Dr. Mary Ellen Lyon, MD
- Medicare services, 2022
- 227
- Hospital affiliations
- 2
- Medical groups
- 2
- State licenses
- 2
- Year NPI issued
- 2015
- Practice address
- 9352 Park West Blvd, Knoxville, TN 37923
- Practice phone
- Call (865) 970-1001
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lyon'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. Mary Ellen Lyon is an emergency medicine physician in New Haven, Connecticut
Dr. Lyon practices at Covenant Health Parkwest in Knoxville, Tennessee, part of Covenant Health.
Dr. Lyon's NPI, 1093101875, was assigned on April 8, 2015. Dr. Lyon holds Connecticut license 60501.
- NPI
- 1093101875NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183938962
- NPI enumeration date
- April 8, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (865) 970-1001
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mary Ellen Lyon practices in Knoxville and New Haven
Dr. Lyon's primary practice is Covenant Health Parkwest, at 9352 Park West Blvd, Knoxville, TN 37923 in Knox County. The practice phone is (865) 970-1001. The NPI Registry lists Dr. Lyon's practice address as 20 York St, New Haven, CT 06510.
- Covenant Health ParkwestPrimary9352 Park West Blvd, Knoxville, TN 37923 · Knox CountyPhone(865) 970-1001
- NPI Registry address20 York St, New Haven, CT 06510 · South Central Ct CountyPhone(213) 713-5674
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Mary Ellen Lyon is affiliated with 2 sites of care and 2 medical groups
Dr. Lyon's primary practice is Covenant Health Parkwest in Knoxville, Tennessee, part of Covenant Health. Dr. Lyon is also affiliated with The University of Tennessee Medical Center. The medical group on file is Southeastern Emergency Physicians. Dmand AI also links Dr. Lyon to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mary Ellen Lyon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lyon practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Covenant Health Parkwest | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Mary Ellen Lyon is one of 683 emergency medicine physicians in Connecticut
Emergency medicine is Dr. Lyon's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Lyon's licenses on file in 2 states: Connecticut and Wisconsin.
Specialties and state licenses
- Emergency medicine, ConnecticutPrimary
- Wisconsin license
Emergency medicine physicians near Dr. Lyon
Counts of emergency medicine physicians 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. Mary Ellen Lyon billed Medicare for 227 services in 2022
CMS data shows 227 Medicare services from Dr. Lyon across 4 procedure codes in 2022. Medicare paid $30,980 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lyon's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 4512022: 22750%
- Tests and treatments
- 2021: 742022: 0100%
Dr. Lyon compared with the Connecticut median for emergency medicine physicians, 2022
- Dr. Lyon
- Connecticut median
- Medicare services
- 227vs 2437% below
Medians across 695 emergency medicine physicians in Connecticut with Dmand AI profiles that report each measure.
Dr. Lyon's most billed Medicare procedure codes, 2022
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. Lyon?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lyon and other emergency medicine physicians in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
How Dr. Mary Ellen Lyon takes part in Medicare
Dr. Lyon accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Dr. Mary Ellen Lyon'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand 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 |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Mary Ellen Lyon
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. Mary Ellen Lyon's NPI number?
Dr. Mary Ellen Lyon's NPI number is 1093101875. It was assigned on April 8, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary Ellen Lyon?
Dr. Mary Ellen Lyon is an emergency medicine physician in New Haven, Connecticut. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Mary Ellen Lyon practice?
Dr. Lyon practices at 9352 Park West Blvd, Knoxville, TN 37923. Dr. Lyon also practices at 20 York St, New Haven, CT 06510. Dr. Lyon's primary practice is Covenant Health Parkwest in Knoxville, Tennessee, part of Covenant Health. Dmand AI also links Dr. Lyon to 1 medical group.
What is Dr. Mary Ellen Lyon's office phone number?
The practice phone on file for Dr. Lyon is (865) 970-1001.
What is Dr. Mary Ellen Lyon's medical license number?
Dr. Lyon holds Connecticut license 60501, one of the licenses on file in 2 states.
Which states has Dr. Mary Ellen Lyon been licensed in?
Dmand AI has state licenses on file for Dr. Lyon in Connecticut and Wisconsin.
Which hospitals is Dr. Mary Ellen Lyon affiliated with?
Dr. Lyon practices at Covenant Health Parkwest in Knoxville, Tennessee. Dr. Lyon is also affiliated with The University of Tennessee Medical Center.
What medical group is Dr. Mary Ellen Lyon part of?
Dr. Lyon is linked to Southeastern Emergency Physicians. Dmand AI links Dr. Lyon to 1 more medical group.
Does Dr. Mary Ellen Lyon accept Medicare?
Yes. CMS data shows Dr. Lyon billed Medicare for 227 services in 2022, and Dr. Lyon accepts Medicare assignment.
What services does Dr. Mary Ellen Lyon bill to Medicare?
In 2022, Dr. Lyon's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
How long has Dr. Mary Ellen Lyon been practicing?
Dr. Lyon's NPI was assigned in 2015.
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