Dr. Long Phi Dang, MD
- Medicare services, 2024
- 7,348
- Medicare patients, 2024
- 1,341
- Part D claims, 2024
- 2,620
- Hospital affiliations
- 2
- Industry payments
- $190,600
- Practice address
- 14571 Magnolia Street Suite 107, Westminster, CA 92683
- Practice phone
- Call (714) 387-2778
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Magnolia Surgery Center - Westminster
Surgery Center - Medicare-Certified · Westminster, California
Find Dr. Dang'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.
Dr. Long Phi Dang is a gastroenterologist in Westminster, California
Dr. Dang practices at Magnolia Surgery Center - Westminster in Westminster, California.
Dr. Dang's NPI, 1346324613, was assigned on October 24, 2006. Dr. Dang graduated from Loyola University Chicago Stritch School of Medicine in 1993. Dr. Dang holds California license G80593.
- NPI
- 1346324613NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345138384
- NPI enumeration date
- October 24, 2006
- NPI status
- Active
- Practice phone
- (714) 387-2778
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Long Phi Dang practices at Magnolia Surgery Center - Westminster in Westminster, California
Dr. Dang's primary practice is Magnolia Surgery Center - Westminster, at 14571 Magnolia Street Suite 107, Westminster, CA 92683. The practice phone is (714) 387-2778.
- Magnolia Surgery Center - Westminster14571 Magnolia Street Suite 107, Westminster, CA 92683Phone(714) 387-2778
Source: Dmand AI Affiliation Data
Dr. Long Phi Dang is affiliated with 4 sites of care and 1 medical group
Dr. Dang's primary practice is Magnolia Surgery Center - Westminster in Westminster, California. Dr. Dang is also affiliated with UCI Health - Orange. The medical group on file is Long P Dang, MD. Dmand AI also links Dr. Dang to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Long Phi Dang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dang practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Magnolia Surgery Center - Westminster | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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. Long Phi Dang is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Dang's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Dang is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Dang is licensed in California.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, colonoscopy, gastroduodenitis, gastrointestinal bleeding, hepatitis c, irritable bowel syndrome (IBS), pancreas or bile duct endoscopy (ERCP) and upper GI endoscopy among the conditions Dr. Dang treats.
Gastroenterologists near Dr. Dang
Counts of gastroenterologists 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. Long Phi Dang billed Medicare for 7,348 services in 2024
CMS data shows 7,348 Medicare services from Dr. Dang across 25 procedure codes in 2024, for 1,341 Medicare patients. Medicare paid $601,078 for them.
Dr. Dang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3,1542024: 4,23934%
- Lab and pathology
- 2023: 02024: 1,623
- Surgery
- 2023: 1,4732024: 1,4084%
- Imaging
- 2023: 432024: 422%
- Other services
- 2023: 532024: 3632%
Where Dr. Dang's Medicare services took place, 2024
- In an office2,04128%
- In a facility5,30772%
Dr. Dang compared with the California median for gastroenterologists, 2024
- Dr. Dang
- California median
- Medicare services
- 7,348vs 58612.5 times
- Medicare patients
- 1,341vs 3024.4 times
- Part D claims
- 2,511vs 3806.6 times
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Dr. Dang'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 Dr. Dang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dang and other gastroenterologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Long Phi Dang treated 1,341 Medicare patients in 2024, average age 76
CMS counts 1,341 Medicare patients who saw Dr. Dang in 2024. The largest group is 65 to 74, with 550 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 90% are also on Medicaid. Their average risk score is 2.51, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Dang's median patient age at 64, with 56% women.
Dr. Dang's Medicare patients by age, 2024
Dr. Dang's Medicare patients by sex, 2024
- Women74455%
- Men59745%
Chronic conditions among Dr. Dang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes58%
- Chronic kidney disease54%
- Arthritis53%
- Ischemic heart disease46%
- Heart failure37%
- Alzheimer's and dementia33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
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. Long Phi Dang wrote 2,620 Medicare Part D claims in 2024
In 2024, Dr. Dang wrote 2,620 Medicare Part D claims for 948 patients. 81% of them were for generic drugs. CMS names the drug for 2,511 of them, across 22 drugs with 11 or more claims each, at $498,839 in total drug cost. In 2023, CMS named 3,322 claims across 26 drugs.
Dr. Dang's Part D claims by kind of drug, 2024
- Generic2,134 claims81%
- Brand-name486 claims19%
Dr. Dang'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. Dang's Part D claims, 2024
- Antibiotics1%29 of 2,620 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: 3,3222024: 2,51124%
Drugs named by CMS: 22 in 2024, 26 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
Dr. Long Phi Dang ranks in the 99th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
CMS counts 862 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Dang, more than 99% of the clinicians it reports for that procedure.
Where Dr. Dang ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 99th percentile862 procedures
- Colonoscopy
- 99th percentile658 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Source: Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Long Phi Dang received $190,600 in industry payments from 2016 to 2025
CMS Open Payments shows 827 general payments to Dr. Dang from 31 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 82% of the total. Abbvie Inc. paid the most, $75,378.
General payments to Dr. Dang by program year, 2016 to 2025
General payments to Dr. Dang by kind, 2016 to 2025
- Speaker and faculty fees$157,07582%
- Food and beverage$18,44510%
- Consulting fees$5,2503%
- Education speaker fees$5,0003%
- Travel and lodging$4,8303%
Companies that paid Dr. Dang the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Long Phi Dang graduated from Loyola University Chicago Stritch School of Medicine
Dr. Dang graduated from Loyola University Chicago Stritch School of Medicine in 1993.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Dr. Long Phi Dang accepts plans from 9 insurance carriers
Dr. Dang 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, 8. 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
- Molina
- Regence Health Plans
- CMS Medicare
- +1 more carriersWith a free account
Plan types Dr. Dang accepts, by number of carriers
- Medicare8
- HMO5
- PPO5
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Long Phi Dang'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 Utilization Data (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 Dr. Long Phi Dang
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. Long Phi Dang's NPI number?
Dr. Long Phi Dang's NPI number is 1346324613. It was assigned on October 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Long Phi Dang?
Dr. Long Phi Dang is a gastroenterologist in Westminster, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Long Phi Dang practice?
Dr. Dang practices at 14571 Magnolia Street Suite 107, Westminster, CA 92683. Dr. Dang's primary practice is Magnolia Surgery Center - Westminster in Westminster, California. Dmand AI also links Dr. Dang to 1 hospital and 1 group practice or clinic.
What is Dr. Long Phi Dang's office phone number?
The practice phone on file for Dr. Dang is (714) 387-2778.
What is Dr. Long Phi Dang's medical license number?
Dr. Dang holds California license G80593.
Which hospitals is Dr. Long Phi Dang affiliated with?
Dr. Dang is affiliated with UCI Health - Orange. Dmand AI links Dr. Dang to 1 more hospital.
What medical group is Dr. Long Phi Dang part of?
Dr. Dang is linked to Long P Dang, MD.
Does Dr. Long Phi Dang accept Medicare?
Yes. CMS data shows Dr. Dang billed Medicare for 7,348 services in 2024.
How many Medicare patients does Dr. Long Phi Dang see?
CMS counts 1,341 Medicare patients who saw Dr. Dang in 2024, with an average age of 76.
Is Dr. Long Phi Dang board certified?
Yes. Dr. Dang is board certified in gastroenterology by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Long Phi Dang bill to Medicare?
In 2024, Dr. Dang's most billed Medicare services were hospital inpatient care (99232), lab and pathology test (88305) and hospital inpatient care (99222).
Where did Dr. Long Phi Dang go to medical school?
Dr. Dang graduated from Loyola University Chicago Stritch School of Medicine in 1993.
What drugs does Dr. Long Phi Dang prescribe most?
In 2024 Medicare Part D data, Dr. Dang's most prescribed drugs by claims were Famotidine, Dexlansoprazole DR and Pantoprazole Sodium.
Has Dr. Long Phi Dang received payments from drug or device companies?
CMS Open Payments shows $190,600 in general payments to Dr. Dang from 31 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Long Phi Dang been practicing?
Dr. Dang graduated from medical school in 1993, 33 years ago.
What insurance does Dr. Long Phi Dang accept?
Dr. Dang 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, 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