Aneurysm, RupturedAortic Aneurysm, AbdominalAortic Rupture
Dr. Alan E. Williamson, MD
NPI1487670220
- Medicare services, 2022
- 27
- Part D claims, 2020
- 30
- Publications
- 3
- Industry payments
- $164
- Affiliated sites
- 1
- Practice address
- 39300 Bob Hope Dr Bannan Building, Suite 1101 Suite 1101, Rancho Mirage, CA 92270
- Practice phone
- Call (760) 341-7088
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Alan E Williamson MD
Physician office · Rancho Mirage, California
Find Dr. Williamson's professional email, personal email and mobile number
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Dr. Alan E. Williamson is a vascular surgeon in Rancho Mirage, California
Dr. Williamson practices at Alan E Williamson MD in Rancho Mirage, California.
Dr. Williamson's NPI, 1487670220, was assigned on July 14, 2006. Dr. Williamson graduated from Creighton University School of Medicine - Omaha in 1984. Dr. Williamson holds California license G68558.
NPI and contact details
- NPI
- 1487670220NPI Registry (opens in a new tab)
- NPI enumeration date
- July 14, 2006
- NPI status
- Active
- Practice phone
- (760) 341-7088
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Alan E. Williamson practices at 2 locations in Rancho Mirage, California
Dr. Williamson's primary practice is Alan E Williamson MD, at 39300 Bob Hope Dr Bannan Building, Suite 1101 Suite 1101, Rancho Mirage, CA 92270. The practice phone is (760) 341-7088. The NPI Registry lists Dr. Williamson's practice address as 39000 Bob Hope Dr, Rancho Mirage, CA 92270.
- Alan E Williamson MDPrimary39300 Bob Hope Dr Bannan Building, Suite 1101 Suite 1101, Rancho Mirage, CA 92270Phone(760) 341-7088
- NPI Registry address39000 Bob Hope Dr, Rancho Mirage, CA 92270 · Riverside CountyPhone(760) 341-7088
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Alan E. Williamson is affiliated with 1 site of care
Dr. Williamson's primary practice is Alan E Williamson MD in Rancho Mirage, California.
Alan E Williamson MDPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Alan E. Williamson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williamson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Alan E Williamson MD | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alan E. Williamson is one of 532 vascular surgeons in California
Vascular surgery is Dr. Williamson's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Williamson is board certified in vascular surgery by the American Board of Surgery. Dr. Williamson is licensed in California.
Specialties and state licenses
- Vascular surgery, CaliforniaPrimary
Vascular surgeons near Dr. Williamson
Counts of vascular surgeons with a Dmand AI profile, by place and practice. Each opens the list.
532vascular surgeons in California
8vascular surgeons in Rancho Mirage
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Alan E. Williamson billed Medicare for 27 services in 2022
CMS data shows 27 Medicare services from Dr. Williamson across 2 procedure codes in 2022, all of them office visits. Medicare paid $1,484 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202227
Paid by Medicare$1,484
Procedure codes2
Dr. Williamson's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 2302022: 2788%
- Tests and treatments
- 2021: 132022: 0100%
- Surgery
- 2021: 142022: 0100%
Dr. Williamson compared with the California median for vascular surgeons, 2022
- Dr. Williamson
- California median
- Medicare services
- 27vs 60996% below
- Part D claims
- 30vs 5545% below
Medians across 499 vascular surgeons in California with Dmand AI profiles that report each measure.
Dr. Williamson's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Williamson and other vascular surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alan E. Williamson's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Williamson's median patient age at 75, with 0% women.
Dr. Williamson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Alan E. Williamson wrote 30 Medicare Part D claims in 2020
In 2020, Dr. Williamson wrote 30 Medicare Part D claims. They cover 1 drug, with $144 in total drug cost. In 2019, CMS named 56 claims across 2 drugs.
Part D claims, 202030
Drugs named by CMS1
Total drug cost$144
Dr. Williamson's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 562020: 3046%
Drugs named by CMS: 1 in 2020, 2 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Alan E. Williamson has 3 publications on record
Dmand AI links 3 papers to Dr. Williamson in 2002. Dr. Williamson has published most often in Ann Vasc Surg. Dr. Williamson's most frequent co-author is Gary Morton Annunziata, DO.
Papers3
Dr. Williamson's most frequent co-authors
Recent publications by Dr. Williamson
Bone LengtheningFemurFibromuscular Dysplasia
Anabolic AgentsAnti-Bacterial AgentsBacterial Infections
See who Dr. Williamson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Williamson works with, so you can find a warm path to the right vascular surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Alan E. Williamson received $164 in industry payments from 2016 to 2024
CMS Open Payments shows 4 general payments to Dr. Williamson from 4 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. LeMaitre Vascular, Inc. paid the most, $106.
General payments to Dr. Williamson by program year, 2016 to 2024
Companies that paid Dr. Williamson the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alan E. Williamson has 1 award and honors on record
Dmand AI lists 1 award for Dr. Williamson.
Awards and honors for Dr. Williamson
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Alan E. Williamson graduated from Creighton University School of Medicine - Omaha
Dr. Williamson graduated from Creighton University School of Medicine - Omaha in 1984. Dr. Williamson is a member of ACS.
- Medical school
- Board certified in vascular surgery
Source: Dmand AI Professional Profile Data
Sources for Dr. Alan E. Williamson'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Alan E. Williamson
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. Alan E. Williamson's NPI number?
Dr. Alan E. Williamson's NPI number is 1487670220. It was assigned on July 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Alan E. Williamson?
Dr. Alan E. Williamson is a vascular surgeon in Rancho Mirage, California. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. Alan E. Williamson practice?
Dr. Williamson practices at 39300 Bob Hope Dr Bannan Building, Suite 1101 Suite 1101, Rancho Mirage, CA 92270. Dr. Williamson also practices at 39000 Bob Hope Dr, Rancho Mirage, CA 92270. Dr. Williamson's primary practice is Alan E Williamson MD in Rancho Mirage, California.
What is Dr. Alan E. Williamson's office phone number?
The practice phone on file for Dr. Williamson is (760) 341-7088.
What is Dr. Alan E. Williamson's medical license number?
Dr. Williamson holds California license G68558.
Does Dr. Alan E. Williamson accept Medicare?
Yes. CMS data shows Dr. Williamson billed Medicare for 27 services in 2022.
Is Dr. Alan E. Williamson board certified?
Yes. Dr. Williamson is board certified in vascular surgery by the American Board of Surgery.
What services does Dr. Alan E. Williamson bill to Medicare?
In 2022, Dr. Williamson's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Alan E. Williamson go to medical school?
Dr. Williamson graduated from Creighton University School of Medicine - Omaha in 1984.
What drugs does Dr. Alan E. Williamson prescribe most?
In 2020 Medicare Part D data, Dr. Williamson's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
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Has Dr. Alan E. Williamson received payments from drug or device companies?
CMS Open Payments shows $164 in general payments to Dr. Williamson from 4 companies from 2016 to 2024. The largest total came from LeMaitre Vascular, Inc.
How long has Dr. Alan E. Williamson been practicing?
Dr. Williamson graduated from medical school in 1984, 42 years ago.
Does Dr. Alan E. Williamson do research?
Dmand AI links 3 publications to Dr. Williamson.
Who does Dr. Alan E. Williamson publish with?
Dr. Williamson's most frequent co-authors are Gary Morton Annunziata, DO (1 shared paper).
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