Cong Thanh Phan, M.D.
Internal Medicine Physician · Rancho Cucamonga, CA
Cong Thanh Phan, M.D. is an internal medicine physician with a practice address in Rancho Cucamonga, California, and NPI 1386778033, issued on Mar 15, 2007. Check the license (California A780920, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cong Thanh Phan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A780920 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8235 Rochester Ave Ste 110, Rancho Cucamonga, CA 91730
- Phone
- (909) 484-4900
- Enumerated
- Mar 15, 2007
- Record last updated
- Sep 27, 2024
- Fax
- (909) 781-2949
- Medicare enrollment
- Enrolled (PECOS I20040720000815); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 2000
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 8235 Rochester Ave Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy Do, PA-CPhysician Assistant1982128260
- Monica Xie, NPFamily Nurse Practitioner1053872226
Verify Cong Thanh Phan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A780920Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.1 times the Medicare Part D claims of the average internal medicine physician in 2024
13,135 Medicare Part D claims for 847 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 169 claims were for opioids.
Most prescribed
- Atorvastatin Calcium648 claims
- Losartan Potassium553 claims
- Amlodipine Besylate535 claims
- Metformin Hcl506 claims
- Gabapentin406 claims
- Rosuvastatin Calcium380 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): 21.4 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: $441.36
15 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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.
Cong Thanh Phan among 17,696 internal medicine physician records in California
Cong Thanh Phan, 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 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2000 · 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 Rancho Cucamonga → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mohamed Ali, M.D.Rancho Cucamonga, CA 917301548395239
- Nena ArciagaRancho Cucamonga, CA 917301497594097
- Catherine Joy CabugaoRancho Cucamonga, CA 917301063091098
- Tarek Ezzeddine, MDRancho Cucamonga, CA 917301740471879
- Hetalben Makwana, MDRancho Cucamonga, CA 917301093028078
- Ythanh Nguyen, MDRancho Cucamonga, CA 917301255391181
- Teri Rhetta, M.D.Rancho Cucamonga, CA 917301669685293
- Rishi Talwar, MDRancho Cucamonga, CA 917301699184184
Common questions
What is Cong Thanh Phan, M.D.'s NPI number?
Cong Thanh Phan, M.D.'s National Provider Identifier (NPI) is 1386778033, issued on Mar 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Cong Thanh Phan, M.D. located?
The NPPES record lists a practice address at 8235 Rochester Ave Ste 110, Rancho Cucamonga, CA, 91730. Phone: (909) 484-4900. Providers update this record themselves, so call before visiting.
How can I verify Cong Thanh Phan, M.D.'s license?
NPPES lists California license number A780920, 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 Cong Thanh Phan, M.D. prescribe under Medicare Part D?
In 2024, Cong Thanh Phan, M.D. had 13,135 Medicare Part D claims for 847 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Cong Thanh Phan, M.D.'s MIPS final score?
The 2023 MIPS final score is 21.4 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.