Dr. Tadd Kaeo Hiatt, MD
- Medicare services, 2024
- 411
- Medicare patients, 2024
- 330
- Part D claims, 2024
- 575
- Publications
- 7
- Hospital affiliations
- 3
- Practice address
- 1707 Lake Lansing Road, Lansing, MI 48912
- Practice phone
- Call (517) 267-0033
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lansing Surgery Center
Surgery Center - Medicare-Certified · Lansing, Michigan
Find Dr. Hiatt's professional email, personal email and mobile number
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Dr. Tadd Kaeo Hiatt is a gastroenterologist in Lansing, Michigan
Dr. Hiatt practices at Lansing Surgery Center in Lansing, Michigan.
Dr. Hiatt's NPI, 1457407074, was assigned on January 26, 2007. Dr. Hiatt graduated from Jefferson Medical College of Thomas Jefferson University in 2005. Dr. Hiatt holds Michigan license 4301100152.
- NPI
- 1457407074NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143395301
- NPI enumeration date
- January 26, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (517) 267-0033
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tadd Kaeo Hiatt practices at Lansing Surgery Center in Lansing, Michigan
Dr. Hiatt's primary practice is Lansing Surgery Center, at 1707 Lake Lansing Road, Lansing, MI 48912. The practice phone is (517) 267-0033.
- Lansing Surgery Center1707 Lake Lansing Road, Lansing, MI 48912Phone(517) 267-0033
Source: Dmand AI Affiliation Data
Dr. Tadd Kaeo Hiatt is affiliated with 8 sites of care and 5 medical groups
Dr. Hiatt's primary practice is Lansing Surgery Center in Lansing, Michigan. Dr. Hiatt is also affiliated with University of Michigan Health-Sparrow Lansing. The medical group on file is University of Michigan Health. Dmand AI also links Dr. Hiatt to 2 more hospitals, 4 group practices and clinics and 4 medical groups, 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. Tadd Kaeo Hiatt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hiatt practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lansing Surgery Center | Available with a free account |
| +7 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Tadd Kaeo Hiatt is one of 487 gastroenterologists in Michigan
Gastroenterology is Dr. Hiatt's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Hiatt's licenses on file in 2 states: Michigan and Colorado.
Specialties and state licenses
- Gastroenterology, MichiganPrimary
- Internal medicine, Colorado
Gastroenterologists near Dr. Hiatt
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. Tadd Kaeo Hiatt billed Medicare for 411 services in 2024
CMS data shows 411 Medicare services from Dr. Hiatt across 12 procedure codes in 2024, for 330 Medicare patients. Medicare paid $45,455 for them.
Dr. Hiatt's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 2942024: 20630%
- Office and hospital visits
- 2023: 1732024: 20518%
- Other services
- 2023: 342024: 0100%
Where Dr. Hiatt's Medicare services took place, 2024
- In an office17843%
- In a facility23357%
Dr. Hiatt compared with the Michigan median for gastroenterologists, 2024
- Dr. Hiatt
- Michigan median
- Medicare services
- 411vs 32427% above
- Medicare patients
- 330vs 23043% above
- Part D claims
- 405vs 424Close to median
Medians across 487 gastroenterologists in Michigan with Dmand AI profiles that report each measure.
Dr. Hiatt'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tadd Kaeo Hiatt treated 330 Medicare patients in 2024, average age 70
CMS counts 330 Medicare patients who saw Dr. Hiatt in 2024. The largest group is 65 to 74, with 161 patients. 69% of them have high blood pressure, and 62% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.82, 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. Hiatt's median patient age at 61, with 53% women.
Dr. Hiatt's Medicare patients by age, 2024
Dr. Hiatt's Medicare patients by sex, 2024
- Women18656%
- Men14444%
Chronic conditions among Dr. Hiatt's Medicare patients, 2024
- High blood pressure69%
- High cholesterol62%
- Arthritis47%
- Mood disorders36%
- Anxiety35%
- Chronic kidney disease33%
- Depression33%
- Diabetes30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hiatt'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%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tadd Kaeo Hiatt wrote 575 Medicare Part D claims in 2024
In 2024, Dr. Hiatt wrote 575 Medicare Part D claims for 233 patients. 69% of them were for generic drugs. CMS names the drug for 405 of them, across 14 drugs with 11 or more claims each, at $152,185 in total drug cost. In 2023, CMS named 392 claims across 11 drugs.
Dr. Hiatt's Part D claims by kind of drug, 2024
- Generic395 claims69%
- Brand-name and other180 claims31%
Dr. Hiatt'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. Hiatt's Part D claims, 2024
- Antibiotics4%24 of 575 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: 3922024: 4053%
Drugs named by CMS: 14 in 2024, 11 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. Tadd Kaeo Hiatt ranks in the 78th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Hiatt accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hiatt as offering telehealth. CMS counts 108 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Hiatt, more than 78% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Hiatt ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 78th percentile108 procedures
- Colonoscopy
- 72nd percentile74 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. Tadd Kaeo Hiatt has 7 publications on record
Dmand AI links 7 papers to Dr. Hiatt, published from 2013 to 2025. 2024 was the busiest year, with 2. Dr. Hiatt has published most often in Cureus. Dr. Hiatt's most frequent co-authors are Amey Uday Joshi, MD, Adarsh A. Jha, MD and Bashar Attar, MD.
Dr. Hiatt's papers by year, 2013 to 2025
Dr. Hiatt's most frequent co-authors
Recent publications by Dr. Hiatt
Gastroenterology
See who Dr. Hiatt researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hiatt 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. Tadd Kaeo Hiatt received $1,904 in industry payments in 2025
CMS Open Payments shows 95 general payments to Dr. Hiatt from 17 drug and device companies in 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $413.
General payments to Dr. Hiatt by kind, 2025 to 2025
- Food and beverage$1,89399%
- Education$101%
Companies that paid Dr. Hiatt the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Tadd Kaeo Hiatt graduated from Jefferson Medical College of Thomas Jefferson University
Dr. Hiatt graduated from Jefferson Medical College of Thomas Jefferson University in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Tadd Kaeo Hiatt'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. Tadd Kaeo Hiatt
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. Tadd Kaeo Hiatt's NPI number?
Dr. Tadd Kaeo Hiatt's NPI number is 1457407074. It was assigned on January 26, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Tadd Kaeo Hiatt?
Dr. Tadd Kaeo Hiatt is a gastroenterologist in Lansing, Michigan. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Tadd Kaeo Hiatt practice?
Dr. Hiatt practices at 1707 Lake Lansing Road, Lansing, MI 48912. Dr. Hiatt's primary practice is Lansing Surgery Center in Lansing, Michigan. Dmand AI also links Dr. Hiatt to 2 hospitals, 4 group practices and clinics and 4 medical groups.
What is Dr. Tadd Kaeo Hiatt's office phone number?
The practice phone on file for Dr. Hiatt is (517) 267-0033.
What is Dr. Tadd Kaeo Hiatt's medical license number?
Dr. Hiatt holds Michigan license 4301100152, one of the licenses on file in 2 states.
Which states has Dr. Tadd Kaeo Hiatt been licensed in?
Dmand AI has state licenses on file for Dr. Hiatt in Michigan and Colorado.
Which hospitals is Dr. Tadd Kaeo Hiatt affiliated with?
Dr. Hiatt is affiliated with University of Michigan Health-Sparrow Lansing. Dmand AI links Dr. Hiatt to 2 more hospitals.
What medical group is Dr. Tadd Kaeo Hiatt part of?
Dr. Hiatt is linked to University of Michigan Health. Dmand AI links Dr. Hiatt to 4 more medical groups.
Does Dr. Tadd Kaeo Hiatt accept Medicare?
Yes. CMS data shows Dr. Hiatt billed Medicare for 411 services in 2024, and Dr. Hiatt accepts Medicare assignment.
Does Dr. Tadd Kaeo Hiatt offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Hiatt as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Tadd Kaeo Hiatt see?
CMS counts 330 Medicare patients who saw Dr. Hiatt in 2024, with an average age of 70.
What services does Dr. Tadd Kaeo Hiatt bill to Medicare?
In 2024, Dr. Hiatt's most billed Medicare services were surgery: digestive system (45385), surgery: digestive system (43239) and surgery: digestive system (45380).
Where did Dr. Tadd Kaeo Hiatt go to medical school?
Dr. Hiatt graduated from Jefferson Medical College of Thomas Jefferson University in 2005.
What drugs does Dr. Tadd Kaeo Hiatt prescribe most?
In 2024 Medicare Part D data, Dr. Hiatt's most prescribed drugs by claims were Peg 3350-Electrolyte, Omeprazole and Linzess.
Has Dr. Tadd Kaeo Hiatt received payments from drug or device companies?
CMS Open Payments shows $1,904 in general payments to Dr. Hiatt from 17 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Tadd Kaeo Hiatt been practicing?
Dr. Hiatt graduated from medical school in 2005, 21 years ago.
Does Dr. Tadd Kaeo Hiatt do research?
Dmand AI links 7 publications to Dr. Hiatt, published from 2013 to 2025.
Who does Dr. Tadd Kaeo Hiatt publish with?
Dr. Hiatt's most frequent co-authors are Amey Uday Joshi, MD (4 shared papers), Adarsh A. Jha, MD (2 shared papers) and Bashar Attar, MD (1 shared paper).
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