Frances Dang, MD
Gastroenterology Physician · Orange, CA
Frances Dang, MD is a gastroenterology physician with a practice address in Orange, California, and NPI 1225892219, issued on Feb 9, 2024. Check the license (California 193761, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Frances Dang
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 193761 CA
Self-reported in NPPES; status is on the state search - Practice location
- 101 The City Dr S Bldg 22C, Orange, CA 92868
- Phone
- (888) 717-4463
- Enumerated
- Feb 9, 2024
- Record last updated
- Feb 9, 2024
- Medicare enrollment
- Enrolled (PECOS I20250625002844); accepts Medicare assignment
- Medical or professional school
- Queen'S School Of Medicine, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 101 The City Dr S Bldg 22C
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amber Isenhart, MS, RDRegistered Dietitian1023401288
- Avni Jain, MD, FRCPCGastroenterology Physician1629837455
- William Karnes, MDGastroenterology Physician1881652998
- Joshua KwonGastroenterology Physician1053870121
- Robert Lee, M.D.Gastroenterology Physician1669583530
Verify Frances Dang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 193761Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average gastroenterology physician in 2024
18 Medicare Part D claims for 14 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Ciprofloxacin Hcl11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $4,754.97
36 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- UC RegentsOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Frances Dang among 2,140 gastroenterology physician records in California
Frances Dang, MD is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than over 99% of them.
- NPI issued2024 · over 99% of these records are older, under 1% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2018 · median 2002 among the 1,538 with a school on file
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Orange → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Alaa Abousaif, MDOrange, CA 928681235124108
- William Collins, MDOrange, CA 928681104892074
- Jessica Hung, M.D.Orange, CA 928681396786323
- William Karnes, MDOrange, CA 928681881652998
- James Lee, MDOrange, CA 928681750358735
- Robert Lee, M.D.Orange, CA 928681669583530
- John Lee, MDOrange, CA 928681487734521
- William Metzger, MDOrange, CA 928681629040308
Common questions
What is Frances Dang, MD's NPI number?
Frances Dang, MD's National Provider Identifier (NPI) is 1225892219, issued on Feb 9, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Frances Dang, MD located?
The NPPES record lists a practice address at 101 The City Dr S Bldg 22C, Orange, CA, 92868. Phone: (888) 717-4463. Providers update this record themselves, so call before visiting.
How can I verify Frances Dang, MD's license?
NPPES lists California license number 193761, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Frances Dang, MD prescribe under Medicare Part D?
In 2024, Frances Dang, MD had 18 Medicare Part D claims for 14 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.