Gastroenterology
Dr. Mimi Chang Tan, MD, MPH
NPI1265753107PAC ID3173874393
- Medicare services, 2021
- 17
- Part D claims, 2016
- 11
- Publications
- 56
- MIPS score, 2024
- 93
- Hospital affiliations
- 2
- Practice address
- 915 Anderson Drive, Aberdeen, WA 98520
- Practice phone
- Call (360) 532-8330
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tan's professional email, personal email and mobile number
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Dr. Mimi Chang Tan is a gastroenterologist in Aberdeen, Washington
Dr. Tan practices at Harbor Regional Health Community Hospital in Aberdeen, Washington, part of Harbor Regional Health.
Dr. Tan's NPI, 1265753107, was assigned on June 15, 2010. Dr. Tan graduated from Joe R. & Teresa Lozano Long School of Medicine in 2010. Dr. Tan's Texas license number on file is P4251.
NPI and contact details
- NPI
- 1265753107NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173874393
- NPI enumeration date
- June 15, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (360) 532-8330
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mimi Chang Tan practices at Harbor Regional Health Community Hospital in Aberdeen, Washington
Dr. Tan's primary practice is Harbor Regional Health Community Hospital, at 915 Anderson Drive, Aberdeen, WA 98520 in Grays Harbor County. The practice phone is (360) 532-8330.
- Harbor Regional Health Community Hospital915 Anderson Drive, Aberdeen, WA 98520 · Grays Harbor CountyPhone(360) 532-8330
Source: Dmand AI Affiliation Data
Dr. Mimi Chang Tan is affiliated with 2 sites of care and 1 medical group
Dr. Tan's primary practice is Harbor Regional Health Community Hospital in Aberdeen, Washington, part of Harbor Regional Health. Dr. Tan is also affiliated with Harris Health Ben Taub Hospital. The medical group on file is Baylor College of Medicine.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mimi Chang Tan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Harbor Regional Health Community Hospital | 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. Mimi Chang Tan is one of 434 gastroenterologists in Washington
Gastroenterology is Dr. Tan's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Tan is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Tan has a license on file in Texas.
Specialties and state licenses
- Gastroenterology, TexasPrimary
Gastroenterologists near Dr. Tan
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. Mimi Chang Tan billed Medicare for 17 services in 2021
CMS data shows 17 Medicare services from Dr. Tan across 1 procedure code in 2021, all of them office visits. Medicare paid $1,252 for them. Every service was in an office.
Medicare services, 202117
Paid by Medicare$1,252
Procedure codes1
Dr. Tan compared with the Washington median for gastroenterologists, 2021
- Dr. Tan
- Washington median
- Medicare services
- 17vs 35695% below
- Part D claims
- 11vs 27296% below
Medians across 433 gastroenterologists in Washington with Dmand AI profiles that report each measure.
Dr. Tan's most billed Medicare procedure codes, 2021
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. Tan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tan and other gastroenterologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mimi Chang Tan's patients have a median age of 38
Across all payers, Dmand AI patient panel data puts Dr. Tan's median patient age at 38, with 71% women.
Dr. Tan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women71%
- Men29%
Source: Dmand AI Patient Panel Data
Dr. Mimi Chang Tan wrote 11 Medicare Part D claims in 2016
In 2016, Dr. Tan wrote 11 Medicare Part D claims. They cover 1 drug, with $4,026 in total drug cost.
Part D claims, 201611
Drugs named by CMS1
Total drug cost$4,026
Dr. Tan's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Mimi Chang Tan scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Tan for performance year 2024, reported as part of a group. Dr. Tan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Tan's MIPS scores, performance year 2024
- 93of 100Final score
- 87.8of 100Quality
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Mimi Chang Tan has 56 publications on record
Dmand AI links 56 papers to Dr. Tan, published from 2012 to 2025. 2018 was the busiest year, with 6. The most frequent topics are Stomach Neoplasms, Helicobacter Infections and Helicobacter pylori. Dr. Tan has published most often in Dig Dis Sci. Dr. Tan's most frequent co-authors are Hashem Beshir El-Serag, MD, MPH, Sharmila Anandasabapathy, MD and Niharika Reddy Mallepally, MD, MPH.
Papers56
Years published2012 to 2025
Dr. Tan's papers by year, 2014 to 2025
Topics Dr. Tan writes about most
- Stomach Neoplasms
- Helicobacter Infections
- Helicobacter pylori
- Metaplasia
- Barrett Esophagus
- Esophageal Neoplasms
- Adenocarcinoma
- Precancerous Conditions
Dr. Tan's most frequent co-authors
- Hashem Beshir El-Serag, MD, MPH25 shared papers
- Sharmila Anandasabapathy, MD5 shared papers
- Niharika Reddy Mallepally, MD, MPH5 shared papers
Recent publications by Dr. Tan
AdenomaColonic PolypsColonoscopy
Barrett EsophagusDeep LearningEsophageal Neoplasms
See who Dr. Tan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tan 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. Mimi Chang Tan received $5,205 in industry payments from 2016 to 2025
CMS Open Payments shows 38 general payments to Dr. Tan from 15 drug and device companies from 2016 to 2025. Education make up the largest share, 70% of the total. Abbvie Inc. paid the most, $2,190.
General payments to Dr. Tan by program year, 2016 to 2025
General payments to Dr. Tan by kind, 2016 to 2025
$5.2Kin total
- Education$3,64970%
- Food and beverage$1,24924%
- Travel and lodging$3076%
Companies that paid Dr. Tan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mimi Chang Tan graduated from Joe R. & Teresa Lozano Long School of Medicine
Dr. Tan graduated from Joe R. & Teresa Lozano Long School of Medicine in 2010.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Dr. Mimi Chang Tan accepts plans from 14 insurance carriers
Dr. Tan is in network with 14 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Elevance. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- Aetna
- Alliant Health Plans
- HCSC
- Baylor Scott and White
- Blue Cross and Blue Shield of Kansas City
- +6 more carriersWith a free account
Plan types Dr. Tan accepts, by number of carriers
- HMO9
- PPO7
- EPO3
- POS3
- Medicare2
Source: Dmand AI Insurance Network Data
Sources for Dr. Mimi Chang Tan'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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)Clinician Public Reporting: Overall MIPS Performance (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 |
| 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. Mimi Chang Tan
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. Mimi Chang Tan's NPI number?
Dr. Mimi Chang Tan's NPI number is 1265753107. It was assigned on June 15, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Mimi Chang Tan?
Dr. Mimi Chang Tan is a gastroenterologist in Aberdeen, Washington. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Mimi Chang Tan practice?
Dr. Tan practices at 915 Anderson Drive, Aberdeen, WA 98520. Dr. Tan's primary practice is Harbor Regional Health Community Hospital in Aberdeen, Washington, part of Harbor Regional Health.
What is Dr. Mimi Chang Tan's office phone number?
The practice phone on file for Dr. Tan is (360) 532-8330.
What is Dr. Mimi Chang Tan's medical license number?
Dr. Tan's Texas license number on file is P4251.
Which hospitals is Dr. Mimi Chang Tan affiliated with?
Dr. Tan practices at Harbor Regional Health Community Hospital in Aberdeen, Washington. Dr. Tan is also affiliated with Harris Health Ben Taub Hospital.
What medical group is Dr. Mimi Chang Tan part of?
Dr. Tan is linked to Baylor College of Medicine.
Does Dr. Mimi Chang Tan accept Medicare?
Yes. CMS data shows Dr. Tan billed Medicare for 17 services in 2021, and Dr. Tan accepts Medicare assignment.
What is Dr. Mimi Chang Tan's MIPS score?
Dr. Tan's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
Is Dr. Mimi Chang Tan board certified?
Yes. Dr. Tan is board certified in gastroenterology by the American Board of Internal Medicine.
Show 8 more questionsShow fewer questions
What services does Dr. Mimi Chang Tan bill to Medicare?
In 2021, Dr. Tan's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Mimi Chang Tan go to medical school?
Dr. Tan graduated from Joe R. & Teresa Lozano Long School of Medicine in 2010.
What drugs does Dr. Mimi Chang Tan prescribe most?
In 2016 Medicare Part D data, Dr. Tan's most prescribed drugs by claims were Dexilant.
Has Dr. Mimi Chang Tan received payments from drug or device companies?
CMS Open Payments shows $5,205 in general payments to Dr. Tan from 15 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Mimi Chang Tan been practicing?
Dr. Tan graduated from medical school in 2010, 16 years ago.
Does Dr. Mimi Chang Tan do research?
Dmand AI links 56 publications to Dr. Tan, published from 2012 to 2025.
Who does Dr. Mimi Chang Tan publish with?
Dr. Tan's most frequent co-authors are Hashem Beshir El-Serag, MD, MPH (25 shared papers), Sharmila Anandasabapathy, MD (5 shared papers) and Niharika Reddy Mallepally, MD, MPH (5 shared papers).
What insurance does Dr. Mimi Chang Tan accept?
Dr. Tan is in network with 14 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Elevance. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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