Physician Profile
Unclaimed ProfileAbout FREIBERG
Mark Roger Freiberg, M.D. is a healthcare provider in Saint Paul, MN specializing in pulmonary disease. Mark trained at University of Minnesota Medical School, graduating in 1987. Mark is also listed as specializing in critical care medicine. According to Medicare claims data, Mark cared for 144 Medicare patients across 169 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (651) 726-6200
- Email not available
Practice Locations
255 SMITH AVE N SUITE 300
Saint Paul, MN 55102
Procedures Most Often Billed to Medicare
169 services · 144 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Sleep study in sleep lab (6 years or older) | Treatment | 95810 |
16 |
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | Treatment | 95811 |
13 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
57 |
| 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 | Billing code | G0399 |
30 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
21 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
18 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
14 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other pulmonary diseases at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other pulmonary diseases in Saint Paul 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Minnesota Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at University of Minnesota Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Sleep study in sleep lab (6 years or older) 8
Providers in MN who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Freiberg?
Dr. Freiberg is a pulmonary disease in Saint Paul, MN. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PULMONARY DISEASE”.
NPI registry
What is Dr. Freiberg's address?
Dr. Freiberg is listed at 255 SMITH AVE N SUITE 300, Saint Paul, MN 55102. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Freiberg?
The number on file is (651) 726-6200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Freiberg's NPI number?
Dr. Freiberg's National Provider Identifier is 1770536450. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Freiberg train?
Dr. Freiberg attended University of Minnesota Medical School, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Freiberg been practicing?
Dr. Freiberg has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Freiberg perform?
According to Medicare billing data, Dr. Freiberg provides treatments such as sleep study in sleep lab and sleep study in sleep lab with continuous airway pressure, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Freiberg confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Freiberg. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.