Physician Profile
Unclaimed ProfileAbout RUFF
Gregory A Ruff, M.D. is a healthcare provider in State College, PA specialising in pulmonary disease. Gregory trained at Pennsylvania State University College of Medicine, graduating in 1993. Gregory is also listed as specialising in critical care medicine and sleep medicine.
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
Common questions
What is Dr. Ruff's specialty?
Dr. Ruff is a pulmonary disease in State College, PA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PULMONARY DISEASE”.
NPI registry
Where can I find Dr. Ruff?
Dr. Ruff is listed at 1850 E PARK AVE STE 201, State College, PA 16803. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Ruff?
The number on file is (844) 278-4600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Ruff's NPI number?
Dr. Ruff's National Provider Identifier is 1548249642. 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
What is Dr. Ruff's medical education?
Dr. Ruff attended Pennsylvania State University College of Medicine, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Ruff been practising?
Dr. Ruff has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Ruff known for?
According to Medicare billing data, Dr. Ruff provides treatments such as test to examine how well the lungs exchange gases and test to determine lung volumes using sensors, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Ruff confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ruff. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (844) 278-4600
- Email not available
Practice Locations
1850 E PARK AVE STE 201
State College, PA 16803
Procedures Most Often Billed to Medicare
631 services · 563 patients · 18 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
31 |
| Test to determine lung volumes using sensors | Treatment | 94726 |
31 |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
26 |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
23 |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
21 |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
20 |
| Test to determine lung volumes using sensors | Treatment | 94726 |
20 |
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | Treatment | 95811 |
16 |
| Sleep study in sleep lab (6 years or older) | Treatment | 95810 |
15 |
| Sleep study including heart rate, breathing, airflow, and effort | Treatment | 95806 |
11 |
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 1
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 State College 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Pennsylvania State University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1993 at Pennsylvania State University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Test to examine how well the lungs exchange gases 8
Providers in PA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.