Ann Vasc Surg
AllograftsAnti-Bacterial AgentsAorta, Abdominal
Liang Liang
NPI1538665880PAC ID5294279436
- Medicare services, 2024
- 325
- Medicare patients, 2024
- 121
- Part D claims, 2024
- 36
- Publications
- 2
- Hospital affiliations
- 4
- Practice address
- 2540 East St, Concord, CA 94520
- Practice phone
- Call (925) 682-8200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Liang Liang'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.
Liang Liang is an internist in Concord, California
Liang Liang practices at Concord Medical Center in Concord, California, part of John Muir Health.
Liang Liang's NPI, 1538665880, was assigned on April 4, 2018. Liang Liang graduated from Wayne State University School Of Medicine in 2018. Liang Liang's California license number on file is A166466.
NPI and contact details
- NPI
- 1538665880NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294279436
- NPI enumeration date
- April 4, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (925) 682-8200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Liang Liang practices at Concord Medical Center in Concord, California
Liang Liang's primary practice is Concord Medical Center, at 2540 East St, Concord, CA 94520 in Contra Costa County. The practice phone is (925) 682-8200.
- Concord Medical Center2540 East St, Concord, CA 94520 · Contra Costa CountyPhone(925) 682-8200
Source: Dmand AI Affiliation Data
Liang Liang is affiliated with 5 sites of care and 3 medical groups
Liang Liang's primary practice is Concord Medical Center in Concord, California, part of John Muir Health. Liang Liang is also affiliated with John Muir Medical Center, Walnut Creek. The medical group on file is John Muir Health. Dmand AI also links Liang Liang to 2 more hospitals, 2 medical groups and 1 group practice or clinic, each named with a free account.
John Muir Medical Center, Walnut CreekJohn Muir Health2 hospitalsNames with a free account2 medical groupsNames with a free account1 group practice or clinicName with a free account
See all 8 affiliations for Liang LiangSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Liang Liang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Liang Liang practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Concord Medical Center | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Liang Liang practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across John Muir Health and 6.2K+ hospitals, with verified contacts in the same login.
Liang Liang is one of 16,751 internists in California
Internal medicine is Liang Liang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Liang Liang is board certified in critical care medicine by the American Board of Internal Medicine. Liang Liang has a license on file in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Liang Liang
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
Liang Liang billed Medicare for 325 services in 2024
CMS data shows 325 Medicare services from Liang Liang across 4 procedure codes in 2024, for 121 Medicare patients. Medicare paid $39,799 for them.
Medicare services, 2024325
Medicare patients121
Paid by Medicare$39,799
Procedure codes4
Where Liang Liang's Medicare services took place, 2024
- In an office113%
- In a facility31497%
Liang Liang compared with the California median for internists, 2024
- Liang Liang
- California median
- Medicare services
- 325vs 36110% below
- Medicare patients
- 121vs 15120% below
- Part D claims
- 11vs 42197% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Liang Liang'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 Liang Liang?
Medicare shows one payer. Book a meeting to get commercial claims data for Liang Liang and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Liang Liang treated 121 Medicare patients in 2024, average age 77
CMS counts 121 Medicare patients who saw Liang Liang in 2024. The largest group is 75 to 84, with 44 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 45% are also on Medicaid. Their average risk score is 3.00, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Liang Liang's median patient age at 67, with 47% women.
Medicare patients, 2024121
Average age77
Average risk score3.00
Also on Medicaid45%
Liang Liang's Medicare patients by age, 2024
Liang Liang's Medicare patients by sex, 2024
- Women6251%
- Men5949%
Chronic conditions among Liang Liang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Heart failure60%
- COPD57%
- Chronic kidney disease57%
- Atrial fibrillation53%
- Arthritis46%
- Diabetes44%
Share of Medicare patients with each condition. A patient can have several.
Liang Liang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women47%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Liang Liang wrote 36 Medicare Part D claims in 2024
In 2024, Liang Liang wrote 36 Medicare Part D claims for 14 patients. 58% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $5,067 in total drug cost.
Part D claims, 202436
Drugs named by CMS1
Total drug cost$5,067
Part D patients14
Liang Liang's Part D claims by kind of drug, 2024
- Generic21 claims58%
- Brand-name15 claims42%
Liang Liang's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
Liang Liang offers telehealth to Medicare patients
Liang Liang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Liang Liang as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Find internists like Liang Liang by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Liang Liang has 2 publications on record
Dmand AI links 2 papers to Liang Liang, published from 2016 to 2018. Liang Liang's most frequent co-authors are Liang Liang, MD, Jordan Huang, MD and Loay S. Kabbani, MD.
Papers2
Years published2016 to 2018
Liang Liang's most frequent co-authors
Recent publications by Liang Liang
Metab Brain Dis
Cerebral CortexDisease ProgressionMagnetic Resonance Imaging
See who Liang Liang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Liang Liang works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Liang Liang received $5,984 in industry payments from 2024 to 2025
CMS Open Payments shows 25 general payments to Liang Liang from 10 drug and device companies from 2024 to 2025. Education make up the largest share, 92% of the total. Intuitive Surgical, Inc. paid the most, $5,516.
General payments to Liang Liang by program year, 2024 to 2025
General payments to Liang Liang by kind, 2024 to 2025
$6Kin total
- Education$5,50092%
- Food and beverage$4848%
Companies that paid Liang Liang the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Liang Liang graduated from Wayne State University School Of Medicine
Liang Liang graduated from Wayne State University School Of Medicine in 2018.
- Medical school
- Board certified in critical care medicine
- Board certified in internal medicine
- Board certified in pulmonary disease
Source: Dmand AI Professional Profile Data
Liang Liang accepts plans from 3 insurance carriers
Liang Liang is in network with 3 carriers, including Aetna, CMS Medicare and Molina. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Aetna
- CMS Medicare
- Molina
Plan types Liang Liang accepts, by number of carriers
- Medicare2
- EPO1
- HMO1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Liang Liang'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Liang Liang
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Liang Liang's NPI number?
Liang Liang's NPI number is 1538665880. It was assigned on April 4, 2018, and it is active in the NPI Registry.
What does Liang Liang specialize in?
Liang Liang is an internist in Concord, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Liang Liang practice?
Liang Liang practices at 2540 East St, Concord, CA 94520. Liang Liang's primary practice is Concord Medical Center in Concord, California, part of John Muir Health. Dmand AI also links Liang Liang to 2 hospitals, 2 medical groups and 1 group practice or clinic.
What is Liang Liang's office phone number?
The practice phone on file for Liang Liang is (925) 682-8200.
What is Liang Liang's medical license number?
Liang Liang's California license number on file is A166466.
Which hospitals is Liang Liang affiliated with?
Liang Liang practices at Concord Medical Center in Concord, California. Liang Liang is also affiliated with John Muir Medical Center, Walnut Creek. Dmand AI links Liang Liang to 2 more hospitals.
What medical group is Liang Liang part of?
Liang Liang is linked to John Muir Health. Dmand AI links Liang Liang to 2 more medical groups.
Does Liang Liang accept Medicare?
Yes. CMS data shows Liang Liang billed Medicare for 325 services in 2024, and Liang Liang accepts Medicare assignment.
Does Liang Liang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Liang Liang as offering telehealth services.
How many Medicare patients does Liang Liang see?
CMS counts 121 Medicare patients who saw Liang Liang in 2024, with an average age of 77.
Show 9 more questionsShow fewer questions
Is Liang Liang board certified?
Yes. Liang Liang is board certified in critical care medicine by the American Board of Internal Medicine.
What services does Liang Liang bill to Medicare?
In 2024, Liang Liang's most billed Medicare services were hospital inpatient care (99232), critical care (99291) and hospital inpatient care (99222).
Where did Liang Liang go to medical school?
Liang Liang graduated from Wayne State University School Of Medicine in 2018.
What drugs does Liang Liang prescribe most?
In 2022 Medicare Part D data, Liang Liang's most prescribed drugs by claims were Anoro Ellipta.
Has Liang Liang received payments from drug or device companies?
CMS Open Payments shows $5,984 in general payments to Liang Liang from 10 companies from 2024 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Liang Liang been practicing?
Liang Liang graduated from medical school in 2018, 8 years ago.
Does Liang Liang do research?
Dmand AI links 2 publications to Liang Liang, published from 2016 to 2018.
Who does Liang Liang publish with?
Liang Liang's most frequent co-authors are Liang Liang, MD (2 shared papers), Jordan Huang, MD (1 shared paper) and Loay S. Kabbani, MD (1 shared paper).
What insurance does Liang Liang accept?
Liang Liang is in network with 3 carriers, including Aetna, CMS Medicare and Molina. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
Selling to internal medicine practices?
See internists 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