Dr. William R. Rassman, MD
- Part D claims, 2024
- 23
- Industry payments
- $61
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 15
- Practice address
- 5757 Wilshire Blvd, Suite 374, Los Angeles, CA 90036
- Practice phone
- Call (213) 935-9367
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mid-Wilshire Surgery Center
Surgery Center - Medicare-Certified · Los Angeles, California
Find Dr. Rassman's professional email, personal email and mobile number
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Dr. William R. Rassman is a general surgeon in Los Angeles, California
Dr. Rassman practices at Mid-Wilshire Surgery Center in Los Angeles, California.
Dr. Rassman's NPI, 1598931313, was assigned on May 1, 2008. Dr. Rassman graduated from VCU School of Medicine in 1966. Dr. Rassman holds California license G57255.
- NPI
- 1598931313NPI Registry (opens in a new tab)
- NPI enumeration date
- May 1, 2008
- NPI status
- Active
- Practice phone
- (213) 935-9367
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1966
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William R. Rassman practices at Mid-Wilshire Surgery Center in Los Angeles, California
Dr. Rassman's primary practice is Mid-Wilshire Surgery Center, at 5757 Wilshire Blvd, Suite 374, Los Angeles, CA 90036. The practice phone is (213) 935-9367.
- Mid-Wilshire Surgery Center5757 Wilshire Blvd, Suite 374, Los Angeles, CA 90036Phone(213) 935-9367
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William R. Rassman is affiliated with 1 site of care and 1 medical group
Dr. Rassman's primary practice is Mid-Wilshire Surgery Center in Los Angeles, California. Dmand AI also links Dr. Rassman to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. William R. Rassman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rassman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mid-Wilshire Surgery Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William R. Rassman is one of 2,926 general surgeons in California
Surgery is Dr. Rassman's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Rassman is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Rassman's licenses on file in 15 states: California, Florida, New York, Nevada, Colorado, Pennsylvania, Georgia, Maryland, New Jersey, Hawaii, Illinois, North Carolina, Virginia, Washington and Vermont.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- Florida license
- New York license
- Nevada license
- Colorado license
- Pennsylvania license
- Georgia license
- Maryland license
- New Jersey license
- Hawaii license
- Illinois license
- North Carolina license
- Virginia license
- Washington license
- Vermont license
General surgeons near Dr. Rassman
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. William R. Rassman wrote 23 Medicare Part D claims in 2024
In 2024, Dr. Rassman wrote 23 Medicare Part D claims. 96% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $924 in total drug cost. In 2018, CMS named 37 claims across 3 drugs.
Dr. Rassman's Part D claims by kind of drug, 2024
- Generic22 claims96%
- Brand-name and other1 claims4%
Dr. Rassman's most prescribed drugs by claims, 2019
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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 372019: 1268%
Drugs named by CMS: 1 in 2019, 3 in 2018.
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. William R. Rassman received $61 in industry payments from 2019 to 2021
CMS Open Payments shows 3 general payments to Dr. Rassman from 3 drug and device companies from 2019 to 2021. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $28.
General payments to Dr. Rassman by program year, 2019 to 2021
Companies that paid Dr. Rassman the most, 2019 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William R. Rassman has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Rassman, most recently America's Top Doctors in 2014.
Awards and honors for Dr. Rassman
- 2014
- America's Top Doctors
- 2013
- Top Doctors:LA Area
- 2012
- Top Doctors:Southern California
Source: Dmand AI Professional Profile Data
Dr. William R. Rassman graduated from VCU School of Medicine
Dr. Rassman graduated from VCU School of Medicine in 1966.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Sources for Dr. William R. Rassman'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. William R. Rassman
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. William R. Rassman's NPI number?
Dr. William R. Rassman's NPI number is 1598931313. It was assigned on May 1, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. William R. Rassman?
Dr. William R. Rassman is a general surgeon in Los Angeles, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. William R. Rassman practice?
Dr. Rassman practices at 5757 Wilshire Blvd, Suite 374, Los Angeles, CA 90036. Dr. Rassman's primary practice is Mid-Wilshire Surgery Center in Los Angeles, California. Dmand AI also links Dr. Rassman to 1 medical group.
What is Dr. William R. Rassman's office phone number?
The practice phone on file for Dr. Rassman is (213) 935-9367.
What is Dr. William R. Rassman's medical license number?
Dr. Rassman holds California license G57255, one of the licenses on file in 15 states.
Which states has Dr. William R. Rassman been licensed in?
Dmand AI has state licenses on file for Dr. Rassman in California (1986 to 2026), Florida (1995 to 2022), New York (1967 to 2021), Nevada (1991 to 2019), Colorado (1994 to 2017), Pennsylvania (1991 to 2016), Georgia (1994 to 2015), Maryland (1996 to 2015), New Jersey (1994 to 2015), Hawaii (1979 to 2014), Illinois (1990 to 2014), North Carolina (1997 to 2014), Virginia (1966 to 2014), Washington (1997 to 2014) and Vermont (1973 to 1992).
Is Dr. William R. Rassman board certified?
Yes. Dr. Rassman is board certified in surgery by the American Board of Surgery.
Where did Dr. William R. Rassman go to medical school?
Dr. Rassman graduated from VCU School of Medicine in 1966.
What drugs does Dr. William R. Rassman prescribe most?
In 2019 Medicare Part D data, Dr. Rassman's most prescribed drugs by claims were Niacin ER.
Has Dr. William R. Rassman received payments from drug or device companies?
CMS Open Payments shows $61 in general payments to Dr. Rassman from 3 companies from 2019 to 2021. The largest total came from Stryker Corporation.
How long has Dr. William R. Rassman been practicing?
Dr. Rassman graduated from medical school in 1966, 60 years ago.
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