Dr. Randall Adam Bloch, MD
- Part D claims, 2024
- 113
- Industry payments
- $958
- State license
- 1
- Year NPI issued
- 2021
- Practice address
- 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598
- Practice phone
- Call (617) 789-2990
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Bloch's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Randall Adam Bloch is a general surgeon in Walnut Creek, California
Dr. Bloch practices in Walnut Creek, California.
Dr. Bloch's NPI, 1497329296, was assigned on May 17, 2021. Dr. Bloch holds Massachusetts license 289646.
- NPI
- 1497329296NPI Registry (opens in a new tab)
- NPI enumeration date
- May 17, 2021
- NPI status
- Active
- Practice phone
- (617) 789-2990
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Randall Adam Bloch's practice address is in Walnut Creek, California
Dr. Bloch's practice address in the NPI Registry is 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598, in Contra Costa County. The practice phone is (617) 789-2990.
- NPI Registry address1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 · Contra Costa CountyPhone(617) 789-2990
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Randall Adam Bloch's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bloch practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Bloch's practice | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Randall Adam Bloch is one of 2,926 general surgeons in California
Surgery is Dr. Bloch's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Bloch is licensed in Massachusetts.
Specialties and state licenses
- Surgery, MassachusettsPrimary
General surgeons near Dr. Bloch
Counts of general surgeons 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. Randall Adam Bloch's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Bloch's median patient age at 72, with 35% women.
Dr. Bloch's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women35%
- Men65%
Source: Dmand AI Patient Panel Data
Dr. Randall Adam Bloch wrote 113 Medicare Part D claims in 2024
In 2024, Dr. Bloch wrote 113 Medicare Part D claims for 33 patients. 94% of them were for generic drugs. CMS names the drug for 52 of them, across 3 drugs with 11 or more claims each, at $297 in total drug cost. In 2023, CMS named 32 claims across 2 drugs.
Dr. Bloch's Part D claims by kind of drug, 2024
- Generic106 claims94%
- Brand-name and other7 claims6%
Dr. Bloch's most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 322024: 5263%
Drugs named by CMS: 3 in 2024, 2 in 2023.
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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Randall Adam Bloch received $958 in industry payments from 2023 to 2025
CMS Open Payments shows 9 general payments to Dr. Bloch from 5 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Endologix, Inc. paid the most, $453.
General payments to Dr. Bloch by program year, 2023 to 2025
Companies that paid Dr. Bloch the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Randall Adam Bloch'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Randall Adam Bloch
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Randall Adam Bloch's NPI number?
Dr. Randall Adam Bloch's NPI number is 1497329296. It was assigned on May 17, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Randall Adam Bloch?
Dr. Randall Adam Bloch is a general surgeon in Walnut Creek, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Randall Adam Bloch practice?
Dr. Bloch practices at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598.
What is Dr. Randall Adam Bloch's office phone number?
The practice phone on file for Dr. Bloch is (617) 789-2990.
What is Dr. Randall Adam Bloch's medical license number?
Dr. Bloch holds Massachusetts license 289646.
What drugs does Dr. Randall Adam Bloch prescribe most?
In 2024 Medicare Part D data, Dr. Bloch's most prescribed drugs by claims were Furosemide, Metoprolol Succinate and Amiodarone HCl.
Has Dr. Randall Adam Bloch received payments from drug or device companies?
CMS Open Payments shows $958 in general payments to Dr. Bloch from 5 companies from 2023 to 2025. The largest total came from Endologix, Inc.
How long has Dr. Randall Adam Bloch been practicing?
Dr. Bloch's NPI was assigned in 2021.
Selling to surgery practices?
See general surgeons in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card