Kenneth Michael Felsenstein, PHD
Emergency Medicine Physician · Aurora, CO
Kenneth Michael Felsenstein, PHD is an emergency medicine physician with a practice address in Aurora, Colorado, and NPI 1679153506, issued on Apr 13, 2021. Check the license on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Kenneth Michael Felsenstein
- Credential
- PHD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MD61688521 WA
Self-reported in NPPES; status is on the state search - Practice location
- 13001 E 17TH PL, Aurora, CO 80045
- Phone
- (201) 274-6782
- Enumerated
- Apr 13, 2021
- Record last updated
- Nov 26, 2025
- Medicare enrollment
- Enrolled (PECOS I20260127004203); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,434 in Colorado → Look up another NPI →
Also registered at 13001 E 17TH PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Abts, M.D.Anesthesiology Physician1598086118
- Samah AburahmaStudent in an Organized Health Care Education/Training Program1023541463
- Sara Achrati, M.D.Student in an Organized Health Care Education/Training Program1134659097
- Amy Akerman, PA-CMedical Physician Assistant1922326024
- Ahmed Al BazroonStudent in an Organized Health Care Education/Training Program1881907806
- Mohammed Al-Musawi, MDStudent in an Organized Health Care Education/Training Program1871240101
Verify Kenneth Michael Felsenstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average emergency medicine physician in 2024
61 Medicare Part D claims for 44 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Olympia Emergency Care Physicians PLLCLacey, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kenneth Michael Felsenstein among 1,434 emergency medicine physician records in Colorado
Kenneth Michael Felsenstein, PHD is one of 1,434 emergency medicine physician records with a practice address in Colorado. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 94% of them.
- NPI issued2021 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2022 · median 2011 among the 810 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
246 emergency medicine physician records list a practice address in Aurora
They are 246 of the 17,400 NPPES records with a practice address in Aurora, and 1,434 emergency medicine physician records in Colorado.
All 1,434 in Colorado → Every provider in Aurora → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- David Avner, MDAurora, CO 800451134106966
- Tracy Cushing, MD, MPHAurora, CO 800451578553889
- Daniel Dobler, M.D.Aurora, CO 800451033193115
- Carol Dombro, M.D.Aurora, CO 800451932183910
- Adit Ginde, MDAurora, CO 800451225009467
- Michael GirardAurora, CO 800451144205964
- Paul Grossman, MDAurora, CO 800451477526929
- Todd Guth, MDAurora, CO 800451740266964
Common questions
What is Kenneth Michael Felsenstein, PHD's NPI number?
Kenneth Michael Felsenstein, PHD's National Provider Identifier (NPI) is 1679153506, issued on Apr 13, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth Michael Felsenstein, PHD located?
The NPPES record lists a practice address at 13001 E 17TH PL, Aurora, CO, 80045. Phone: (201) 274-6782. Providers update this record themselves, so call before visiting.
How can I verify Kenneth Michael Felsenstein, PHD's license?
Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kenneth Michael Felsenstein, PHD prescribe under Medicare Part D?
In 2024, Kenneth Michael Felsenstein, PHD had 61 Medicare Part D claims for 44 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.