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Dr. Thomas Lac Ha-Long, MD

  • Downey, CA
  • Anesthesiologist
NPI1891764205
Hospital affiliations
2
Industry payments
$788
Medical group
1
Insurance carriers
1
State license
1
Practice address
9333 Imperial Highway, Downey, CA 90242
Practice phone
Call (562) 461-6007
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Downey Medical Center

Hospital · Downey, California

See all 4 affiliations

Find Dr. Ha-Long's professional email, personal email and mobile number

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Dr. Thomas Lac Ha-Long is an anesthesiologist in Downey, California

Dr. Ha-Long practices at Downey Medical Center in Downey, California, part of Kaiser Permanente.

Dr. Ha-Long's NPI, 1891764205, was assigned on March 16, 2006. Dr. Ha-Long graduated from David Geffen School of Medicine at UCLA in 1989. Dr. Ha-Long's California license number on file is G69293.

NPI and contact details
NPI
1891764205NPI Registry (opens in a new tab)
NPI enumeration date
March 16, 2006
NPI status
Active
Practice phone
(562) 461-6007
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Medical school graduation
1989

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

Dr. Thomas Lac Ha-Long practices at Downey Medical Center in Downey, California

Dr. Ha-Long's primary practice is Downey Medical Center, at 9333 Imperial Highway, Downey, CA 90242 in Los Angeles County. The practice phone is (562) 461-6007.

  • Downey Medical Center
    9333 Imperial Highway, Downey, CA 90242 · Los Angeles CountyPhone(562) 461-6007

Source: Dmand AI Affiliation Data

Dr. Thomas Lac Ha-Long is affiliated with 3 sites of care and 1 medical group

Dr. Ha-Long's primary practice is Downey Medical Center in Downey, California, part of Kaiser Permanente. Dr. Ha-Long is also affiliated with College Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Ha-Long to 1 more breast imaging center, named with a free account.

College Medical CenterAcute care hospital, Long Beach, CASouthern California Permanente Medical GroupPrimary care group, Pasaden, CA1 breast imaging centerName with a free account
See all 4 affiliations for Dr. Ha-Long

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Thomas Lac Ha-Long's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ha-Long practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Downey Medical CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Thomas Lac Ha-Long is one of 6,593 anesthesiologists in California

Anesthesiology is Dr. Ha-Long's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Ha-Long is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Ha-Long has a license on file in California.

Specialties and state licenses

  • Anesthesiology, CaliforniaPrimaryLicense G69293 · 1990 to 2025 · taxonomy 207L00000X

Anesthesiologists near Dr. Ha-Long

Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.

6,593anesthesiologists in California54anesthesiologists in Downey36anesthesiologists at Downey Medical Center

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

Dr. Thomas Lac Ha-Long's patients have a median age of 57

Across all payers, Dmand AI patient panel data puts Dr. Ha-Long's median patient age at 57, with 55% women.

Dr. Ha-Long's patients across all payers

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

Patient panel by age, all payers

Median age 57

Patient panel by sex, all payers

  • Women55%
  • Men45%

Source: Dmand AI Patient Panel Data

Dr. Thomas Lac Ha-Long received $788 in industry payments from 2017 to 2025

CMS Open Payments shows 11 general payments to Dr. Ha-Long from 5 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $575.

General payments to Dr. Ha-Long by program year, 2017 to 2025

Companies that paid Dr. Ha-Long the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ha-Long

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

Dr. Thomas Lac Ha-Long graduated from David Geffen School of Medicine at UCLA

Dr. Ha-Long graduated from David Geffen School of Medicine at UCLA in 1989.

  1. Medical schoolDavid Geffen School of Medicine at UCLA
  2. Board certified in anesthesiologyAmerican Board of Anesthesiology

Source: Dmand AI Professional Profile Data

Dr. Thomas Lac Ha-Long accepts plans from 1 insurance carrier

Dr. Ha-Long is in network with 1 carrier, including Aetna. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Aetna

Plan types Dr. Ha-Long accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. POS1
  4. PPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Thomas Lac Ha-Long'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
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. Thomas Lac Ha-Long

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. Thomas Lac Ha-Long's NPI number?

Dr. Thomas Lac Ha-Long's NPI number is 1891764205. It was assigned on March 16, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Thomas Lac Ha-Long?

Dr. Thomas Lac Ha-Long is an anesthesiologist in Downey, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).

Where does Dr. Thomas Lac Ha-Long practice?

Dr. Ha-Long practices at 9333 Imperial Highway, Downey, CA 90242. Dr. Ha-Long's primary practice is Downey Medical Center in Downey, California, part of Kaiser Permanente. Dmand AI also links Dr. Ha-Long to 1 breast imaging center.

What is Dr. Thomas Lac Ha-Long's office phone number?

The practice phone on file for Dr. Ha-Long is (562) 461-6007.

What is Dr. Thomas Lac Ha-Long's medical license number?

Dr. Ha-Long's California license number on file is G69293.

Which hospitals is Dr. Thomas Lac Ha-Long affiliated with?

Dr. Ha-Long practices at Downey Medical Center in Downey, California. Dr. Ha-Long is also affiliated with College Medical Center.

What medical group is Dr. Thomas Lac Ha-Long part of?

Dr. Ha-Long is linked to Southern California Permanente Medical Group.

Is Dr. Thomas Lac Ha-Long board certified?

Yes. Dr. Ha-Long is board certified in anesthesiology by the American Board of Anesthesiology.

Where did Dr. Thomas Lac Ha-Long go to medical school?

Dr. Ha-Long graduated from David Geffen School of Medicine at UCLA in 1989.

Has Dr. Thomas Lac Ha-Long received payments from drug or device companies?

CMS Open Payments shows $788 in general payments to Dr. Ha-Long from 5 companies from 2017 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Thomas Lac Ha-Long been practicing?

Dr. Ha-Long graduated from medical school in 1989, 37 years ago.

What insurance does Dr. Thomas Lac Ha-Long accept?

Dr. Ha-Long is in network with 1 carrier, including Aetna. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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