Dr. Ghassan E. Hadi, MD

  • Upland, CA
  • Internist
NPI1558497891PAC ID7618066879
Medicare services, 2024
2,111
Medicare patients, 2024
324
Part D claims, 2024
10,225
Publications
5
Clinical trials
3
Practice address
1060 E Foothill Blvd, Upland, CA 91786
Practice phone
Call (909) 981-8904
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Ghassan Hadi MD Inc

Upland, California

See all 14 affiliations

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Dr. Ghassan E. Hadi is an internist in Upland, California

Dr. Hadi practices at Ghassan Hadi MD Inc in Upland, California.

Dr. Hadi's NPI, 1558497891, was assigned on February 23, 2007. Dr. Hadi graduated from Keck School of Medicine of USC in 1999. Dr. Hadi holds California license A52260.

NPI and contact details
Medicare PAC ID
7618066879
NPI enumeration date
February 23, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(909) 981-8904
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
64
Medical school graduation
1999

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

Dr. Ghassan E. Hadi practices at Ghassan Hadi MD Inc in Upland, California

Dr. Hadi's primary practice is Ghassan Hadi MD Inc, at 1060 E Foothill Blvd, Upland, CA 91786 in San Bernardino County. The practice phone is (909) 981-8904.

  • Ghassan Hadi MD Inc
    1060 E Foothill Blvd, Upland, CA 91786 · San Bernardino CountyPhone(909) 981-8904

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Ghassan E. Hadi is affiliated with 13 sites of care and 1 medical group

Dr. Hadi's primary practice is Ghassan Hadi MD Inc in Upland, California. Dr. Hadi is also affiliated with San Antonio Regional Hospital. The medical group on file is Ghassan Hadi, MD. Dmand AI also links Dr. Hadi to 2 more hospitals, 5 skilled nursing facilities, 1 group practice or clinic, 1 home health agency, 1 hospice and 1 other site, each named with a free account.

See all 14 affiliations for Dr. Hadi

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Ghassan E. Hadi's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hadi practices, 12 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ghassan Hadi MD IncAvailable with a free account
+12 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ghassan E. Hadi is one of 16,751 internists in California

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

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A52260 · 1993 to 2026 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acute diabetes, acute kidney failure, acute sinusitis, acute skin infection, anemia, aneurysm, arthritis and asthma among the conditions Dr. Hadi treats.

Internists near Dr. Hadi

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. Ghassan E. Hadi billed Medicare for 2,111 services in 2024

CMS data shows 2,111 Medicare services from Dr. Hadi across 7 procedure codes in 2024, for 324 Medicare patients. Medicare paid $196,415 for them.

Medicare services, 20242,111
Medicare patients324
Paid by Medicare$196,415
Procedure codes7

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

  • 2023
  • 2024
Office and hospital visits
2023: 2,7462024: 2,11123%

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

  • In an office1969%
  • In a facility1,91591%

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

  • Dr. Hadi
  • California median
Medicare services
2,111vs 3615.8 times
Medicare patients
324vs 1512.1 times
Part D claims
9,161vs 42121.8 times

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

Dr. Hadi'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. Hadi

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

Dr. Ghassan E. Hadi treated 324 Medicare patients in 2024, average age 74

CMS counts 324 Medicare patients who saw Dr. Hadi in 2024. The largest group is 65 to 74, with 115 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 52% are also on Medicaid. Their average risk score is 2.68, 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. Hadi's median patient age at 65, with 52% women.

Medicare patients, 2024324
Average age74
Average risk score2.68
Also on Medicaid52%

Dr. Hadi's Medicare patients by age, 2024

Dr. Hadi's Medicare patients by sex, 2024

  • Women15748%
  • Men16752%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes52%
  4. Arthritis51%
  5. Mood disorders44%
  6. Heart failure42%
  7. Ischemic heart disease42%
  8. Anxiety41%

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

Dr. Hadi's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women52%
  • Men47%

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

Dr. Ghassan E. Hadi wrote 10,225 Medicare Part D claims in 2024

In 2024, Dr. Hadi wrote 10,225 Medicare Part D claims for 443 patients. 83% of them were for generic drugs. CMS names the drug for 9,161 of them, across 180 drugs with 11 or more claims each, at $678,727 in total drug cost. In 2023, CMS named 8,441 claims across 171 drugs.

Part D claims, 202410,225
Drugs named by CMS180
Total drug cost$678,727
Part D patients443

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

  • Generic8,470 claims83%
  • Brand-name1,666 claims16%
  • Other89 claims1%

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

  • Opioids4%395 of 10,225 claims
  • Antibiotics2%203 of 10,225 claims
  • Antipsychotics, patients 65 and over1%131 of 10,225 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: 8,4412024: 9,1619%

Drugs named by CMS: 180 in 2024, 171 in 2023.

See all prescribing by Dr. Hadi

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. Ghassan E. Hadi scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Hadi for performance year 2024, reported individually. Dr. Hadi accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes
MIPS final score, 2024
75 of 100

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. Ghassan E. Hadi has 5 publications on record

Dmand AI links 5 papers to Dr. Hadi, published from 2011 to 2016. 2011 was the busiest year, with 2. The most frequent topics are Analgesics, Opioid, Body Temperature and Carbon Dioxide. Dr. Hadi has published most often in Cochrane Database Syst Rev. Dr. Hadi's most frequent co-authors are Shahzeer Karmali, MD and Jerry Dang, FRCSC, MD, PhD.

Papers5
Years published2011 to 2016

Topics Dr. Hadi writes about most

  • Analgesics, Opioid
  • Body Temperature
  • Carbon Dioxide
  • Hot Temperature
  • Humidity
  • Hypothermia
  • Insufflation
  • Laparoscopy

Dr. Hadi's most frequent co-authors

Recent publications by Dr. Hadi

See all 5 publications and co-authors

See who Dr. Hadi researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hadi 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. Ghassan E. Hadi has worked on 3 clinical trials

Dmand AI links Dr. Hadi to 3 clinical trials, 2 of them phase 3 studies. Conditions studied include Constipation, Osteoarthritis, Knee and Renal Insufficiency, Chronic. Open Payments lists research payments to Dr. Hadi that name 1 trial.

Conditions in Dr. Hadi's trials

  • Constipation
  • Osteoarthritis, Knee
  • Renal Insufficiency, Chronic
  • Osteoarthritis
  • Renal Insufficiency

Investigators on the most trials with Dr. Hadi

Recent clinical trials with Dr. Hadi

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Ghassan E. Hadi received $1,520 in industry payments from 2016 to 2025

CMS Open Payments shows 55 general payments to Dr. Hadi from 27 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $281. It also lists 16 research payments totaling $95,693 from 2016 to 2022, naming 1 clinical trial.

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

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

Share is of all general payments to this clinician.

See all payments to Dr. Hadi

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

Dr. Ghassan E. Hadi graduated from Keck School of Medicine of USC

Dr. Hadi graduated from Keck School of Medicine of USC in 1999.

  1. Medical schoolKeck School of Medicine of USC

Source: Dmand AI Professional Profile Data

Dr. Ghassan E. Hadi accepts plans from 10 insurance carriers

Dr. Hadi is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Molina
  • Regence Health Plans
  • United Healthcare
  • Blue Cross and Blue Shield of Kansas City
  • +2 more carriersWith a free account

Plan types Dr. Hadi accepts, by number of carriers

  1. Medicare7
  2. HMO5
  3. PPO5
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Ghassan E. Hadi'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
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. Ghassan E. Hadi

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. Ghassan E. Hadi's NPI number?

Dr. Ghassan E. Hadi's NPI number is 1558497891. It was assigned on February 23, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Ghassan E. Hadi?

Dr. Ghassan E. Hadi is an internist in Upland, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Ghassan E. Hadi practice?

Dr. Hadi practices at 1060 E Foothill Blvd, Upland, CA 91786. Dr. Hadi's primary practice is Ghassan Hadi MD Inc in Upland, California. Dmand AI also links Dr. Hadi to 2 hospitals, 5 skilled nursing facilities, 1 group practice or clinic, 1 home health agency, 1 hospice and 1 other site.

What is Dr. Ghassan E. Hadi's office phone number?

The practice phone on file for Dr. Hadi is (909) 981-8904.

What is Dr. Ghassan E. Hadi's medical license number?

Dr. Hadi holds California license A52260.

Which hospitals is Dr. Ghassan E. Hadi affiliated with?

Dr. Hadi is affiliated with San Antonio Regional Hospital. Dmand AI links Dr. Hadi to 2 more hospitals.

What medical group is Dr. Ghassan E. Hadi part of?

Dr. Hadi is linked to Ghassan Hadi, MD.

Does Dr. Ghassan E. Hadi accept Medicare?

Yes. CMS data shows Dr. Hadi billed Medicare for 2,111 services in 2024, and Dr. Hadi accepts Medicare assignment.

What is Dr. Ghassan E. Hadi's MIPS score?

Dr. Hadi's MIPS final score for performance year 2024 is 75 out of 100, reported individually.

How many Medicare patients does Dr. Ghassan E. Hadi see?

CMS counts 324 Medicare patients who saw Dr. Hadi in 2024, with an average age of 74.

Show 8 more questionsShow fewer questions

What services does Dr. Ghassan E. Hadi bill to Medicare?

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

Where did Dr. Ghassan E. Hadi go to medical school?

Dr. Hadi graduated from Keck School of Medicine of USC in 1999.

What drugs does Dr. Ghassan E. Hadi prescribe most?

In 2024 Medicare Part D data, Dr. Hadi's most prescribed drugs by claims were Atorvastatin Calcium, Eliquis and Gabapentin.

Has Dr. Ghassan E. Hadi received payments from drug or device companies?

CMS Open Payments shows $1,520 in general payments to Dr. Hadi from 27 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Ghassan E. Hadi been practicing?

Dr. Hadi graduated from medical school in 1999, 27 years ago.

Does Dr. Ghassan E. Hadi do research?

Dmand AI links 5 publications to Dr. Hadi, published from 2011 to 2016. Dr. Hadi has worked on 3 clinical trials.

Who does Dr. Ghassan E. Hadi publish with?

Dr. Hadi's most frequent co-authors are Shahzeer Karmali, MD (3 shared papers) and Jerry Dang, FRCSC, MD, PhD (1 shared paper).

What insurance does Dr. Ghassan E. Hadi accept?

Dr. Hadi is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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