Bert Liu
- Medicare services, 2024
- 1,740
- Medicare patients, 2024
- 652
- Part D claims, 2024
- 369
- MIPS score, 2024
- 75
- Hospital affiliations
- 1
- Practice address
- 39 Congress Street, Suite 310, Pasadena, CA 91105
- Practice phone
- Call (626) 795-0282
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Huntington Specialty Surgery Center
Surgery Center - Medicare-Certified · Pasadena, California
Find Bert Liu'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.
Bert Liu is a pulmonologist in Pasadena, California
Bert Liu practices at Huntington Specialty Surgery Center in Pasadena, California.
Bert Liu's NPI, 1437511607, was assigned on March 25, 2016. Bert Liu graduated from Boston University School Of Medicine in 2015. Bert Liu's California license number on file is A154347.
- NPI
- 1437511607NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496088593
- NPI enumeration date
- March 25, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (626) 795-0282
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Bert Liu practices at Huntington Specialty Surgery Center in Pasadena, California
Bert Liu's primary practice is Huntington Specialty Surgery Center, at 39 Congress Street, Suite 310, Pasadena, CA 91105. The practice phone is (626) 795-0282.
- Huntington Specialty Surgery Center39 Congress Street, Suite 310, Pasadena, CA 91105Phone(626) 795-0282
Source: Dmand AI Affiliation Data
Bert Liu is affiliated with 3 sites of care and 1 medical group
Bert Liu's primary practice is Huntington Specialty Surgery Center in Pasadena, California. Bert Liu is also affiliated with Huntington Hospital. The medical group on file is Huntington Pulmonary Medical Group. Dmand AI also links Bert Liu to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Bert Liu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Bert Liu practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Huntington Specialty Surgery Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Bert Liu is one of 1,339 pulmonologists in California
Pulmonary disease is Bert Liu's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Bert Liu is board certified in critical care medicine by the American Board of Internal Medicine. Bert Liu has a license on file in California.
Specialties and state licenses
- Pulmonary disease, CaliforniaPrimary
Clinical focus
Dmand AI lists asthma, atrial fibrillation and flutter, cerebrovascular disease, chronic diabetes, chronic hypertension, chronic kidney disease, chronic obstructive pulmonary disease (COPD) and coronary artery disease among the conditions Bert Liu treats.
Pulmonologists near Bert Liu
Counts of pulmonologists 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
Bert Liu billed Medicare for 1,740 services in 2024
CMS data shows 1,740 Medicare services from Bert Liu across 16 procedure codes in 2024, for 652 Medicare patients. Medicare paid $204,170 for them.
Bert Liu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,3482024: 1,60119%
- Tests and treatments
- 2023: 02024: 56
- Surgery
- 2023: 182024: 51183%
- Imaging
- 2023: 202024: 3260%
Where Bert Liu's Medicare services took place, 2024
- In an office25315%
- In a facility1,48785%
Bert Liu compared with the California median for pulmonologists, 2024
- Bert Liu
- California median
- Medicare services
- 1,740vs 6492.7 times
- Medicare patients
- 652vs 2722.4 times
- Part D claims
- 203vs 42152% below
Medians across 1,263 pulmonologists in California with Dmand AI profiles that report each measure.
Bert Liu'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.
Need commercial claims for Bert Liu?
Medicare shows one payer. Book a meeting to get commercial claims data for Bert Liu and other pulmonologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Bert Liu treated 652 Medicare patients in 2024, average age 77
CMS counts 652 Medicare patients who saw Bert Liu in 2024. The largest group is 75 to 84, with 245 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 48% are also on Medicaid. Their average risk score is 2.79, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Bert Liu's median patient age at 68, with 48% women.
Bert Liu's Medicare patients by age, 2024
Bert Liu's Medicare patients by sex, 2024
- Women33852%
- Men31448%
Chronic conditions among Bert Liu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Ischemic heart disease59%
- Heart failure58%
- Chronic kidney disease52%
- Diabetes51%
- Mood disorders45%
Share of Medicare patients with each condition. A patient can have several.
Bert Liu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Bert Liu wrote 369 Medicare Part D claims in 2024
In 2024, Bert Liu wrote 369 Medicare Part D claims for 79 patients. 53% of them were for generic drugs. CMS names the drug for 203 of them, across 7 drugs with 11 or more claims each, at $37,096 in total drug cost. In 2023, CMS named 37 claims across 2 drugs.
Bert Liu's Part D claims by kind of drug, 2024
- Generic196 claims53%
- Brand-name173 claims47%
Bert Liu'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 Bert Liu's Part D claims, 2024
- Antibiotics8%31 of 369 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: 372024: 203449%
Drugs named by CMS: 7 in 2024, 2 in 2023.
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
Bert Liu scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Bert Liu for performance year 2024, reported as part of a group. Bert Liu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Bert Liu as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- MIPS final score, 2024
- 75 of 100
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Bert Liu received $709 in industry payments from 2022 to 2025
CMS Open Payments shows 19 general payments to Bert Liu from 9 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. CVRx, Inc. paid the most, $165.
General payments to Bert Liu by program year, 2022 to 2025
Companies that paid Bert Liu the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Bert Liu graduated from Boston University School Of Medicine
Bert Liu graduated from Boston University School Of Medicine in 2015.
- Medical school
- Board certified in critical care medicine
- Board certified in internal medicine
- Board certified in pulmonary disease
Source: Dmand AI Professional Profile Data
Bert Liu accepts plans from 9 insurance carriers
Bert Liu is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- LA Care
- Regence Health Plans
- CMS Medicare
- Humana
- +1 more carriersWith a free account
Plan types Bert Liu accepts, by number of carriers
- Medicare7
- PPO5
- HMO3
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Bert Liu'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Bert Liu
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Bert Liu's NPI number?
Bert Liu's NPI number is 1437511607. It was assigned on March 25, 2016, and it is active in the NPI Registry.
What does Bert Liu specialize in?
Bert Liu is a pulmonologist in Pasadena, California. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Bert Liu practice?
Bert Liu practices at 39 Congress Street, Suite 310, Pasadena, CA 91105. Bert Liu's primary practice is Huntington Specialty Surgery Center in Pasadena, California. Dmand AI also links Bert Liu to 1 group practice or clinic.
What is Bert Liu's office phone number?
The practice phone on file for Bert Liu is (626) 795-0282.
What is Bert Liu's medical license number?
Bert Liu's California license number on file is A154347.
Which hospitals is Bert Liu affiliated with?
Bert Liu is affiliated with Huntington Hospital.
What medical group is Bert Liu part of?
Bert Liu is linked to Huntington Pulmonary Medical Group.
Does Bert Liu accept Medicare?
Yes. CMS data shows Bert Liu billed Medicare for 1,740 services in 2024, and Bert Liu accepts Medicare assignment.
Does Bert Liu offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Bert Liu as offering telehealth services.
What is Bert Liu's MIPS score?
Bert Liu's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Bert Liu see?
CMS counts 652 Medicare patients who saw Bert Liu in 2024, with an average age of 77.
Is Bert Liu board certified?
Yes. Bert Liu is board certified in critical care medicine by the American Board of Internal Medicine.
What services does Bert Liu bill to Medicare?
In 2024, Bert Liu's most billed Medicare services were hospital inpatient care (99233), critical care (99291) and hospital inpatient care (99223).
Where did Bert Liu go to medical school?
Bert Liu graduated from Boston University School Of Medicine in 2015.
What drugs does Bert Liu prescribe most?
In 2024 Medicare Part D data, Bert Liu's most prescribed drugs by claims were Albuterol Sulfate Hfa, Trelegy Ellipta and Prednisone.
Has Bert Liu received payments from drug or device companies?
CMS Open Payments shows $709 in general payments to Bert Liu from 9 companies from 2022 to 2025. The largest total came from CVRx, Inc.
How long has Bert Liu been practicing?
Bert Liu graduated from medical school in 2015, 11 years ago.
What insurance does Bert Liu accept?
Bert Liu is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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