Doctor profile · Federal record
Dr. Mark Freiberg, M.D.
Critical Care Medicine (Internal Medicine) Physician (CMS: Pulmonary Disease) · Pulmonary Disease Physician · Saint Paul, MN
- NPI 1770536450
- Accepts Medicare
- MIPS 83.5 / 100 · 2023
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
255 Smith Ave N, Suite 300
Saint Paul, MN 551022572
(651) 726-6200
fax (651) 726-6201
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- November 10, 2020
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207RC0200X — NUCC code
- State license (1)
- Minnesota #32862
- Medicaid
- MN #192598900
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1770536450. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
249
Distinct HCPCS
8
Medicare allowed
$35,238
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 97 | 52 | $204 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 28 | 23 | $126 | |
G0399 |
Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation | 26 | 25 | $44 | |
95810 |
Sleep study in sleep lab (6 years or older) | 25 | 25 | $115 | |
99292 |
Critical care, each additional 30 minutes | 24 | 14 | $102 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 22 | 19 | $115 | |
95811 |
Sleep study in sleep lab with continuous airway pressure (6 years or older) | 15 | 15 | $120 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 12 | 11 | $89 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 42. This provider delivers 5.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
76
Patients
0
Total drug cost
$17,372
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ventolin Hfa (Albuterol Sulfate) | Brand | 20 | 0 | $1,245 |
| Prednisone | Generic | 16 | 0 | $105 |
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 15 | 0 | $15,466 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 13 | 0 | $439 |
| Fluticasone Propionate | Generic | 12 | 0 | $117 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Freiberg's medical specialty?
Dr. Mark Freiberg practices Critical Care Medicine (Internal Medicine) Physician in Saint Paul, MN.
Where does Dr. Mark Freiberg practice?
Dr. Mark Freiberg practices at 255 Smith Ave N, Saint Paul, MN 551022572. Office phone: 6517266200.
What is Dr. Mark Freiberg's NPI?
Dr. Mark Freiberg's National Provider Identifier (NPI) is 1770536450, issued by NPPES.
Does Dr. Mark Freiberg accept Medicare assignment?
Yes. Dr. Mark Freiberg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Freiberg commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Established patient office or other outpatient visit (HCPCS 99214); Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation (HCPCS G0399). Source: CMS Medicare Physician & Other Practitioners file.