Dr. John Brian Chan Lim II, MD

  • San Antonio, TX
  • Internist
NPI1265767768PAC ID2961673843
Medicare services, 2024
2,842
Medicare patients, 2024
380
Part D claims, 2024
7,251
Hospital affiliations
1
Industry payments
$1,628
Practice address
810 SE Military Dr, San Antonio, TX 78214
Practice phone
Call (210) 731-4800
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Healthtexas Medical Group of San Antonio

San Antonio, Texas

See all 6 affiliations

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Dr. John Brian Chan Lim II is an internist in San Antonio, Texas

Dr. Lim practices at Healthtexas Medical Group of San Antonio in San Antonio, Texas.

Dr. Lim's NPI, 1265767768, was assigned on October 16, 2009. Dr. Lim graduated from Cebu Institute of Medicine in 2000. Dr. Lim holds Texas license Q4451.

NPI and contact details
Medicare PAC ID
2961673843
NPI enumeration date
October 16, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(210) 731-4800
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
52
Medical school graduation
2000

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

Dr. John Brian Chan Lim II practices at Healthtexas Medical Group of San Antonio in San Antonio, Texas

Dr. Lim's primary practice is Healthtexas Medical Group of San Antonio, at 810 SE Military Dr, San Antonio, TX 78214 in Bexar County. The practice phone is (210) 731-4800.

  • Healthtexas Medical Group of San Antonio
    810 SE Military Dr, San Antonio, TX 78214 · Bexar CountyPhone(210) 731-4800

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

Dr. John Brian Chan Lim II is affiliated with 5 sites of care and 1 medical group

Dr. Lim's primary practice is Healthtexas Medical Group of San Antonio in San Antonio, Texas. Dr. Lim is also affiliated with Baptist Medical Center. The medical group on file is HealthTexas Medical Group. Dmand AI also links Dr. Lim to 2 more home health agencies and 1 group practice or clinic, each named with a free account.

See all 6 affiliations for Dr. Lim

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

Dmand AI tracks the EHR system at Dr. John Brian Chan Lim II's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lim practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Healthtexas Medical Group of San AntonioAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Brian Chan Lim II is one of 8,437 internists in Texas

Internal medicine is Dr. Lim's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lim is board certified in hospice and palliative medicine by the American Board of Internal Medicine. Dmand AI has Dr. Lim's licenses on file in 2 states: Texas and Ohio.

Specialties and state licenses

  • Internal medicine, TexasPrimaryLicense Q4451 · 2015 to 2027 · taxonomy 207R00000X
  • Ohio license2010 to 2016

Internists near Dr. Lim

Counts of internists 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. John Brian Chan Lim II billed Medicare for 2,842 services in 2024

CMS data shows 2,842 Medicare services from Dr. Lim across 26 procedure codes in 2024, for 380 Medicare patients. Medicare paid $107,435 for them. Every service was in an office.

Medicare services, 20242,842
Medicare patients380
Paid by Medicare$107,435
Procedure codes26

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

  • 2023
  • 2024
Lab and pathology
2023: 1,0322024: 1,27023%
Office and hospital visits
2023: 6442024: 85232%
Surgery
2023: 3202024: 44639%
Other services
2023: 1352024: 18739%
Tests and treatments
2023: 682024: 8728%

Dr. Lim compared with the Texas median for internists, 2024

  • Dr. Lim
  • Texas median
Medicare services
2,842vs 5395.3 times
Medicare patients
380vs 1902.0 times
Part D claims
6,616vs 28922.9 times

Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.

Dr. Lim'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. Lim

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

Dr. John Brian Chan Lim II treated 380 Medicare patients in 2024, average age 73

CMS counts 380 Medicare patients who saw Dr. Lim in 2024. The largest group is 65 to 74, with 218 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.95, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Lim's median patient age at 63, with 56% women.

Medicare patients, 2024380
Average age73
Average risk score0.95

Dr. Lim's Medicare patients by age, 2024

Dr. Lim's Medicare patients by sex, 2024

  • Women21557%
  • Men16543%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis39%
  4. Diabetes36%
  5. Chronic kidney disease24%
  6. Mood disorders22%
  7. Depression21%
  8. Ischemic heart disease21%

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

Dr. Lim's patients across all payers

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

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women56%
  • Men43%

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

Dr. John Brian Chan Lim II wrote 7,251 Medicare Part D claims in 2024

In 2024, Dr. Lim wrote 7,251 Medicare Part D claims for 597 patients. 87% of them were for generic drugs. CMS names the drug for 6,616 of them, across 122 drugs with 11 or more claims each, at $782,688 in total drug cost. In 2023, CMS named 4,410 claims across 98 drugs.

Part D claims, 20247,251
Drugs named by CMS122
Total drug cost$782,688
Part D patients597

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

  • Generic6,300 claims87%
  • Brand-name900 claims12%
  • Other51 claims1%

Dr. Lim'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. Lim's Part D claims, 2024

  • Opioids2%170 of 7,251 claims
  • Antibiotics4%267 of 7,251 claims
  • Antipsychotics, patients 65 and over0%29 of 7,251 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: 4,4102024: 6,61650%

Drugs named by CMS: 122 in 2024, 98 in 2023.

See all prescribing by Dr. Lim

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. John Brian Chan Lim II offers telehealth to Medicare patients

Dr. Lim accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lim as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. John Brian Chan Lim II received $1,628 in industry payments from 2016 to 2024

CMS Open Payments shows 49 general payments to Dr. Lim from 11 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 96% of the total. AstraZeneca Pharmaceuticals LP paid the most, $614.

General payments to Dr. Lim by program year, 2016 to 2024

General payments to Dr. Lim by kind, 2016 to 2024

$1.6Kin total
  • Food and beverage$1,56496%
  • Education$654%

Companies that paid Dr. Lim the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Lim

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

Dr. John Brian Chan Lim II graduated from Cebu Institute of Medicine

Dr. Lim graduated from Cebu Institute of Medicine in 2000.

  1. Medical schoolCebu Institute of Medicine
  2. Board certified in hospice and palliative medicineAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. John Brian Chan Lim II accepts plans from 10 insurance carriers

Dr. Lim is in network with 10 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 6. Check the plan with the practice before a visit.

Plan types Dr. Lim accepts, by number of carriers

  1. HMO6
  2. PPO5
  3. POS4
  4. Medicare3
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. John Brian Chan Lim II'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)
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. John Brian Chan Lim II

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. John Brian Chan Lim II's NPI number?

Dr. John Brian Chan Lim II's NPI number is 1265767768. It was assigned on October 16, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. John Brian Chan Lim II?

Dr. John Brian Chan Lim II is an internist in San Antonio, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. John Brian Chan Lim II practice?

Dr. Lim practices at 810 SE Military Dr, San Antonio, TX 78214. Dr. Lim's primary practice is Healthtexas Medical Group of San Antonio in San Antonio, Texas. Dmand AI also links Dr. Lim to 2 home health agencies and 1 group practice or clinic.

What is Dr. John Brian Chan Lim II's office phone number?

The practice phone on file for Dr. Lim is (210) 731-4800.

What is Dr. John Brian Chan Lim II's medical license number?

Dr. Lim holds Texas license Q4451, one of the licenses on file in 2 states.

Which states has Dr. John Brian Chan Lim II been licensed in?

Dmand AI has state licenses on file for Dr. Lim in Texas (2015 to 2027) and Ohio (2010 to 2016).

Which hospitals is Dr. John Brian Chan Lim II affiliated with?

Dr. Lim is affiliated with Baptist Medical Center.

What medical group is Dr. John Brian Chan Lim II part of?

Dr. Lim is linked to HealthTexas Medical Group.

Does Dr. John Brian Chan Lim II accept Medicare?

Yes. CMS data shows Dr. Lim billed Medicare for 2,842 services in 2024, and Dr. Lim accepts Medicare assignment.

Does Dr. John Brian Chan Lim II offer telehealth?

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

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. John Brian Chan Lim II see?

CMS counts 380 Medicare patients who saw Dr. Lim in 2024, with an average age of 73.

Is Dr. John Brian Chan Lim II board certified?

Yes. Dr. Lim is board certified in hospice and palliative medicine by the American Board of Internal Medicine.

What services does Dr. John Brian Chan Lim II bill to Medicare?

In 2024, Dr. Lim's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and lab and pathology test (80053).

Where did Dr. John Brian Chan Lim II go to medical school?

Dr. Lim graduated from Cebu Institute of Medicine in 2000.

What drugs does Dr. John Brian Chan Lim II prescribe most?

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

Has Dr. John Brian Chan Lim II received payments from drug or device companies?

CMS Open Payments shows $1,628 in general payments to Dr. Lim from 11 companies from 2016 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. John Brian Chan Lim II been practicing?

Dr. Lim graduated from medical school in 2000, 26 years ago.

What insurance does Dr. John Brian Chan Lim II accept?

Dr. Lim is in network with 10 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 6. Check the plan with the practice before a visit.

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