Gastrointestinal MicrobiomeInflammatory Bowel DiseasesIntestinal Mucosa
Dr. Naomi D. Chou, MD
NPI1518487628PAC ID2466724554
- Medicare services, 2024
- 180
- Medicare patients, 2024
- 137
- Part D claims, 2024
- 429
- Publications
- 2
- Hospital affiliations
- 2
- Practice address
- 751 NE Blakely Dr, Issaquah, WA 98029
- Practice phone
- Call (425) 313-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chou'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. Naomi D. Chou is a gastroenterologist in Issaquah, Washington
Dr. Chou practices at Swedish Issaquah Campus in Issaquah, Washington, part of Providence Health & Services.
Dr. Chou's NPI, 1518487628, was assigned on June 21, 2017. Dr. Chou graduated from Duke University School of Medicine in 2017. Dr. Chou holds Washington license MD61052834.
NPI and contact details
- NPI
- 1518487628NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466724554
- NPI enumeration date
- June 21, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (425) 313-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Naomi D. Chou practices at Swedish Issaquah Campus in Issaquah, Washington
Dr. Chou's primary practice is Swedish Issaquah Campus, at 751 NE Blakely Dr, Issaquah, WA 98029 in King County. The practice phone is (425) 313-4000.
- Swedish Issaquah Campus751 NE Blakely Dr, Issaquah, WA 98029 · King CountyPhone(425) 313-4000
Source: Dmand AI Affiliation Data
Dr. Naomi D. Chou is affiliated with 3 sites of care and 2 medical groups
Dr. Chou's primary practice is Swedish Issaquah Campus in Issaquah, Washington, part of Providence Health & Services. Dr. Chou is also affiliated with Swedish First Hill Campus. The medical group on file is Swedish Health Services. Dmand AI also links Dr. Chou to 1 more hospital outpatient department and 1 medical group, each named with a free account.
Swedish First Hill CampusSwedish Health Services1 hospital outpatient departmentName with a free account1 medical groupName with a free account
See all 5 affiliations for Dr. ChouSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Naomi D. Chou's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chou practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Swedish Issaquah Campus | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Naomi D. Chou is one of 434 gastroenterologists in Washington
Gastroenterology is Dr. Chou's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Chou is licensed in Washington.
Specialties and state licenses
- Gastroenterology, WashingtonPrimary
Gastroenterologists near Dr. Chou
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
434gastroenterologists in Washington10gastroenterologists in Issaquah8gastroenterologists at Swedish Issaquah Campus
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Naomi D. Chou billed Medicare for 180 services in 2024
CMS data shows 180 Medicare services from Dr. Chou across 7 procedure codes in 2024, for 137 Medicare patients. Medicare paid $23,063 for them.
Medicare services, 2024180
Medicare patients137
Paid by Medicare$23,063
Procedure codes7
Dr. Chou's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 292024: 107269%
- Office and hospital visits
- 2023: 02024: 46
- Other services
- 2023: 02024: 27
Where Dr. Chou's Medicare services took place, 2024
- In an office6234%
- In a facility11866%
Dr. Chou compared with the Washington median for gastroenterologists, 2024
- Dr. Chou
- Washington median
- Medicare services
- 180vs 35649% below
- Medicare patients
- 137vs 24444% below
- Part D claims
- 324vs 27219% above
Medians across 433 gastroenterologists in Washington with Dmand AI profiles that report each measure.
Dr. Chou'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.
Need commercial claims for Dr. Chou?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chou and other gastroenterologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Naomi D. Chou treated 137 Medicare patients in 2024, average age 73
CMS counts 137 Medicare patients who saw Dr. Chou in 2024. The largest group is 65 to 74, with 74 patients. 71% of them have high cholesterol, and 58% have high blood pressure. 14% are also on Medicaid. Their average risk score is 0.97, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chou's median patient age at 60, with 57% women.
Medicare patients, 2024137
Average age73
Average risk score0.97
Also on Medicaid14%
Dr. Chou's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chou's Medicare patients by sex, 2024
- Women7454%
- Men6346%
Chronic conditions among Dr. Chou's Medicare patients, 2024
- High cholesterol71%
- High blood pressure58%
- Arthritis40%
- Mood disorders26%
- Depression23%
- Diabetes23%
- Ischemic heart disease20%
- Anxiety18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chou's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Naomi D. Chou wrote 429 Medicare Part D claims in 2024
In 2024, Dr. Chou wrote 429 Medicare Part D claims for 240 patients. 77% of them were for generic drugs. CMS names the drug for 324 of them, across 8 drugs with 11 or more claims each, at $24,775 in total drug cost. In 2023, CMS named 48 claims across 3 drugs.
Part D claims, 2024429
Drugs named by CMS8
Total drug cost$24,775
Part D patients240
Dr. Chou's Part D claims by kind of drug, 2024
- Generic330 claims77%
- Brand-name99 claims23%
Dr. Chou'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 482024: 324575%
Drugs named by CMS: 8 in 2024, 3 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. Naomi D. Chou ranks in the 65th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Chou accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chou as offering telehealth. CMS counts 54 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Chou, more than 65% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Chou ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 65th percentile54 procedures
- Colonoscopy
- 63rd percentile48 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. Naomi D. Chou has 2 publications on record
Dmand AI links 2 papers to Dr. Chou, published from 2019 to 2020. The most frequent topics are Inflammatory Bowel Diseases and Vitamin D.
Papers2
Years published2019 to 2020
Topics Dr. Chou writes about most
- Inflammatory Bowel Diseases
- Vitamin D
Recent publications by Dr. Chou
Aliment Pharmacol Ther
Inflammatory Bowel DiseasesVitamin D
See who Dr. Chou researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chou works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Naomi D. Chou received $100 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Chou from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $100.
Companies that paid Dr. Chou the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Naomi D. Chou graduated from Duke University School of Medicine
Dr. Chou graduated from Duke University School of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Naomi D. Chou'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) |
| 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 |
| 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. Naomi D. Chou
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. Naomi D. Chou's NPI number?
Dr. Naomi D. Chou's NPI number is 1518487628. It was assigned on June 21, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Naomi D. Chou?
Dr. Naomi D. Chou is a gastroenterologist in Issaquah, Washington. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Naomi D. Chou practice?
Dr. Chou practices at 751 NE Blakely Dr, Issaquah, WA 98029. Dr. Chou's primary practice is Swedish Issaquah Campus in Issaquah, Washington, part of Providence Health & Services. Dmand AI also links Dr. Chou to 1 hospital outpatient department and 1 medical group.
What is Dr. Naomi D. Chou's office phone number?
The practice phone on file for Dr. Chou is (425) 313-4000.
What is Dr. Naomi D. Chou's medical license number?
Dr. Chou holds Washington license MD61052834.
Which hospitals is Dr. Naomi D. Chou affiliated with?
Dr. Chou practices at Swedish Issaquah Campus in Issaquah, Washington. Dr. Chou is also affiliated with Swedish First Hill Campus.
What medical group is Dr. Naomi D. Chou part of?
Dr. Chou is linked to Swedish Health Services. Dmand AI links Dr. Chou to 1 more medical group.
Does Dr. Naomi D. Chou accept Medicare?
Yes. CMS data shows Dr. Chou billed Medicare for 180 services in 2024, and Dr. Chou accepts Medicare assignment.
Does Dr. Naomi D. Chou offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chou as offering telehealth services.
How many Medicare patients does Dr. Naomi D. Chou see?
CMS counts 137 Medicare patients who saw Dr. Chou in 2024, with an average age of 73.
Show 6 more questionsShow fewer questions
What services does Dr. Naomi D. Chou bill to Medicare?
In 2024, Dr. Chou's most billed Medicare services were surgery: digestive system (45385), surgery: digestive system (43239) and office visit, new patient (99204).
Where did Dr. Naomi D. Chou go to medical school?
Dr. Chou graduated from Duke University School of Medicine in 2017.
What drugs does Dr. Naomi D. Chou prescribe most?
In 2024 Medicare Part D data, Dr. Chou's most prescribed drugs by claims were Omeprazole, Peg-3350 And Electrolytes and Gavilyte-G.
Has Dr. Naomi D. Chou received payments from drug or device companies?
CMS Open Payments shows $100 in general payments to Dr. Chou from 1 company from 2024 to 2024. The largest total came from Boston Scientific Corporation.
How long has Dr. Naomi D. Chou been practicing?
Dr. Chou graduated from medical school in 2017, 9 years ago.
Does Dr. Naomi D. Chou do research?
Dmand AI links 2 publications to Dr. Chou, published from 2019 to 2020.
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