at Riverside Community Hospital in Riverside, California.

Question 5

What procedures does Gregory H. Shimizu, MD perform?

Accepted Answer

Gregory H. Shimizu, MD performs procedures across 825 clinical categories. Their most commonly billed procedures based on Medicare claims data include , , and . Full procedure and CPT code data is available to Dmand AI subscribers, start a free trial.

Question 6

What is Gregory H. Shimizu, MD's NPI number?

Accepted Answer

Gregory H. Shimizu, MD's National Provider Identifier (NPI) is 1154492130. This is a public identifier issued by CMS and can be verified at the NPPES NPI Registry. Their primary taxonomy code is 207R00000X, corresponding to Internal Medicine Physician.

Question 7

What EHR does Gregory H. Shimizu, MD use?

Accepted Answer

The EHR and practice technology used by Gregory H. Shimizu, MD at Riverside Community Hospital is available to Dmand AI subscribers. Sign up for a free trial to unlock the full technology stack.

Question 8

What insurance does Gregory H. Shimizu, MD accept?

Accepted Answer

Gregory H. Shimizu, MD accepts 15 insurance plans. A full list of accepted payers is available in the profile above.

Question 9

What hospital is Gregory H. Shimizu, MD affiliated with?

Accepted Answer

Gregory H. Shimizu, MD holds hospital privileges at 1 institution(s). Their primary affiliation is RIVERSIDE COMMUNITY HOSPITAL in Riverside, California.

Question 10

What are Gregory H. Shimizu, MD's board certifications?

Accepted Answer

Gregory H. Shimizu, MD is board certified by American Board of Internal Medicine in Internal Medicine. They have maintained this certification since .

Question 11

Where did Gregory H. Shimizu, MD go to medical school?

Accepted Answer

Gregory H. Shimizu, MD received their medical degree from George Washington University School of Medicine and Health Sciences in 1988. They completed their Internal Medicine residency at Kaiser Permanente Northern California (Oakland).

Question 12

How many patients does Gregory H. Shimizu, MD see per year?

Accepted Answer

Based on CMS Medicare Part B claims data, Gregory H. Shimizu, MD served approximately 443 Medicare beneficiaries in 2023. Total patient volume including non-Medicare patients is available to Dmand AI subscribers.

Question 13

What group practice does Gregory H. Shimizu, MD belong to?

Accepted Answer

Gregory H. Shimizu, MD is affiliated with ALERTIVE HEALTHCARE MEDICAL GROUP APC, a mid-size (6–20 physician) practice with 19 physicians based in Riverside, California. The practice is independently owned.

Question 14

Does Gregory H. Shimizu, MD conduct clinical research or trials?

Accepted Answer

Gregory H. Shimizu, MD has 0 indexed publications on record and no active clinical trial listings were found at time of last verification. Their research activity is available to Dmand AI subscribers. Sign up for a free trial to unlock their full research activity.

#	Procedure Code (CPT®/HCPCS II)	Procedure Patients	Procedure Volume
1	99232Subsequent hospital inpatient care, typically 25 minutes per day	139	380
2	99238Hospital discharge day management, 30 minutes or less	113	116
3	99233Subsequent hospital inpatient care, typically 35 minutes per day	68	173
4	99497Advance care planning by the physician or other qualified health care professional	54	62
5	99223Initial hospital inpatient care, typically 70 minutes per day	30	32

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Gregory H. Shimizu, MD

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