Doctor profile · Federal record
Dr. Meghan Marmillion, MD
Hospitalist Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Baltimore, MD
- NPI 1427347699
- Accepts Medicare
- 15 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
22 S Greene St
Baltimore, MD 212011544
(410) 328-7605
fax (410) 328-7607 - Mailing address
-
Po Box 64442
Baltimore, MD 212644442
Credentials & registration
- NPI registered
- March 2011 — 15 yrs on file
- Profile last updated
- September 9, 2014
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- Maryland #D78056
- Medicaid
- MD #494902100
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427347699. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
359
Distinct HCPCS
5
Medicare allowed
$39,786
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 162 | 79 | $84 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 148 | 68 | $126 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 22 | 22 | $184 | |
99239 |
Hospital discharge day management, more than 30 minutes | 16 | 16 | $122 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 11 | 11 | $138 |
In context: peer comparison
Among 51 peers in this city , average services per provider: 125. This provider delivers 2.9× the peer median.Frequently asked questions
What is Dr. Meghan Marmillion's medical specialty?
Dr. Meghan Marmillion practices Hospitalist Physician in Baltimore, MD.
Where does Dr. Meghan Marmillion practice?
Dr. Meghan Marmillion practices at 22 S Greene St, Baltimore, MD 212011544. Office phone: 4103287605.
What is Dr. Meghan Marmillion's NPI?
Dr. Meghan Marmillion's National Provider Identifier (NPI) is 1427347699, issued by NPPES.
Does Dr. Meghan Marmillion accept Medicare assignment?
Yes. Dr. Meghan Marmillion accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Meghan Marmillion 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 moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.