Dr. Gregory N. Appenfeller, MD
- Medicare services, 2016
- 285
- Industry payments
- $86
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 20375 W 151st St, Olathe, KS 66061-5306
- Practice phone
- Call (913) 782-2292
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Appenfeller'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 N. Appenfeller is an anesthesiologist in Olathe, Kansas
Dr. Appenfeller practices in Olathe, Kansas.
Dr. Appenfeller's NPI, 1578663720, was assigned on September 25, 2006. Dr. Appenfeller holds Kansas license 0424023.
- NPI
- 1578663720NPI Registry (opens in a new tab)
- NPI enumeration date
- September 25, 2006
- NPI status
- Active
- Practice phone
- (913) 782-2292
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Gregory N. Appenfeller's practice address is in Olathe, Kansas
Dr. Appenfeller's practice address in the NPI Registry is 20375 W 151st St, Olathe, KS 66061-5306. The practice phone is (913) 782-2292.
- NPI Registry address20375 W 151st St, Olathe, KS 66061-5306Phone(913) 782-2292
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Gregory N. Appenfeller's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Appenfeller practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Appenfeller's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory N. Appenfeller is one of 320 anesthesiologists in Kansas
Anesthesiology is Dr. Appenfeller's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Appenfeller is licensed in Kansas.
Specialties and state licenses
- Anesthesiology, KansasPrimary
Anesthesiologists near Dr. Appenfeller
Counts of anesthesiologists 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 N. Appenfeller billed Medicare for 285 services in 2016
CMS data shows 285 Medicare services from Dr. Appenfeller across 8 procedure codes in 2016. Medicare paid $16,858 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Appenfeller compared with the Kansas median for anesthesiologists, 2016
- Dr. Appenfeller
- Kansas median
- Medicare services
- 285vs 1132.5 times
Medians across 304 anesthesiologists in Kansas with Dmand AI profiles that report each measure.
Dr. Appenfeller's most billed Medicare procedure codes, 2016
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. Appenfeller and other anesthesiologists in Kansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
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Dr. Gregory N. Appenfeller received $86 in industry payments from 2022 to 2025
CMS Open Payments shows 4 general payments to Dr. Appenfeller from 4 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $35.
General payments to Dr. Appenfeller by program year, 2022 to 2025
Companies that paid Dr. Appenfeller the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gregory N. Appenfeller'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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 |
| 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. Gregory N. Appenfeller
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 N. Appenfeller's NPI number?
Dr. Gregory N. Appenfeller's NPI number is 1578663720. It was assigned on September 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory N. Appenfeller?
Dr. Gregory N. Appenfeller is an anesthesiologist in Olathe, Kansas. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Gregory N. Appenfeller practice?
Dr. Appenfeller practices at 20375 W 151st St, Olathe, KS 66061-5306.
What is Dr. Gregory N. Appenfeller's office phone number?
The practice phone on file for Dr. Appenfeller is (913) 782-2292.
What is Dr. Gregory N. Appenfeller's medical license number?
Dr. Appenfeller holds Kansas license 0424023.
Does Dr. Gregory N. Appenfeller accept Medicare?
Yes. CMS data shows Dr. Appenfeller billed Medicare for 285 services in 2016.
What services does Dr. Gregory N. Appenfeller bill to Medicare?
In 2016, Dr. Appenfeller's most billed Medicare services were anesthesia (00810), anesthesia (00142) and anesthesia (00740).
Has Dr. Gregory N. Appenfeller received payments from drug or device companies?
CMS Open Payments shows $86 in general payments to Dr. Appenfeller from 4 companies from 2022 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Gregory N. Appenfeller been practicing?
Dr. Appenfeller's NPI was assigned in 2006.
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