Doctor profile · Federal record
Dr. Mariella Osariemen, M.D.
Hospitalist Physician (CMS: Hospitalist) · Hospitalist Physician · New York, NY
- NPI 1477915833
- Accepts Medicare
- MIPS 93.4 / 100 · 2023
- 10 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5141 Broadway
New York, NY 100341159
(212) 932-5218
fax (212) 932-5258 - Mailing address
-
630 W 168Th St # 4
New York, NY 100323725
Credentials & registration
- NPI registered
- March 2016 — 10 yrs on file
- Profile last updated
- April 9, 2026
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State licenses (2)
- New York #298577 · Georgia #110150
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1477915833. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
437
Distinct HCPCS
4
Medicare allowed
$53,319
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 186 | 78 | $90 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 182 | 79 | $136 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 36 | 36 | $149 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 33 | 32 | $198 |
In context: peer comparison
Among 190 peers in this city , average services per provider: 97. This provider delivers 4.5× the peer median.Open Payments
Industry payments received
All-time total
$23
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| iRhythm Technologies, Inc. | 1 | $23.31 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Mariella Osariemen's medical specialty?
Dr. Mariella Osariemen practices Hospitalist Physician in New York, NY.
Where does Dr. Mariella Osariemen practice?
Dr. Mariella Osariemen practices at 5141 Broadway, New York, NY 100341159. Office phone: 2129325218.
What is Dr. Mariella Osariemen's NPI?
Dr. Mariella Osariemen's National Provider Identifier (NPI) is 1477915833, issued by NPPES.
Does Dr. Mariella Osariemen accept Medicare assignment?
Yes. Dr. Mariella Osariemen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mariella Osariemen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.