Dr. Timothy James Ryan, MD

  • Torrance, CA
  • Vascular surgeon
NPI1922205459
Publications
2
Industry payments
$815
State licenses
4
Year NPI issued
2007
Practice address
1000 W Carson St, Torrance, CA 90502-2004
Practice phone
Call (650) 380-3163
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Find Dr. Ryan'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.

View contacts for free

Dr. Timothy James Ryan is a vascular surgeon in Torrance, California

Dr. Ryan practices in Torrance, California.

Dr. Ryan's NPI, 1922205459, was assigned on June 28, 2007. Dr. Ryan graduated from Harvard Medical School in 2003. Dr. Ryan's California license number on file is A89746.

NPI and contact details
NPI enumeration date
June 28, 2007
NPI status
Active
Practice phone
(650) 380-3163
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Medical school graduation
2003

Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

Dr. Timothy James Ryan's practice address is in Torrance, California

Dr. Ryan's practice address in the NPI Registry is 1000 W Carson St, Torrance, CA 90502-2004. The practice phone is (650) 380-3163.

  • NPI Registry address
    1000 W Carson St, Torrance, CA 90502-2004Phone(650) 380-3163

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. Timothy James Ryan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ryan practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dr. Ryan's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Ryan practices

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. Timothy James Ryan is one of 532 vascular surgeons in California

Vascular surgery is Dr. Ryan's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dmand AI has Dr. Ryan's licenses on file in 4 states: California, Montana, Ohio and Virginia.

Specialties and state licenses

  • Vascular surgery, CaliforniaPrimaryLicense A89746 · 2004 to 2024 · taxonomy 2086S0129X
  • Montana license2019 to 2021
  • Ohio license2009 to 2013
  • Virginia license2007 to 2009

Vascular surgeons near Dr. Ryan

Counts of vascular 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. Timothy James Ryan has 2 publications on record

Dmand AI links 2 papers to Dr. Ryan, published from 2016 to 2018. The most frequent topics are Arteriovenous Shunt, Surgical and Renal Dialysis. Dr. Ryan has published most often in Ann Vasc Surg. Dr. Ryan's most frequent co-authors are Timothy J. Ryan, MD, Hamid Alipour, MD and Nina Michelle Bowens, MD.

Papers2
Years published2016 to 2018

Topics Dr. Ryan writes about most

  • Arteriovenous Shunt, Surgical
  • Renal Dialysis

Dr. Ryan's most frequent co-authors

Recent publications by Dr. Ryan

See all 2 publications and co-authors

See who Dr. Ryan researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ryan works with, so you can find a warm path to the right vascular surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Timothy James Ryan received $815 in industry payments from 2016 to 2025

CMS Open Payments shows 19 general payments to Dr. Ryan from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic Vascular, Inc. paid the most, $352.

General payments to Dr. Ryan by program year, 2016 to 2025

Companies that paid Dr. Ryan the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ryan

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Timothy James Ryan graduated from Harvard Medical School

Dr. Ryan graduated from Harvard Medical School in 2003.

  1. Medical schoolHarvard Medical School

Source: Dmand AI Professional Profile Data

Sources for Dr. Timothy James Ryan's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Timothy James Ryan

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. Timothy James Ryan's NPI number?

Dr. Timothy James Ryan's NPI number is 1922205459. It was assigned on June 28, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Timothy James Ryan?

Dr. Timothy James Ryan is a vascular surgeon in Torrance, California. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).

Where does Dr. Timothy James Ryan practice?

Dr. Ryan practices at 1000 W Carson St, Torrance, CA 90502-2004.

What is Dr. Timothy James Ryan's office phone number?

The practice phone on file for Dr. Ryan is (650) 380-3163.

What is Dr. Timothy James Ryan's medical license number?

Dr. Ryan's California license number on file is A89746, one of the licenses on file in 4 states.

Which states has Dr. Timothy James Ryan been licensed in?

Dmand AI has state licenses on file for Dr. Ryan in California (2004 to 2024), Montana (2019 to 2021), Ohio (2009 to 2013) and Virginia (2007 to 2009).

Where did Dr. Timothy James Ryan go to medical school?

Dr. Ryan graduated from Harvard Medical School in 2003.

Has Dr. Timothy James Ryan received payments from drug or device companies?

CMS Open Payments shows $815 in general payments to Dr. Ryan from 7 companies from 2016 to 2025. The largest total came from Medtronic Vascular, Inc.

How long has Dr. Timothy James Ryan been practicing?

Dr. Ryan graduated from medical school in 2003, 23 years ago.

Does Dr. Timothy James Ryan do research?

Dmand AI links 2 publications to Dr. Ryan, published from 2016 to 2018.

Who does Dr. Timothy James Ryan publish with?

Dr. Ryan's most frequent co-authors are Timothy J. Ryan, MD (2 shared papers), Hamid Alipour, MD (1 shared paper) and Nina Michelle Bowens, MD (1 shared paper).

Selling to vascular surgery practices?

See vascular 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

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)