Proc Soc Exp Biol Med
Dr. Ghassan Y. Khamiseh, MD
- Medicare services, 2023
- 720
- Part D claims, 2024
- 1,811
- Publications
- 6
- Industry payments
- $783
- Affiliated sites
- 1
- Practice address
- 2800 Pacific Ave, Long Beach, CA 90806
- Practice phone
- Call (562) 337-8401
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ultimate Health Medical Services , a California Liability Company
Long Beach, California
Find Dr. Khamiseh's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ghassan Y. Khamiseh is an internist in Long Beach, California
Dr. Khamiseh practices at Ultimate Health Medical Services , a California Liability Company in Long Beach, California.
Dr. Khamiseh's NPI, 1710009808, was assigned on April 6, 2007. Dr. Khamiseh graduated from Damascus University Faculty of Medicine in 1980. Dr. Khamiseh holds California license A60718.
- NPI
- 1710009808NPI Registry (opens in a new tab)
- NPI enumeration date
- April 6, 2007
- NPI status
- Active
- Practice phone
- (562) 337-8401
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Ghassan Y. Khamiseh practices at Ultimate Health Medical Services , a California Liability Company in Long Beach, California
Dr. Khamiseh's primary practice is Ultimate Health Medical Services , a California Liability Company, at 2800 Pacific Ave, Long Beach, CA 90806 in Los Angeles County. The practice phone is (562) 337-8401.
- Ultimate Health Medical Services , a California Liability Company2800 Pacific Ave, Long Beach, CA 90806 · Los Angeles CountyPhone(562) 337-8401
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ghassan Y. Khamiseh is affiliated with 2 sites of care
Dr. Khamiseh's primary practice is Ultimate Health Medical Services , a California Liability Company in Long Beach, California. Dmand AI also links Dr. Khamiseh to 1 physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ghassan Y. Khamiseh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Khamiseh practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ultimate Health Medical Services , a California Liability Company | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ghassan Y. Khamiseh is one of 16,751 internists in California
Internal medicine is Dr. Khamiseh's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Khamiseh's licenses on file in 3 states: California, Wisconsin and Oklahoma.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Wisconsin license
- Oklahoma license
Clinical focus
Dmand AI lists chronic skin ulcer and peripheral vascular disease among the conditions Dr. Khamiseh treats.
Internists near Dr. Khamiseh
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 Y. Khamiseh billed Medicare for 720 services in 2023
CMS data shows 720 Medicare services from Dr. Khamiseh across 3 procedure codes in 2023. Medicare paid $24,053 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Khamiseh's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Surgery
- 2022: 772023: 418443%
- Office and hospital visits
- 2022: 692023: 302338%
Dr. Khamiseh compared with the California median for internists, 2023
- Dr. Khamiseh
- California median
- Medicare services
- 720vs 36199% above
- Part D claims
- 1,366vs 4213.2 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Khamiseh's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Khamiseh?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Khamiseh and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ghassan Y. Khamiseh's patients have a median age of 48
Across all payers, Dmand AI patient panel data puts Dr. Khamiseh's median patient age at 48, with 57% women.
Dr. Khamiseh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women57%
- Men42%
Source: Dmand AI Patient Panel Data
Dr. Ghassan Y. Khamiseh wrote 1,811 Medicare Part D claims in 2024
In 2024, Dr. Khamiseh wrote 1,811 Medicare Part D claims for 80 patients. 87% of them were for generic drugs. CMS names the drug for 1,366 of them, across 55 drugs with 11 or more claims each, at $185,496 in total drug cost. In 2023, CMS named 929 claims across 43 drugs.
Dr. Khamiseh's Part D claims by kind of drug, 2024
- Generic1,570 claims87%
- Brand-name221 claims12%
- Other20 claims1%
Dr. Khamiseh'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. Khamiseh's Part D claims, 2024
- Opioids5%87 of 1,811 claims
- Antibiotics3%51 of 1,811 claims
- Antipsychotics, patients 65 and over1%20 of 1,811 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: 9292024: 1,36647%
Drugs named by CMS: 55 in 2024, 43 in 2023.
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
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Dr. Ghassan Y. Khamiseh has 6 publications on record
Dmand AI links 6 papers to Dr. Khamiseh. The most frequent topics are Rats, Inbred Strains, Acute Kidney Injury and Creatinine. Dr. Khamiseh has published most often in J Lab Clin Med. Dr. Khamiseh's most frequent co-authors are Nosratola D. Vaziri, MD, Madeleine V. Pahl, MD and Alan N Elias, MD.
Topics Dr. Khamiseh writes about most
- Rats, Inbred Strains
- Acute Kidney Injury
- Creatinine
- Intestinal Absorption
- Intestinal Mucosa
- Kidney Failure, Chronic
- Nephrotic Syndrome
- Perfusion
Dr. Khamiseh's most frequent co-authors
- Nosratola D. Vaziri, MD5 shared papers
- Madeleine V. Pahl, MD2 shared papers
- Alan N Elias, MD1 shared paper
Recent publications by Dr. Khamiseh
Proc Soc Exp Biol Med
J Lab Clin Med
Nephrol Dial Transplant
See who Dr. Khamiseh researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Khamiseh works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ghassan Y. Khamiseh received $783 in industry payments from 2023 to 2025
CMS Open Payments shows 13 general payments to Dr. Khamiseh from 6 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Bayer HealthCare Pharmaceuticals Inc. paid the most, $273.
General payments to Dr. Khamiseh by program year, 2023 to 2025
Companies that paid Dr. Khamiseh the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ghassan Y. Khamiseh graduated from Damascus University Faculty of Medicine
Dr. Khamiseh graduated from Damascus University Faculty of Medicine in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Ghassan Y. Khamiseh accepts plans from 7 insurance carriers
Dr. Khamiseh is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and LA Care. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- LA Care
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
Plan types Dr. Khamiseh accepts, by number of carriers
- Medicare7
- PPO5
- HMO3
- POS2
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ghassan Y. Khamiseh's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ghassan Y. Khamiseh
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 Y. Khamiseh's NPI number?
Dr. Ghassan Y. Khamiseh's NPI number is 1710009808. It was assigned on April 6, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Ghassan Y. Khamiseh?
Dr. Ghassan Y. Khamiseh is an internist in Long Beach, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ghassan Y. Khamiseh practice?
Dr. Khamiseh practices at 2800 Pacific Ave, Long Beach, CA 90806. Dr. Khamiseh's primary practice is Ultimate Health Medical Services , a California Liability Company in Long Beach, California. Dmand AI also links Dr. Khamiseh to 1 physician office.
What is Dr. Ghassan Y. Khamiseh's office phone number?
The practice phone on file for Dr. Khamiseh is (562) 337-8401.
What is Dr. Ghassan Y. Khamiseh's medical license number?
Dr. Khamiseh holds California license A60718, one of the licenses on file in 3 states.
Which states has Dr. Ghassan Y. Khamiseh been licensed in?
Dmand AI has state licenses on file for Dr. Khamiseh in California (1996 to 2026), Wisconsin (1995 to 2001) and Oklahoma (1995).
Does Dr. Ghassan Y. Khamiseh accept Medicare?
Yes. CMS data shows Dr. Khamiseh billed Medicare for 720 services in 2023.
What services does Dr. Ghassan Y. Khamiseh bill to Medicare?
In 2023, Dr. Khamiseh's most billed Medicare services were surgery: skin and soft tissue (11721), nursing facility care (99304) and surgery: skin and soft tissue (11730).
Where did Dr. Ghassan Y. Khamiseh go to medical school?
Dr. Khamiseh graduated from Damascus University Faculty of Medicine in 1980.
What drugs does Dr. Ghassan Y. Khamiseh prescribe most?
In 2024 Medicare Part D data, Dr. Khamiseh's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Metformin HCl and Amlodipine Besylate.
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Has Dr. Ghassan Y. Khamiseh received payments from drug or device companies?
CMS Open Payments shows $783 in general payments to Dr. Khamiseh from 6 companies from 2023 to 2025. The largest total came from Bayer HealthCare Pharmaceuticals Inc.
How long has Dr. Ghassan Y. Khamiseh been practicing?
Dr. Khamiseh graduated from medical school in 1980, 46 years ago.
Does Dr. Ghassan Y. Khamiseh do research?
Dmand AI links 6 publications to Dr. Khamiseh.
Who does Dr. Ghassan Y. Khamiseh publish with?
Dr. Khamiseh's most frequent co-authors are Nosratola D. Vaziri, MD (5 shared papers), Madeleine V. Pahl, MD (2 shared papers) and Alan N Elias, MD (1 shared paper).
What insurance does Dr. Ghassan Y. Khamiseh accept?
Dr. Khamiseh is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and LA Care. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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