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Dr. Gregory O. Appleton, MD
NPI1114927928
- Medicare services, 2024
- 15
- Medicare patients, 2024
- 24
- Publications
- 2
- Hospital affiliations
- 1
- Industry payments
- $182
- Practice address
- 6441 Main St, Houston, TX 77030
- Practice phone
- Call (713) 790-0500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Appleton'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. Gregory O. Appleton is a cardiologist in Houston, Texas
Dr. Appleton practices at Kindred Hospital Houston Medical Center in Houston, Texas, part of ScionHealth.
Dr. Appleton's NPI, 1114927928, was assigned on July 22, 2005. Dr. Appleton graduated from UCSF School of Medicine in 1988. Dr. Appleton's Texas license number on file is L6265.
NPI and contact details
- NPI
- 1114927928NPI Registry (opens in a new tab)
- NPI enumeration date
- July 22, 2005
- NPI status
- Active
- Practice phone
- (713) 790-0500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gregory O. Appleton practices at Kindred Hospital Houston Medical Center in Houston, Texas
Dr. Appleton's primary practice is Kindred Hospital Houston Medical Center, at 6441 Main St, Houston, TX 77030 in Harris County. The practice phone is (713) 790-0500.
- Kindred Hospital Houston Medical Center6441 Main St, Houston, TX 77030 · Harris CountyPhone(713) 790-0500
Source: Dmand AI Affiliation Data
Dr. Gregory O. Appleton is affiliated with 1 site of care and 1 medical group
Dr. Appleton's primary practice is Kindred Hospital Houston Medical Center in Houston, Texas, part of ScionHealth. The medical group on file is Cornerstone Specialty Hospitals Tucson.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory O. Appleton's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Appleton practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kindred Hospital Houston Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Gregory O. Appleton is one of 1,481 cardiologists in Texas
Cardiovascular disease is Dr. Appleton's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Appleton is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. Appleton's licenses on file in 3 states: Texas, California and Washington.
Specialties and state licenses
- Cardiovascular disease, TexasPrimary
- California license
- Washington license
Cardiologists near Dr. Appleton
Counts of cardiologists 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. Gregory O. Appleton billed Medicare for 15 services in 2024
CMS data shows 15 Medicare services from Dr. Appleton across 1 procedure code in 2024, for 24 Medicare patients. Medicare paid $594 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202415
Medicare patients24
Paid by Medicare$594
Procedure codes1
Dr. Appleton's Medicare services by type, 2021 to 2024
- 2021
- 2024
- Office and hospital visits
- 2021: 192024: 1521%
- Imaging
- 2021: 452024: 0100%
- Surgery
- 2021: 302024: 0100%
Dr. Appleton compared with the Texas median for cardiologists, 2024
- Dr. Appleton
- Texas median
- Medicare services
- 15vs 1,95599% below
- Medicare patients
- 24vs 62896% below
Medians across 1,431 cardiologists in Texas with Dmand AI profiles that report each measure.
Dr. Appleton'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. Appleton?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Appleton and other cardiologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory O. Appleton treated 24 Medicare patients in 2024, average age 68
CMS counts 24 Medicare patients who saw Dr. Appleton in 2024. 75% of them have chronic kidney disease, and 75% have heart failure. Their average risk score is 4.74, 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. Appleton's median patient age at 64, with 22% women.
Medicare patients, 202424
Average age68
Average risk score4.74
Chronic conditions among Dr. Appleton's Medicare patients, 2024
- Chronic kidney disease75%
- Heart failure75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Diabetes71%
- Anxiety58%
- COPD54%
Share of Medicare patients with each condition. A patient can have several.
Dr. Appleton's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women22%
- Men78%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
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Dr. Gregory O. Appleton has 2 publications on record
Dmand AI links 2 papers to Dr. Appleton. Dr. Appleton's most frequent co-authors are Mark L. Entman, MD and George E. Taffet, MD.
Papers2
Dr. Appleton's most frequent co-authors
Recent publications by Dr. Appleton
See who Dr. Appleton researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Appleton works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory O. Appleton received $182 in industry payments from 2017 to 2019
CMS Open Payments shows 2 general payments to Dr. Appleton from 2 drug and device companies from 2017 to 2019. Food and beverage make up the largest share, 100% of the total. Fisher & Paykel Healthcare Inc paid the most, $160.
General payments to Dr. Appleton by program year, 2017 to 2019
Companies that paid Dr. Appleton the most, 2017 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory O. Appleton has 1 award and honors on record
Dmand AI lists 1 award for Dr. Appleton.
Awards and honors for Dr. Appleton
- Undated
- ACC Fellow
Source: Dmand AI Professional Profile Data
Dr. Gregory O. Appleton graduated from UCSF School of Medicine
Dr. Appleton graduated from UCSF School of Medicine in 1988. Dr. Appleton is a member of ACC.
- Medical school
- Board certified in cardiovascular disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Gregory O. Appleton accepts plans from 2 insurance carriers
Dr. Appleton is in network with 2 carriers, including Blue Cross Blue Shield of Michigan and CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- CMS Medicare
Plan types Dr. Appleton accepts, by number of carriers
- Medicare1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory O. Appleton'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) |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Gregory O. Appleton
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. Gregory O. Appleton's NPI number?
Dr. Gregory O. Appleton's NPI number is 1114927928. It was assigned on July 22, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory O. Appleton?
Dr. Gregory O. Appleton is a cardiologist in Houston, Texas. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Gregory O. Appleton practice?
Dr. Appleton practices at 6441 Main St, Houston, TX 77030. Dr. Appleton's primary practice is Kindred Hospital Houston Medical Center in Houston, Texas, part of ScionHealth.
What is Dr. Gregory O. Appleton's office phone number?
The practice phone on file for Dr. Appleton is (713) 790-0500.
What is Dr. Gregory O. Appleton's medical license number?
Dr. Appleton's Texas license number on file is L6265, one of the licenses on file in 3 states.
Which states has Dr. Gregory O. Appleton been licensed in?
Dmand AI has state licenses on file for Dr. Appleton in Texas (2003 to 2025), California (1990 to 2026) and Washington (1993 to 2013).
Which hospitals is Dr. Gregory O. Appleton affiliated with?
Dr. Appleton practices at Kindred Hospital Houston Medical Center in Houston, Texas.
What medical group is Dr. Gregory O. Appleton part of?
Dr. Appleton is linked to Cornerstone Specialty Hospitals Tucson.
Does Dr. Gregory O. Appleton accept Medicare?
Yes. CMS data shows Dr. Appleton billed Medicare for 15 services in 2024.
How many Medicare patients does Dr. Gregory O. Appleton see?
CMS counts 24 Medicare patients who saw Dr. Appleton in 2024, with an average age of 68.
Show 8 more questionsShow fewer questions
Is Dr. Gregory O. Appleton board certified?
Yes. Dr. Appleton is board certified in cardiovascular disease by the American Board of Internal Medicine.
What services does Dr. Gregory O. Appleton bill to Medicare?
In 2024, Dr. Appleton's most billed Medicare services were hospital inpatient care (99231).
Where did Dr. Gregory O. Appleton go to medical school?
Dr. Appleton graduated from UCSF School of Medicine in 1988.
Has Dr. Gregory O. Appleton received payments from drug or device companies?
CMS Open Payments shows $182 in general payments to Dr. Appleton from 2 companies from 2017 to 2019. The largest total came from Fisher & Paykel Healthcare Inc.
How long has Dr. Gregory O. Appleton been practicing?
Dr. Appleton graduated from medical school in 1988, 38 years ago.
Does Dr. Gregory O. Appleton do research?
Dmand AI links 2 publications to Dr. Appleton.
Who does Dr. Gregory O. Appleton publish with?
Dr. Appleton's most frequent co-authors are Mark L. Entman, MD (1 shared paper) and George E. Taffet, MD (1 shared paper).
What insurance does Dr. Gregory O. Appleton accept?
Dr. Appleton is in network with 2 carriers, including Blue Cross Blue Shield of Michigan and CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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