Doctor profile · Federal record
Dr. Mary Chellis, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Dayton, OH
- NPI 1255422440
- Accepts Medicare
- 34 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Wyoming St
Dayton, OH 454092722
(513) 281-4400
fax (513) 587-8213 - Mailing address
-
2950 Robertson Ave
Cincinnati, OH 452091268
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- January 30, 2014
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Ohio #35-065319
- Medicaid
- OH #0945320
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255422440. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
213
Distinct HCPCS
3
Medicare allowed
$32,417
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 145 | 143 | $172 | |
99284 |
Emergency department visit with moderate level of medical decision making | 55 | 54 | $118 | |
99283 |
Emergency department visit with low level of medical decision making | 13 | 13 | $71 |
In context: peer comparison
Among 46 peers in Dayton Emergency Medicine Physician, average services per provider: 78. This provider delivers 2.7× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Mary Chellis's medical specialty?
Dr. Mary Chellis practices Emergency Medicine Physician in Dayton, OH.
Where does Dr. Mary Chellis practice?
Dr. Mary Chellis practices at 1 Wyoming St, Dayton, OH 454092722. Office phone: 5132814400.
What is Dr. Mary Chellis's NPI?
Dr. Mary Chellis's National Provider Identifier (NPI) is 1255422440, issued by NPPES.
Does Dr. Mary Chellis accept Medicare assignment?
Yes. Dr. Mary Chellis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Chellis commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.