Physician Profile
Unclaimed ProfileAbout ELLIS
Based in New York, NY, Mark Kenneth Ellis, M.D. is listed in the NPI registry under emergency medical services. Medicare claims data shows Mark provided 260 services to 251 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (914) 393-2368
- Email not available
Practice Locations
2 5TH AVE APT 2D
New York, NY 10011
Procedures Most Often Billed to Medicare
260 services · 251 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
165 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
68 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
27 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other emergency medical serviceses in New York 8
Same specialty, same city.
Common questions
What does Dr. Ellis specialize in?
Dr. Ellis is an emergency medical services in New York, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Emergency Medical Services”.
NPI registry
Where is Dr. Ellis located?
Dr. Ellis is listed at 2 5TH AVE APT 2D, New York, NY 10011. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Ellis's phone number?
The number on file is (914) 393-2368. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Ellis?
Dr. Ellis's National Provider Identifier is 1659682219. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does Dr. Ellis have?
Dr. Ellis has 16+ years experience. Registered with an NPI since 2010. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Dr. Ellis do most often?
According to Medicare billing data, Dr. Ellis the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Ellis's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ellis. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.