Dr. Riddick Richard Blocker IV, MD
- Part D claims, 2024
- 45
- Affiliated sites
- 3
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2020
- Practice address
- 200 First Street SW, Rochester, MN 55905
- Practice phone
- Call (507) 284-5968
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mayo Clinic Breast Diagnostic Clinic
Mammography / Breast Imaging Center · Rochester, Minnesota
Find Dr. Blocker's professional email, personal email and mobile number
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Dr. Riddick Richard Blocker IV is a psychiatrist in Rochester, Minnesota
Dr. Blocker practices at Mayo Clinic Breast Diagnostic Clinic in Rochester, Minnesota.
Dr. Blocker's NPI, 1154946754, was assigned on June 10, 2020. Dr. Blocker graduated from University of South Carolina School of Medicine in 2020. Dr. Blocker holds Minnesota license 30718.
- NPI
- 1154946754NPI Registry (opens in a new tab)
- NPI enumeration date
- June 10, 2020
- NPI status
- Active
- Practice phone
- (507) 284-5968
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Riddick Richard Blocker IV practices at Mayo Clinic Breast Diagnostic Clinic in Rochester, Minnesota
Dr. Blocker's primary practice is Mayo Clinic Breast Diagnostic Clinic, at 200 First Street SW, Rochester, MN 55905. The practice phone is (507) 284-5968.
- Mayo Clinic Breast Diagnostic Clinic200 First Street SW, Rochester, MN 55905Phone(507) 284-5968
Source: Dmand AI Affiliation Data
Dr. Riddick Richard Blocker IV is affiliated with 3 sites of care and 1 medical group
Dr. Blocker's primary practice is Mayo Clinic Breast Diagnostic Clinic in Rochester, Minnesota. The medical group on file is Mayo Clinic. Dmand AI also links Dr. Blocker to 1 more clinical lab and 1 hospice, each named with a free account. Dr. Blocker's employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Riddick Richard Blocker IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Blocker practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mayo Clinic Breast Diagnostic Clinic | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Riddick Richard Blocker IV is one of 742 psychiatrists in Minnesota
Psychiatry is Dr. Blocker's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Blocker is licensed in Minnesota.
Specialties and state licenses
- Psychiatry, MinnesotaPrimary
Psychiatrists near Dr. Blocker
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Riddick Richard Blocker IV's patients have a median age of 18
Across all payers, Dmand AI patient panel data puts Dr. Blocker's median patient age at 18, with 67% women.
Dr. Blocker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 18
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Dr. Riddick Richard Blocker IV wrote 45 Medicare Part D claims in 2024
In 2024, Dr. Blocker wrote 45 Medicare Part D claims. 73% of them were for generic drugs. They cover 10 drugs, with $4,822 in total drug cost. In 2022, CMS named 54 claims across 3 drugs.
Dr. Blocker's Part D claims by kind of drug, 2024
- Generic33 claims73%
- Brand-name12 claims27%
Dr. Blocker's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 542023: 212293%
Drugs named by CMS: 10 in 2023, 3 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Riddick Richard Blocker IV graduated from University of South Carolina School of Medicine
Dr. Blocker graduated from University of South Carolina School of Medicine in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Riddick Richard Blocker IV's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Riddick Richard Blocker IV
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What is Dr. Riddick Richard Blocker IV's NPI number?
Dr. Riddick Richard Blocker IV's NPI number is 1154946754. It was assigned on June 10, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Riddick Richard Blocker IV?
Dr. Riddick Richard Blocker IV is a psychiatrist in Rochester, Minnesota. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Riddick Richard Blocker IV practice?
Dr. Blocker practices at 200 First Street SW, Rochester, MN 55905. Dr. Blocker's primary practice is Mayo Clinic Breast Diagnostic Clinic in Rochester, Minnesota. Dmand AI also links Dr. Blocker to 1 clinical lab and 1 hospice.
What is Dr. Riddick Richard Blocker IV's office phone number?
The practice phone on file for Dr. Blocker is (507) 284-5968.
What is Dr. Riddick Richard Blocker IV's medical license number?
Dr. Blocker holds Minnesota license 30718.
What medical group is Dr. Riddick Richard Blocker IV part of?
Dr. Blocker is linked to Mayo Clinic.
Where did Dr. Riddick Richard Blocker IV go to medical school?
Dr. Blocker graduated from University of South Carolina School of Medicine in 2020.
What drugs does Dr. Riddick Richard Blocker IV prescribe most?
In 2023 Medicare Part D data, Dr. Blocker's most prescribed drugs by claims were Venlafaxine HCl ER, Olanzapine and Lorazepam.
How long has Dr. Riddick Richard Blocker IV been practicing?
Dr. Blocker graduated from medical school in 2020, 6 years ago.
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