Dr. Tom Alsaigh, MD

  • San Diego, CA
  • Vascular surgeon
NPI1275980666PAC ID2163779745
Medicare services, 2024
1,347
Medicare patients, 2024
716
Part D claims, 2024
992
Publications
17
Hospital affiliations
1
Practice address
200 W Arbor Dr, San Diego, CA 92103
Practice phone
Call (619) 543-6222
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UCSD Hillcrest Medical Center

San Diego, California

See all 5 affiliations

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Dr. Tom Alsaigh is a vascular surgeon in San Diego, California

Dr. Alsaigh practices at UCSD Hillcrest Medical Center in San Diego, California.

Dr. Alsaigh's NPI, 1275980666, was assigned on May 16, 2016. Dr. Alsaigh graduated from OU College of Medicine in 2016. Dr. Alsaigh's California license number on file is A152820.

NPI and contact details
Medicare PAC ID
2163779745
NPI enumeration date
May 16, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(619) 543-6222
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
36
Medical school graduation
2016

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Tom Alsaigh practices at UCSD Hillcrest Medical Center in San Diego, California

Dr. Alsaigh's primary practice is UCSD Hillcrest Medical Center, at 200 W Arbor Dr, San Diego, CA 92103 in San Diego County. The practice phone is (619) 543-6222.

  • UCSD Hillcrest Medical Center
    200 W Arbor Dr, San Diego, CA 92103 · San Diego CountyPhone(619) 543-6222

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

Dr. Tom Alsaigh is affiliated with 3 sites of care and 2 medical groups

Dr. Alsaigh's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dr. Alsaigh is also affiliated with Hillcrest Medical Center. The medical group on file is UC San Diego Health. Dmand AI also links Dr. Alsaigh to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Alsaigh

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

Dmand AI tracks the EHR system at Dr. Tom Alsaigh's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Alsaigh practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCSD Hillcrest Medical CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Tom Alsaigh is one of 532 vascular surgeons in California

Vascular surgery is Dr. Alsaigh's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Alsaigh is board certified in internal medicine by the American Board of Internal Medicine. Dr. Alsaigh has a license on file in California.

Specialties and state licenses

  • Vascular surgery, CaliforniaPrimaryLicense A152820 · 2017 to 2025 · taxonomy 2086S0129X

Clinical focus

Dmand AI lists acute kidney failure, acute mini-stroke (TIA), acute skin infection, aneurysm, ankle or foot injury, anxiety, aortic atherosclerois and asthma among the conditions Dr. Alsaigh treats.

Vascular surgeons near Dr. Alsaigh

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. Tom Alsaigh billed Medicare for 1,347 services in 2024

CMS data shows 1,347 Medicare services from Dr. Alsaigh across 20 procedure codes in 2024, for 716 Medicare patients. Medicare paid $89,285 for them.

Medicare services, 20241,347
Medicare patients716
Paid by Medicare$89,285
Procedure codes20

Dr. Alsaigh's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 1672024: 799378%
Office and hospital visits
2023: 4042024: 29327%
Surgery
2023: 1852024: 1998%
Other services
2023: 412024: 5637%

Where Dr. Alsaigh's Medicare services took place, 2024

  • In an office54841%
  • In a facility79959%

Dr. Alsaigh compared with the California median for vascular surgeons, 2024

  • Dr. Alsaigh
  • California median
Medicare services
1,347vs 6092.2 times
Medicare patients
716vs 2722.6 times
Part D claims
628vs 5511.4 times

Medians across 499 vascular surgeons in California with Dmand AI profiles that report each measure.

Dr. Alsaigh's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Alsaigh

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Tom Alsaigh treated 716 Medicare patients in 2024, average age 73

CMS counts 716 Medicare patients who saw Dr. Alsaigh in 2024. The largest group is 65 to 74, with 321 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.54, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Alsaigh's median patient age at 61, with 58% women.

Medicare patients, 2024716
Average age73
Average risk score2.54
Also on Medicaid28%

Dr. Alsaigh's Medicare patients by age, 2024

Dr. Alsaigh's Medicare patients by sex, 2024

  • Women36651%
  • Men35049%

Chronic conditions among Dr. Alsaigh's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis52%
  4. Ischemic heart disease45%
  5. Diabetes39%
  6. Chronic kidney disease37%
  7. Heart failure33%
  8. Mood disorders31%

Share of Medicare patients with each condition. A patient can have several.

Dr. Alsaigh's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women58%
  • Men41%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Tom Alsaigh wrote 992 Medicare Part D claims in 2024

In 2024, Dr. Alsaigh wrote 992 Medicare Part D claims for 147 patients. 89% of them were for generic drugs. CMS names the drug for 628 of them, across 28 drugs with 11 or more claims each, at $53,046 in total drug cost. In 2023, CMS named 755 claims across 34 drugs.

Part D claims, 2024992
Drugs named by CMS28
Total drug cost$53,046
Part D patients147

Dr. Alsaigh's Part D claims by kind of drug, 2024

  • Generic878 claims89%
  • Brand-name and other114 claims11%

Dr. Alsaigh'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.

Drug classes CMS tracks in Dr. Alsaigh's Part D claims, 2024

  • Opioids5%54 of 992 claims
  • Antibiotics4%40 of 992 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 7552024: 62817%

Drugs named by CMS: 28 in 2024, 34 in 2023.

See all prescribing by Dr. Alsaigh

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

Dr. Tom Alsaigh ranks in the 94th percentile for removal of tissue in Medicare

Dr. Alsaigh accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Alsaigh as offering telehealth. CMS counts 313 procedures of removal of tissue by Dr. Alsaigh, more than 94% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Alsaigh ranks in Medicare procedure volume

Removal of tissue
94th percentile313 procedures
Varicose vein removal
76th percentile59 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

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Dr. Tom Alsaigh has 17 publications on record

Dmand AI links 17 papers to Dr. Alsaigh, published from 2010 to 2024. 2024 was the busiest year, with 3. The most frequent topics are Atherosclerosis, Rats, Wistar and Endothelial Cells. Dr. Alsaigh's most frequent co-authors are Nicholas James Leeper, MD, Erik B. Kistler, MD and Mahmoud Malas, MD.

Papers17
Years published2010 to 2024

Dr. Alsaigh's papers by year, 2010 to 2024

Topics Dr. Alsaigh writes about most

  • Atherosclerosis
  • Rats, Wistar
  • Endothelial Cells
  • Inflammation
  • Plaque, Atherosclerotic
  • Endothelium, Vascular
  • Hypertension
  • Intestine, Small

Dr. Alsaigh's most frequent co-authors

Recent publications by Dr. Alsaigh

See all 17 publications and co-authors

See who Dr. Alsaigh researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Alsaigh 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. Tom Alsaigh received $909 in industry payments from 2018 to 2025

CMS Open Payments shows 29 general payments to Dr. Alsaigh from 8 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. MIMEDX Group, Inc. paid the most, $546.

General payments to Dr. Alsaigh by program year, 2018 to 2025

Companies that paid Dr. Alsaigh the most, 2018 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Alsaigh

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

Dr. Tom Alsaigh graduated from OU College of Medicine

Dr. Alsaigh graduated from OU College of Medicine in 2016.

  1. Medical schoolOU College of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Tom Alsaigh accepts plans from 15 insurance carriers

Dr. Alsaigh is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

Plan types Dr. Alsaigh accepts, by number of carriers

  1. Medicare10
  2. PPO10
  3. HMO8
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. Tom Alsaigh'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
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
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
Insurance carriers and plan typesDmand AI Insurance Network 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. Tom Alsaigh

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. Tom Alsaigh's NPI number?

Dr. Tom Alsaigh's NPI number is 1275980666. It was assigned on May 16, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. Tom Alsaigh?

Dr. Tom Alsaigh is a vascular surgeon in San Diego, California. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).

Where does Dr. Tom Alsaigh practice?

Dr. Alsaigh practices at 200 W Arbor Dr, San Diego, CA 92103. Dr. Alsaigh's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dmand AI also links Dr. Alsaigh to 1 group practice or clinic and 1 medical group.

What is Dr. Tom Alsaigh's office phone number?

The practice phone on file for Dr. Alsaigh is (619) 543-6222.

What is Dr. Tom Alsaigh's medical license number?

Dr. Alsaigh's California license number on file is A152820.

Which hospitals is Dr. Tom Alsaigh affiliated with?

Dr. Alsaigh is affiliated with Hillcrest Medical Center.

What medical group is Dr. Tom Alsaigh part of?

Dr. Alsaigh is linked to UC San Diego Health. Dmand AI links Dr. Alsaigh to 1 more medical group.

Does Dr. Tom Alsaigh accept Medicare?

Yes. CMS data shows Dr. Alsaigh billed Medicare for 1,347 services in 2024, and Dr. Alsaigh accepts Medicare assignment.

Does Dr. Tom Alsaigh offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Alsaigh as offering telehealth services.

How many Medicare patients does Dr. Tom Alsaigh see?

CMS counts 716 Medicare patients who saw Dr. Alsaigh in 2024, with an average age of 73.

Show 9 more questionsShow fewer questions

Is Dr. Tom Alsaigh board certified?

Yes. Dr. Alsaigh is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Tom Alsaigh bill to Medicare?

In 2024, Dr. Alsaigh's most billed Medicare services were blood vessel study (93922), surgery: skin and soft tissue (11043) and blood vessel study (93970).

Where did Dr. Tom Alsaigh go to medical school?

Dr. Alsaigh graduated from OU College of Medicine in 2016.

What drugs does Dr. Tom Alsaigh prescribe most?

In 2024 Medicare Part D data, Dr. Alsaigh's most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Lisinopril.

Has Dr. Tom Alsaigh received payments from drug or device companies?

CMS Open Payments shows $909 in general payments to Dr. Alsaigh from 8 companies from 2018 to 2025. The largest total came from MIMEDX Group, Inc.

How long has Dr. Tom Alsaigh been practicing?

Dr. Alsaigh graduated from medical school in 2016, 10 years ago.

Does Dr. Tom Alsaigh do research?

Dmand AI links 17 publications to Dr. Alsaigh, published from 2010 to 2024.

Who does Dr. Tom Alsaigh publish with?

Dr. Alsaigh's most frequent co-authors are Nicholas James Leeper, MD (4 shared papers), Erik B. Kistler, MD (3 shared papers) and Mahmoud Malas, MD (3 shared papers).

What insurance does Dr. Tom Alsaigh accept?

Dr. Alsaigh is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

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