Doctor profile · Federal record
Dr. Mark Ewalt, M.D.
Molecular Genetic Pathology (Pathology) Physician (CMS: Pathology) · Cytopathology Physician · Hematology (Pathology) Physician · Hematology (Pathology) Physician · New York, NY
- NPI 1497998512
- Accepts Medicare
- MIPS 74.5 / 100 · 2023
- 17 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
1275 York Avenue, Dept of Pathology, Box #36
New York, NY 10065
(212) 639-8137 - Additional location
-
12605 E 16Th Ave
Aurora, CO 800452545
(720) 848-0000 - Additional location
-
8700 Beverly Blvd, Spt Room 4703
West Hollywood, CA 900481804
(310) 423-4551
Credentials & registration
- NPI registered
- April 2009 — 17 yrs on file
- Profile last updated
- August 25, 2021
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207ZP0007X — NUCC code
- State licenses (2)
- Colorado #DR.0058760 · California #A121762
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1497998512. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,010
Distinct HCPCS
2
Medicare allowed
$42,866
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88291 |
Interpretation and report of genetic testing | 589 | 492 | $36 | |
G0452 |
Molecular pathology procedure; physician interpretation and report | 421 | 370 | $51 |
In context: peer comparison
Among 6 peers in New York Molecular Genetic Pathology (Pathology) Physician, average services per provider: 238. This provider delivers 4.2× the peer median.Frequently asked questions
What is Dr. Mark Ewalt's medical specialty?
Dr. Mark Ewalt practices Molecular Genetic Pathology (Pathology) Physician in New York, NY.
Where does Dr. Mark Ewalt practice?
Dr. Mark Ewalt practices at 1275 York Avenue, New York, NY 10065. Office phone: 2126398137.
What is Dr. Mark Ewalt's NPI?
Dr. Mark Ewalt's National Provider Identifier (NPI) is 1497998512, issued by NPPES.
Does Dr. Mark Ewalt accept Medicare assignment?
Yes. Dr. Mark Ewalt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Ewalt commonly perform?
Top Medicare-reported procedures in 2023: Interpretation and report of genetic testing (HCPCS 88291); Molecular pathology procedure; physician interpretation and report (HCPCS G0452). Source: CMS Medicare Physician & Other Practitioners file.