Man Cong Duong, M.D.
Internal Medicine Physician · Calexico, CA
Man Cong Duong, M.D. is an internal medicine physician with a practice address in Calexico, California, and NPI 1679718399, issued on Dec 9, 2008. Check the license (California A105702, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Man Cong Duong
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A105702 CA
Self-reported in NPPES; status is on the state search - Practice location
- 423 E 2ND St, Calexico, CA 92231
- Phone
- (760) 890-5432
- Enumerated
- Dec 9, 2008
- Record last updated
- Mar 20, 2024
- Fax
- (877) 409-2620
- Medicare enrollment
- Enrolled (PECOS I20090706000499); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Man Cong Duong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A105702Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average internal medicine physician in 2024
9,389 Medicare Part D claims for 370 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 236 claims were for opioids.
Most prescribed
- Atorvastatin Calcium672 claims
- Metformin Hcl537 claims
- Lisinopril338 claims
- Losartan Potassium288 claims
- Levothyroxine Sodium263 claims
- Amlodipine Besylate234 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.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $364.56
18 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Man Cong Duong among 17,696 internal medicine physician records in California
Man Cong Duong, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2006 · median 2004 among the 11,065 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in California
There are 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Calexico → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Uberto Muzzarelli, MDCalexico, CA 922311710926472
- Sun Oh, M.D.Calipatria, CA 922331689872319
- Ruba Alchaikh HassanCathedral City, CA 922341952046450
- Clayton Barbour, M.D.Cathedral City, CA 922341326137589
- Janpreet Bhandohal, M.D.Cathedral City, CA 922341497107825
- William Christensen, MDCathedral City, CA 922341205920691
- Carlos Gutierrez Garibay, MDCathedral City, CA 922341679260681
- Gary Huang, MDCathedral City, CA 922341013960756
Common questions
What is Man Cong Duong, M.D.'s NPI number?
Man Cong Duong, M.D.'s National Provider Identifier (NPI) is 1679718399, issued on Dec 9, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Man Cong Duong, M.D. located?
The NPPES record lists a practice address at 423 E 2ND St, Calexico, CA, 92231. Phone: (760) 890-5432. Providers update this record themselves, so call before visiting.
How can I verify Man Cong Duong, M.D.'s license?
NPPES lists California license number A105702, 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 Man Cong Duong, M.D. prescribe under Medicare Part D?
In 2024, Man Cong Duong, M.D. had 9,389 Medicare Part D claims for 370 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Man Cong Duong, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.