Gregory Ruff, M.D.
NPI 1548249642 · Pulmonary Disease Physician · State College, PA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Ruff, M.D. is a Pulmonary Disease Physician provider in State College, PA (NPI 1548249642).
Provider details
- NPI number
- 1548249642
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD467806 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
631 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 122 | $84 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 90 | $118 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 62 | $75 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 41 | $112 |
| Test to Determine Lung Volumes Using Sensors94726 | 31 | $48 |
| Test to Examine How Well the Lungs Exchange Gases94729 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 117 | 37 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 107 | 30 |
| Azithromycin | 101 | 27 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 91 | 46 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 59 | 12 |
| Tiotropium Bromidebrand: Spiriva Respimat | 50 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,422 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-17
- Last updated
- 2019-07-12
Frequently asked questions
- What is Gregory Ruff's NPI number?
- Gregory Ruff's National Provider Identifier (NPI) is 1548249642, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Ruff's specialty?
- Gregory Ruff is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Ruff located?
- Gregory Ruff's practice location on file with NPPES is 1850 E Park Ave Ste 201, State College, PA 16803-6706.
- What is Gregory Ruff's phone number?
- The practice phone number listed in the NPPES registry for Gregory Ruff is (844) 278-4600.
- Does Gregory Ruff accept Medicare?
- Gregory Ruff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Ruff's NPI active?
- Yes — Gregory Ruff's NPI (1548249642) is active in the NPPES registry as of the last update on 2019-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.