Dr. Hongguang Liu, MD

  • Redding, CA
  • Gastroenterologist
NPI1780892117PAC ID4587858477
Medicare services, 2024
911
Medicare patients, 2024
498
Part D claims, 2024
336
Publications
55
MIPS score, 2024
71
Practice address
2179 Court Street, Redding, CA 96001
Practice phone
Call (530) 246-7000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Redding Endoscopy Center

Surgery Center - Medicare-Certified · Redding, California

See all 5 affiliations

Find Dr. 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.

View contacts for free

Dr. Hongguang Liu is a gastroenterologist in Redding, California

Dr. Liu practices at Redding Endoscopy Center in Redding, California.

Dr. Liu's NPI, 1780892117, was assigned on May 18, 2007. Dr. Liu graduated from Binzhou Medical University in 1994. Dr. Liu holds California license A120683.

NPI and contact details
Medicare PAC ID
4587858477
NPI enumeration date
May 18, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(530) 246-7000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
58
Medical school graduation
1994

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

Dr. Hongguang Liu practices at Redding Endoscopy Center in Redding, California

Dr. Liu's primary practice is Redding Endoscopy Center, at 2179 Court Street, Redding, CA 96001. The practice phone is (530) 246-7000.

  • Redding Endoscopy Center
    2179 Court Street, Redding, CA 96001Phone(530) 246-7000

Source: Dmand AI Affiliation Data

Dr. Hongguang Liu is affiliated with 4 sites of care and 1 medical group

Dr. Liu's primary practice is Redding Endoscopy Center in Redding, California. Dr. Liu is also affiliated with Mercy Medical Center Redding. The medical group on file is Hazel Hawkins Memorial Hospital. Dmand AI also links Dr. Liu to 1 more hospital and 1 physician office, each named with a free account.

See all 5 affiliations for Dr. Liu

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

Dmand AI tracks the EHR system at Dr. Hongguang Liu's practice

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

EHR by site
SiteEHR vendor and product
Redding Endoscopy CenterAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Liu practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Hongguang Liu is one of 1,977 gastroenterologists in California

Gastroenterology is Dr. Liu's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Liu's licenses on file in 3 states: California, Illinois and New Jersey.

Specialties and state licenses

  • Gastroenterology, CaliforniaPrimaryLicense A120683 · 2012 to 2027 · taxonomy 207RG0100X
  • Illinois license2008 to 2014
  • New Jersey license2006 to 2010

Clinical focus

Dmand AI lists acid reflux, colonoscopy and upper GI endoscopy among the conditions Dr. Liu treats.

Gastroenterologists near Dr. Liu

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

1,977gastroenterologists in California
6gastroenterologists in Redding

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

Dr. Hongguang Liu billed Medicare for 911 services in 2024

CMS data shows 911 Medicare services from Dr. Liu across 12 procedure codes in 2024, for 498 Medicare patients. Medicare paid $94,891 for them.

Medicare services, 2024911
Medicare patients498
Paid by Medicare$94,891
Procedure codes12

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

  • 2023
  • 2024
Surgery
2023: 7382024: 6907%
Other services
2023: 2412024: 14241%
Office and hospital visits
2023: 1142024: 7931%

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

  • In an office162%
  • In a facility89598%

Dr. Liu compared with the California median for gastroenterologists, 2024

  • Dr. Liu
  • California median
Medicare services
911vs 58655% above
Medicare patients
498vs 30265% above
Part D claims
323vs 38015% below

Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.

Dr. 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.

See all procedures by Dr. Liu

Need commercial claims for Dr. Liu?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Liu and other gastroenterologists in California.

Book a meeting

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

Dr. Hongguang Liu treated 498 Medicare patients in 2024, average age 69

CMS counts 498 Medicare patients who saw Dr. Liu in 2024. The largest group is 65 to 74, with 356 patients. 75% of them have high cholesterol, and 67% have high blood pressure. 29% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Liu's median patient age at 59, with 56% women.

Medicare patients, 2024498
Average age69
Average risk score0.99
Also on Medicaid29%

Dr. Liu's Medicare patients by age, 2024

Dr. Liu's Medicare patients by sex, 2024

  • Women28758%
  • Men21142%

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

  1. High cholesterol75%
  2. High blood pressure67%
  3. Arthritis38%
  4. Diabetes31%
  5. Mood disorders24%
  6. Anxiety22%
  7. Depression21%
  8. Chronic kidney disease18%

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

Dr. 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 59

Patient panel by sex, all payers

  • Women56%
  • Men44%

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

Dr. Hongguang Liu wrote 336 Medicare Part D claims in 2024

In 2024, Dr. Liu wrote 336 Medicare Part D claims for 316 patients. 76% of them were for generic drugs. CMS names the drug for 323 of them, across 3 drugs with 11 or more claims each, at $9,131 in total drug cost. In 2023, CMS named 331 claims across 2 drugs.

Part D claims, 2024336
Drugs named by CMS3
Total drug cost$9,131
Part D patients316

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

  • Generic255 claims76%
  • Brand-name81 claims24%

Dr. 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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3312024: 3232%

Drugs named by CMS: 3 in 2024, 2 in 2023.

See all prescribing by Dr. Liu

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. Hongguang Liu scored 71 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 71 out of 100 for Dr. Liu for performance year 2024, reported individually. Dr. Liu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Liu as offering telehealth. CMS counts 207 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Liu, more than 91% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Liu's MIPS scores, performance year 2024

  • 71of 100Final score
  • 56.6of 100Quality
  • 72of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 55of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Liu ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
91st percentile207 procedures
Colonoscopy
86th percentile129 procedures

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

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

Find gastroenterologists like Dr. Liu 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.

Dr. Hongguang Liu has 55 publications on record

Dmand AI links 55 papers to Dr. Liu, published from 2009 to 2022. 2012 was the busiest year, with 9. The most frequent topics are Positron-Emission Tomography, Cell Line, Tumor and Mice, Nude. Dr. Liu has published most often in J Nucl Med. Dr. Liu's most frequent co-authors are Yingding Xu, MD, Kai Chen, MD and Billy W. Loo, MD, PhD.

Papers55
Years published2009 to 2022

Dr. Liu's papers by year, 2010 to 2022

Topics Dr. Liu writes about most

  • Positron-Emission Tomography
  • Cell Line, Tumor
  • Mice, Nude
  • Radiopharmaceuticals
  • Tissue Distribution
  • Fluorine Radioisotopes
  • Heterocyclic Compounds, 1-Ring
  • Molecular Imaging

Dr. Liu's most frequent co-authors

Recent publications by Dr. Liu

See all 55 publications and co-authors

See who Dr. Liu researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Liu works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Hongguang Liu received $3,007 in industry payments from 2016 to 2025

CMS Open Payments shows 124 general payments to Dr. Liu from 23 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 93% of the total. Abbvie Inc. paid the most, $956.

General payments to Dr. Liu by program year, 2016 to 2025

General payments to Dr. Liu by kind, 2016 to 2025

$3Kin total
  • Food and beverage$2,80593%
  • Gifts$2007%
  • Education$20%

Companies that paid Dr. Liu the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Liu

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

Dr. Hongguang Liu has 1 award and honors on record

Dmand AI lists 1 award for Dr. Liu, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Liu

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Hongguang Liu graduated from Binzhou Medical University

Dr. Liu graduated from Binzhou Medical University in 1994.

  1. Medical schoolBinzhou Medical University

Source: Dmand AI Professional Profile Data

Dr. Hongguang Liu accepts plans from 10 insurance carriers

Dr. Liu is in network with 10 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare
  • +2 more carriersWith a free account

Plan types Dr. Liu accepts, by number of carriers

  1. Medicare8
  2. PPO8
  3. HMO4
  4. POS4
  5. EPO3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Hongguang Liu'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 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)Clinician Public Reporting: Overall MIPS Performance (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)
Awards and committee rolesDmand AI Professional Profile Data
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. Hongguang 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 Dr. Hongguang Liu's NPI number?

Dr. Hongguang Liu's NPI number is 1780892117. It was assigned on May 18, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Hongguang Liu?

Dr. Hongguang Liu is a gastroenterologist in Redding, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Hongguang Liu practice?

Dr. Liu practices at 2179 Court Street, Redding, CA 96001. Dr. Liu's primary practice is Redding Endoscopy Center in Redding, California. Dmand AI also links Dr. Liu to 1 hospital and 1 physician office.

What is Dr. Hongguang Liu's office phone number?

The practice phone on file for Dr. Liu is (530) 246-7000.

What is Dr. Hongguang Liu's medical license number?

Dr. Liu holds California license A120683, one of the licenses on file in 3 states.

Which states has Dr. Hongguang Liu been licensed in?

Dmand AI has state licenses on file for Dr. Liu in California (2012 to 2027), Illinois (2008 to 2014) and New Jersey (2006 to 2010).

Which hospitals is Dr. Hongguang Liu affiliated with?

Dr. Liu is affiliated with Mercy Medical Center Redding. Dmand AI links Dr. Liu to 1 more hospital.

What medical group is Dr. Hongguang Liu part of?

Dr. Liu is linked to Hazel Hawkins Memorial Hospital.

Does Dr. Hongguang Liu accept Medicare?

Yes. CMS data shows Dr. Liu billed Medicare for 911 services in 2024, and Dr. Liu accepts Medicare assignment.

Does Dr. Hongguang Liu offer telehealth?

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

Show 10 more questionsShow fewer questions

What is Dr. Hongguang Liu's MIPS score?

Dr. Liu's MIPS final score for performance year 2024 is 71 out of 100, reported individually.

How many Medicare patients does Dr. Hongguang Liu see?

CMS counts 498 Medicare patients who saw Dr. Liu in 2024, with an average age of 69.

What services does Dr. Hongguang Liu bill to Medicare?

In 2024, Dr. Liu's most billed Medicare services were surgery: digestive system (45385), surgery: digestive system (45380) and surgery: digestive system (43239).

Where did Dr. Hongguang Liu go to medical school?

Dr. Liu graduated from Binzhou Medical University in 1994.

What drugs does Dr. Hongguang Liu prescribe most?

In 2024 Medicare Part D data, Dr. Liu's most prescribed drugs by claims were Peg 3350-Electrolyte, Pantoprazole Sodium and Plenvu.

Has Dr. Hongguang Liu received payments from drug or device companies?

CMS Open Payments shows $3,007 in general payments to Dr. Liu from 23 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Hongguang Liu been practicing?

Dr. Liu graduated from medical school in 1994, 32 years ago.

Does Dr. Hongguang Liu do research?

Dmand AI links 55 publications to Dr. Liu, published from 2009 to 2022.

Who does Dr. Hongguang Liu publish with?

Dr. Liu's most frequent co-authors are Yingding Xu, MD (6 shared papers), Kai Chen, MD (2 shared papers) and Billy W. Loo, MD, PhD (2 shared papers).

What insurance does Dr. Hongguang Liu accept?

Dr. Liu is in network with 10 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

Selling to gastroenterology practices?

See gastroenterologists 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

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)