Dr. Oussama Moussan, MD
- Medicare services, 2024
- 699
- Medicare patients, 2024
- 463
- Part D claims, 2024
- 646
- Hospital affiliations
- 2
- Industry payments
- $1,502
- Practice address
- 1703 South Meridian, Suite 203, Puyallup, WA 98371
- Practice phone
- Call (253) 272-8177
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Puyallup Endoscopy Center
Surgery Center - Medicare-Certified · Puyallup, Washington
Find Dr. Moussan'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. Oussama Moussan is a gastroenterologist in Puyallup, Washington
Dr. Moussan practices at Puyallup Endoscopy Center in Puyallup, Washington.
Dr. Moussan's NPI, 1467426171, was assigned on February 17, 2006. Dr. Moussan holds Washington license MD00033213.
- NPI
- 1467426171NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739071671
- NPI enumeration date
- February 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (253) 272-8177
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Oussama Moussan practices at Puyallup Endoscopy Center in Puyallup, Washington
Dr. Moussan's primary practice is Puyallup Endoscopy Center, at 1703 South Meridian, Suite 203, Puyallup, WA 98371. The practice phone is (253) 272-8177.
- Puyallup Endoscopy Center1703 South Meridian, Suite 203, Puyallup, WA 98371Phone(253) 272-8177
Source: Dmand AI Affiliation Data
Dr. Oussama Moussan is affiliated with 5 sites of care and 1 medical group
Dr. Moussan's primary practice is Puyallup Endoscopy Center in Puyallup, Washington. Dr. Moussan is also affiliated with MultiCare Good Samaritan Hospital. The medical group on file is Washington Gastroenterology. Dmand AI also links Dr. Moussan to 1 more hospital, 1 group practice or clinic and 1 ambulatory surgery center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Oussama Moussan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Moussan practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Puyallup Endoscopy Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Oussama Moussan is one of 434 gastroenterologists in Washington
Gastroenterology is Dr. Moussan's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Moussan is licensed in Washington.
Specialties and state licenses
- Gastroenterology, WashingtonPrimary
Gastroenterologists near Dr. Moussan
Counts of gastroenterologists 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. Oussama Moussan billed Medicare for 699 services in 2024
CMS data shows 699 Medicare services from Dr. Moussan across 16 procedure codes in 2024, for 463 Medicare patients. Medicare paid $78,593 for them.
Dr. Moussan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 3602024: 40212%
- Office and hospital visits
- 2023: 4122024: 14365%
- Tests and treatments
- 2023: 1212024: 7042%
- Other services
- 2023: 852024: 6524%
- Imaging
- 2023: 02024: 19
Where Dr. Moussan's Medicare services took place, 2024
- In an office21330%
- In a facility48670%
Dr. Moussan compared with the Washington median for gastroenterologists, 2024
- Dr. Moussan
- Washington median
- Medicare services
- 699vs 35696% above
- Medicare patients
- 463vs 24490% above
- Part D claims
- 538vs 27298% above
Medians across 433 gastroenterologists in Washington with Dmand AI profiles that report each measure.
Dr. Moussan'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Moussan and other gastroenterologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Oussama Moussan treated 463 Medicare patients in 2024, average age 73
CMS counts 463 Medicare patients who saw Dr. Moussan in 2024. The largest group is 65 to 74, with 244 patients. 67% of them have high blood pressure, and 67% have high cholesterol. 4% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Moussan's median patient age at 61, with 53% women.
Dr. Moussan's Medicare patients by age, 2024
Dr. Moussan's Medicare patients by sex, 2024
- Women25655%
- Men20745%
Chronic conditions among Dr. Moussan's Medicare patients, 2024
- High blood pressure67%
- High cholesterol67%
- Arthritis46%
- Diabetes24%
- Ischemic heart disease20%
- Mood disorders20%
- Chronic kidney disease18%
- Depression18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Moussan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Oussama Moussan wrote 646 Medicare Part D claims in 2024
In 2024, Dr. Moussan wrote 646 Medicare Part D claims for 422 patients. 78% of them were for generic drugs. CMS names the drug for 538 of them, across 7 drugs with 11 or more claims each, at $8,357 in total drug cost. In 2023, CMS named 514 claims across 10 drugs.
Dr. Moussan's Part D claims by kind of drug, 2024
- Generic504 claims78%
- Brand-name142 claims22%
Dr. Moussan'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. Moussan's Part D claims, 2024
- Antibiotics3%17 of 646 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: 5142024: 5385%
Drugs named by CMS: 7 in 2024, 10 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
Dr. Oussama Moussan ranks in the 85th percentile for colonoscopy in Medicare
Dr. Moussan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Moussan as offering telehealth. CMS counts 125 procedures of colonoscopy by Dr. Moussan, more than 85% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Moussan ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 84th percentile144 procedures
- Colonoscopy
- 85th percentile125 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Oussama Moussan received $1,502 in industry payments from 2018 to 2025
CMS Open Payments shows 47 general payments to Dr. Moussan from 16 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 98% of the total. Abbvie Inc. paid the most, $458.
General payments to Dr. Moussan by program year, 2018 to 2025
General payments to Dr. Moussan by kind, 2018 to 2025
- Food and beverage$1,47598%
- Education$272%
Companies that paid Dr. Moussan the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Oussama Moussan'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Oussama Moussan
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. Oussama Moussan's NPI number?
Dr. Oussama Moussan's NPI number is 1467426171. It was assigned on February 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Oussama Moussan?
Dr. Oussama Moussan is a gastroenterologist in Puyallup, Washington. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Oussama Moussan practice?
Dr. Moussan practices at 1703 South Meridian, Suite 203, Puyallup, WA 98371. Dr. Moussan's primary practice is Puyallup Endoscopy Center in Puyallup, Washington. Dmand AI also links Dr. Moussan to 1 hospital, 1 group practice or clinic and 1 ambulatory surgery center.
What is Dr. Oussama Moussan's office phone number?
The practice phone on file for Dr. Moussan is (253) 272-8177.
What is Dr. Oussama Moussan's medical license number?
Dr. Moussan holds Washington license MD00033213.
Which hospitals is Dr. Oussama Moussan affiliated with?
Dr. Moussan is affiliated with MultiCare Good Samaritan Hospital. Dmand AI links Dr. Moussan to 1 more hospital.
What medical group is Dr. Oussama Moussan part of?
Dr. Moussan is linked to Washington Gastroenterology.
Does Dr. Oussama Moussan accept Medicare?
Yes. CMS data shows Dr. Moussan billed Medicare for 699 services in 2024, and Dr. Moussan accepts Medicare assignment.
Does Dr. Oussama Moussan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Moussan as offering telehealth services.
How many Medicare patients does Dr. Oussama Moussan see?
CMS counts 463 Medicare patients who saw Dr. Moussan in 2024, with an average age of 73.
Show 4 more questionsShow fewer questions
What services does Dr. Oussama Moussan bill to Medicare?
In 2024, Dr. Moussan's most billed Medicare services were surgery: digestive system (45380), surgery: digestive system (43239) and surgery: digestive system (45385).
What drugs does Dr. Oussama Moussan prescribe most?
In 2024 Medicare Part D data, Dr. Moussan's most prescribed drugs by claims were Peg-3350 And Electrolytes, Gavilyte-G and Gavilyte-C.
Has Dr. Oussama Moussan received payments from drug or device companies?
CMS Open Payments shows $1,502 in general payments to Dr. Moussan from 16 companies from 2018 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Oussama Moussan been practicing?
Dr. Moussan graduated from medical school in 1982, 44 years ago.
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