Dr. Cong Thanh Phan, MD

  • Rancho Cucamonga, CA
  • Internist
NPI1386778033PAC ID1759364466
Medicare services, 2024
4,395
Medicare patients, 2024
615
Part D claims, 2024
13,135
Publications
3
MIPS score, 2024
41
Practice address
8235 Rochester Ave, Rancho Cucamonga, CA 91730
Practice phone
Call (909) 484-4900
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Cong T. Phan M.d., Inc.

Primary care practice · Rancho Cucamonga, California

See all 16 affiliations

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Dr. Cong Thanh Phan is an internist in Rancho Cucamonga, California

Dr. Phan practices at Cong T. Phan M.d., Inc. in Rancho Cucamonga, California.

Dr. Phan's NPI, 1386778033, was assigned on March 15, 2007. Dr. Phan graduated from Albany Medical College in 2000. Dr. Phan holds California license A780920.

NPI and contact details
Medicare PAC ID
1759364466
NPI enumeration date
March 15, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(909) 484-4900
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
52
Medical school graduation
2000

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

Dr. Cong Thanh Phan practices at Cong T. Phan M.d., Inc. in Rancho Cucamonga, California

Dr. Phan's primary practice is Cong T. Phan M.d., Inc., at 8235 Rochester Ave, Rancho Cucamonga, CA 91730. The practice phone is (909) 484-4900.

  • Cong T. Phan M.d., Inc.
    8235 Rochester Ave, Rancho Cucamonga, CA 91730Phone(909) 484-4900

Source: Dmand AI Affiliation Data

Dr. Cong Thanh Phan is affiliated with 14 sites of care and 2 medical groups

Dr. Phan's primary practice is Cong T. Phan M.d., Inc. in Rancho Cucamonga, California. Dr. Phan is also affiliated with Kindred Hospital Rancho. The medical group on file is Cong T. Phan M.D., Inc. Dmand AI also links Dr. Phan to 1 more hospital, 5 skilled nursing facilities, 3 home health agencies, 2 hospices, 1 other site and 1 medical group, each named with a free account.

See all 16 affiliations for Dr. Phan

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Cong Thanh Phan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Phan practices, 14 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Cong T. Phan M.d., Inc.Available with a free account
+13 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Cong Thanh Phan is one of 16,751 internists in California

Internal medicine is Dr. Phan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Phan is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A780920 · 2002 to 2026 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acute diabetes, acute kidney failure, acute respiratory failure, acute sinusitis, acute skin infection, alzheimer's disease, anemia and aneurysm among the conditions Dr. Phan treats.

Internists near Dr. Phan

Counts of internists 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. Cong Thanh Phan billed Medicare for 4,395 services in 2024

CMS data shows 4,395 Medicare services from Dr. Phan across 15 procedure codes in 2024, for 615 Medicare patients. Medicare paid $384,922 for them.

Medicare services, 20244,395
Medicare patients615
Paid by Medicare$384,922
Procedure codes15

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

  • 2023
  • 2024
Office and hospital visits
2023: 3,6632024: 4,0029%
Other services
2023: 3042024: 3226%
Tests and treatments
2023: 2272024: 7169%

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

  • In an office2,22051%
  • In a facility2,17549%

Dr. Phan compared with the California median for internists, 2024

  • Dr. Phan
  • California median
Medicare services
4,395vs 36112.2 times
Medicare patients
615vs 1514.1 times
Part D claims
12,298vs 42129.2 times

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Phan'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. Phan

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

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

Dr. Cong Thanh Phan treated 615 Medicare patients in 2024, average age 75

CMS counts 615 Medicare patients who saw Dr. Phan in 2024. The largest group is 65 to 74, with 237 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 51% are also on Medicaid. Their average risk score is 1.69, 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. Phan's median patient age at 59, with 59% women.

Medicare patients, 2024615
Average age75
Average risk score1.69
Also on Medicaid51%

Dr. Phan's Medicare patients by age, 2024

Dr. Phan's Medicare patients by sex, 2024

  • Women37160%
  • Men24440%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes56%
  4. Arthritis49%
  5. Ischemic heart disease40%
  6. Chronic kidney disease38%
  7. Heart failure27%
  8. Mood disorders26%

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

Dr. Phan'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

  • Women59%
  • Men41%

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

Dr. Cong Thanh Phan wrote 13,135 Medicare Part D claims in 2024

In 2024, Dr. Phan wrote 13,135 Medicare Part D claims for 847 patients. 87% of them were for generic drugs. CMS names the drug for 12,298 of them, across 181 drugs with 11 or more claims each, at $1,013,071 in total drug cost. In 2023, CMS named 9,673 claims across 172 drugs.

Part D claims, 202413,135
Drugs named by CMS181
Total drug cost$1M
Part D patients847

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

  • Generic11,447 claims87%
  • Brand-name1,567 claims12%
  • Other121 claims1%

Dr. Phan'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. Phan's Part D claims, 2024

  • Opioids1%169 of 13,135 claims
  • Antibiotics3%353 of 13,135 claims
  • Antipsychotics, patients 65 and over1%88 of 13,135 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: 9,6732024: 12,29827%

Drugs named by CMS: 181 in 2024, 172 in 2023.

See all prescribing by Dr. Phan

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. Cong Thanh Phan scored 41 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 41 out of 100 for Dr. Phan for performance year 2024, reported individually. Dr. Phan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Phan as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Phan's MIPS scores, performance year 2024

  • 41of 100Final score
  • 20of 100Quality
  • 0of 100Improvement Activities
  • 79of 100Cost

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

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

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Dr. Cong Thanh Phan has 3 publications on record

Dmand AI links 3 papers to Dr. Phan, published from 2020 to 2023. 2020 was the busiest year, with 2. Dr. Phan's most frequent co-authors are Cong Thanh Phan, MD, Benjamin Lee Clapp, MD and Michael Cutshall, MD.

Papers3
Years published2020 to 2023

Dr. Phan's most frequent co-authors

Recent publications by Dr. Phan

See all 3 publications and co-authors

See who Dr. Phan researches with

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

How network discovery works

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

Dr. Cong Thanh Phan received $3,953 in industry payments from 2016 to 2025

CMS Open Payments shows 250 general payments to Dr. Phan from 34 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Janssen Pharmaceuticals, Inc paid the most, $1,458.

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

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

$4Kin total
  • Food and beverage$3,90699%
  • Education$471%

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

Share is of all general payments to this clinician.

See all payments to Dr. Phan

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

Dr. Cong Thanh Phan graduated from Albany Medical College

Dr. Phan graduated from Albany Medical College in 2000.

  1. Medical schoolAlbany Medical College

Source: Dmand AI Professional Profile Data

Dr. Cong Thanh Phan accepts plans from 12 insurance carriers

Dr. Phan is in network with 12 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Molina
  • Regence Health Plans
  • +4 more carriersWith a free account

Plan types Dr. Phan accepts, by number of carriers

  1. Medicare9
  2. HMO6
  3. PPO6
  4. POS5
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Cong Thanh Phan'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 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)
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)
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. Cong Thanh Phan

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. Cong Thanh Phan's NPI number?

Dr. Cong Thanh Phan's NPI number is 1386778033. It was assigned on March 15, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Cong Thanh Phan?

Dr. Cong Thanh Phan is an internist in Rancho Cucamonga, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Cong Thanh Phan practice?

Dr. Phan practices at 8235 Rochester Ave, Rancho Cucamonga, CA 91730. Dr. Phan's primary practice is Cong T. Phan M.d., Inc. in Rancho Cucamonga, California. Dmand AI also links Dr. Phan to 1 hospital, 5 skilled nursing facilities, 3 home health agencies, 2 hospices, 1 other site and 1 medical group.

What is Dr. Cong Thanh Phan's office phone number?

The practice phone on file for Dr. Phan is (909) 484-4900.

What is Dr. Cong Thanh Phan's medical license number?

Dr. Phan holds California license A780920.

Which hospitals is Dr. Cong Thanh Phan affiliated with?

Dr. Phan is affiliated with Kindred Hospital Rancho. Dmand AI links Dr. Phan to 1 more hospital.

What medical group is Dr. Cong Thanh Phan part of?

Dr. Phan is linked to Cong T. Phan M.D., Inc. Dmand AI links Dr. Phan to 1 more medical group.

Does Dr. Cong Thanh Phan accept Medicare?

Yes. CMS data shows Dr. Phan billed Medicare for 4,395 services in 2024, and Dr. Phan accepts Medicare assignment.

Does Dr. Cong Thanh Phan offer telehealth?

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

What is Dr. Cong Thanh Phan's MIPS score?

Dr. Phan's MIPS final score for performance year 2024 is 41 out of 100, reported individually.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Cong Thanh Phan see?

CMS counts 615 Medicare patients who saw Dr. Phan in 2024, with an average age of 75.

What services does Dr. Cong Thanh Phan bill to Medicare?

In 2024, Dr. Phan's most billed Medicare services were hospital inpatient care (99233), office visit, established patient (99214) and hospital inpatient care (99223).

Where did Dr. Cong Thanh Phan go to medical school?

Dr. Phan graduated from Albany Medical College in 2000.

What drugs does Dr. Cong Thanh Phan prescribe most?

In 2024 Medicare Part D data, Dr. Phan's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.

Has Dr. Cong Thanh Phan received payments from drug or device companies?

CMS Open Payments shows $3,953 in general payments to Dr. Phan from 34 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Cong Thanh Phan been practicing?

Dr. Phan graduated from medical school in 2000, 26 years ago.

Does Dr. Cong Thanh Phan do research?

Dmand AI links 3 publications to Dr. Phan, published from 2020 to 2023.

Who does Dr. Cong Thanh Phan publish with?

Dr. Phan's most frequent co-authors are Cong Thanh Phan, MD (3 shared papers), Benjamin Lee Clapp, MD (1 shared paper) and Michael Cutshall, MD (1 shared paper).

What insurance does Dr. Cong Thanh Phan accept?

Dr. Phan is in network with 12 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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