Physician Profile
Unclaimed ProfileAbout EWALT
Mark David Ewalt, M.D. practises pathology in New York, NY. Mark is a 2009 graduate of Columbia University College of Physicians and Surgeons. Mark is also listed as specialising in cytopathology and hematopathology.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Ewalt specialise in?
Dr. Ewalt is a pathology in New York, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PATHOLOGY”.
NPI registry
Where is Dr. Ewalt located?
Dr. Ewalt is listed at 1275 YORK AVENUE DEPT OF PATHOLOGY, BOX #36, New York, NY 10065. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Ewalt's phone number?
The number on file is (212) 639-8137. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Ewalt's NPI number?
Dr. Ewalt's National Provider Identifier is 1497998512. 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
Where did Dr. Ewalt go to medical school?
Dr. Ewalt attended Columbia University College of Physicians and Surgeons, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Ewalt been practising?
Dr. Ewalt has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Ewalt do most often?
According to Medicare billing data, Dr. Ewalt 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
Has Dr. Ewalt confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ewalt. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (212) 639-8137
- Email not available
Practice Locations
1275 YORK AVENUE DEPT OF PATHOLOGY, BOX #36
New York, NY 10065
Procedures Most Often Billed to Medicare
1,079 services · 933 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Interpretation and report of genetic testing | Lab test | 88291 |
613 |
| Molecular pathology procedure; physician interpretation and report | Billing code | G0452 |
466 |
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.
Other pathology specialists at this location 2
Same specialty, same street address — most likely the same department or group.
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 pathology specialists in New York 6
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Columbia University College of Physicians and Surgeons 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at Columbia University College of Physicians and Surgeons 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.