Doctor profile · Federal record
Dr. Christian Merlo, M.D.
Pulmonary Disease Physician (CMS: Critical Care (Intensivists)) · Critical Care Medicine (Internal Medicine) Physician · Baltimore, MD
- NPI 1538118393
- MIPS 74.4 / 100 · 2023
- 30 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
600 N Wolfe St
Baltimore, MD 212870005
(410) 550-5864 - Mailing address
-
6201 Greenleigh Ave
Baltimore, MD 212202004
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- November 14, 2025
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State license (1)
- Maryland #D0061725
- Medicaid
- MD #404982900
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538118393. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
519
Distinct HCPCS
8
Medicare allowed
$59,632
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 261 | 59 | $84 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 106 | 46 | $150 | |
99291 |
Critical care, first 30-74 minutes | 37 | 19 | $222 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 35 | 23 | $126 | |
G2212 |
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 22 | 15 | $33 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 20 | 16 | $100 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 20 | 13 | $160 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 18 | 18 | $184 |
In context: peer comparison
Among 44 peers in Baltimore Pulmonary Disease Physician, average services per provider: 71. This provider delivers 7.3× the peer median.Open Payments
Industry payments received
All-time total
$245
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Ambu INC. | 2 | $245.33 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
116
Patients
23
Total drug cost
$2,396,053
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trikafta (Elexacaftor/Tezacaftor/Ivacaft) | Brand | 69 | 11 | $2,231,757 |
| Azithromycin | Generic | 30 | 12 | $1,138 |
| Creon (Lipase/Protease/Amylase) | Brand | 17 | 0 | $163,158 |
Hospital affiliations
Frequently asked questions
What is Dr. Christian Merlo's medical specialty?
Dr. Christian Merlo practices Pulmonary Disease Physician in Baltimore, MD.
Where does Dr. Christian Merlo practice?
Dr. Christian Merlo practices at 600 N Wolfe St, Baltimore, MD 212870005. Office phone: 4105505864.
What is Dr. Christian Merlo's NPI?
Dr. Christian Merlo's National Provider Identifier (NPI) is 1538118393, issued by NPPES.
Does Dr. Christian Merlo accept Medicare assignment?
Dr. Christian Merlo does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Christian Merlo commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99215); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.