Dr. Gregory A. Ruff, MD
- Medicare services, 2024
- 631
- Medicare patients, 2024
- 341
- Part D claims, 2024
- 1,030
- Hospital affiliations
- 2
- Industry payments
- $7,967
- Practice address
- 1850 E Park Ave, State College, PA 16803
- Practice phone
- Call (814) 234-6750
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mount Nittany Park Avenue Building
State College, Pennsylvania
Find Dr. Ruff's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gregory A. Ruff is a pulmonologist in State College, Pennsylvania
Dr. Ruff practices at Mount Nittany Park Avenue Building in State College, Pennsylvania.
Dr. Ruff's NPI, 1548249642, was assigned on January 17, 2006. Dr. Ruff graduated from Pennsylvania State University College of Medicine in 1993. Dr. Ruff holds Pennsylvania license MD467806.
- NPI
- 1548249642NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082789599
- NPI enumeration date
- January 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (814) 234-6750
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory A. Ruff practices at Mount Nittany Park Avenue Building in State College, Pennsylvania
Dr. Ruff's primary practice is Mount Nittany Park Avenue Building, at 1850 E Park Ave, State College, PA 16803 in Centre County. The practice phone is (814) 234-6750.
- Mount Nittany Park Avenue Building1850 E Park Ave, State College, PA 16803 · Centre CountyPhone(814) 234-6750
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gregory A. Ruff is affiliated with 4 sites of care and 1 medical group
Dr. Ruff's primary practice is Mount Nittany Park Avenue Building in State College, Pennsylvania. Dr. Ruff is also affiliated with Mount Nittany Medical Center. The medical group on file is Mount Nittany Physician Group. Dmand AI also links Dr. Ruff to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gregory A. Ruff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ruff practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mount Nittany Park Avenue Building | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory A. Ruff is one of 650 pulmonologists in Pennsylvania
Pulmonary disease is Dr. Ruff's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Ruff is licensed in Pennsylvania.
Specialties and state licenses
- Pulmonary disease, PennsylvaniaPrimary
Pulmonologists near Dr. Ruff
Counts of pulmonologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory A. Ruff billed Medicare for 631 services in 2024
CMS data shows 631 Medicare services from Dr. Ruff across 15 procedure codes in 2024, for 341 Medicare patients. Medicare paid $41,961 for them.
Dr. Ruff's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4732024: 41712%
- Tests and treatments
- 2023: 3132024: 21432%
Where Dr. Ruff's Medicare services took place, 2024
- In an office34955%
- In a facility28245%
Dr. Ruff compared with the Pennsylvania median for pulmonologists, 2024
- Dr. Ruff
- Pennsylvania median
- Medicare services
- 631vs 615Close to median
- Medicare patients
- 341vs 29516% above
- Part D claims
- 872vs 62639% above
Medians across 656 pulmonologists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Ruff's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ruff and other pulmonologists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory A. Ruff treated 341 Medicare patients in 2024, average age 74
CMS counts 341 Medicare patients who saw Dr. Ruff in 2024. The largest group is 65 to 74, with 143 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.79, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ruff's median patient age at 67, with 41% women.
Dr. Ruff's Medicare patients by age, 2024
Dr. Ruff's Medicare patients by sex, 2024
- Women17250%
- Men16950%
Chronic conditions among Dr. Ruff's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- COPD44%
- Arthritis42%
- Ischemic heart disease39%
- Anxiety36%
- Diabetes34%
- Chronic kidney disease33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ruff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women41%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory A. Ruff wrote 1,030 Medicare Part D claims in 2024
In 2024, Dr. Ruff wrote 1,030 Medicare Part D claims for 207 patients. 39% of them were for generic drugs. CMS names the drug for 872 of them, across 20 drugs with 11 or more claims each, at $515,349 in total drug cost. In 2023, CMS named 873 claims across 24 drugs.
Dr. Ruff's Part D claims by kind of drug, 2024
- Generic402 claims39%
- Brand-name628 claims61%
Dr. Ruff's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Ruff's Part D claims, 2024
- Antibiotics11%116 of 1,030 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 8732024: 872No change
Drugs named by CMS: 20 in 2024, 24 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Gregory A. Ruff takes part in Medicare
Dr. Ruff accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gregory A. Ruff received $7,967 in industry payments from 2016 to 2025
CMS Open Payments shows 170 general payments to Dr. Ruff from 32 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 38% of the total. Noah Medical Corporation paid the most, $5,296.
General payments to Dr. Ruff by program year, 2016 to 2025
General payments to Dr. Ruff by kind, 2016 to 2025
- Travel and lodging$3,06238%
- Food and beverage$2,76435%
- Consulting fees$2,10026%
- Education$411%
Companies that paid Dr. Ruff the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory A. Ruff graduated from Pennsylvania State University College of Medicine
Dr. Ruff graduated from Pennsylvania State University College of Medicine in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory A. Ruff's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory A. Ruff
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gregory A. Ruff's NPI number?
Dr. Gregory A. Ruff's NPI number is 1548249642. It was assigned on January 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory A. Ruff?
Dr. Gregory A. Ruff is a pulmonologist in State College, Pennsylvania. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Gregory A. Ruff practice?
Dr. Ruff practices at 1850 E Park Ave, State College, PA 16803. Dr. Ruff's primary practice is Mount Nittany Park Avenue Building in State College, Pennsylvania. Dmand AI also links Dr. Ruff to 1 hospital and 1 group practice or clinic.
What is Dr. Gregory A. Ruff's office phone number?
The practice phone on file for Dr. Ruff is (814) 234-6750.
What is Dr. Gregory A. Ruff's medical license number?
Dr. Ruff holds Pennsylvania license MD467806.
Which hospitals is Dr. Gregory A. Ruff affiliated with?
Dr. Ruff is affiliated with Mount Nittany Medical Center. Dmand AI links Dr. Ruff to 1 more hospital.
What medical group is Dr. Gregory A. Ruff part of?
Dr. Ruff is linked to Mount Nittany Physician Group.
Does Dr. Gregory A. Ruff accept Medicare?
Yes. CMS data shows Dr. Ruff billed Medicare for 631 services in 2024, and Dr. Ruff accepts Medicare assignment.
How many Medicare patients does Dr. Gregory A. Ruff see?
CMS counts 341 Medicare patients who saw Dr. Ruff in 2024, with an average age of 74.
What services does Dr. Gregory A. Ruff bill to Medicare?
In 2024, Dr. Ruff's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and hospital inpatient care (99232).
Show 4 more questionsShow fewer questions
Where did Dr. Gregory A. Ruff go to medical school?
Dr. Ruff graduated from Pennsylvania State University College of Medicine in 1993.
What drugs does Dr. Gregory A. Ruff prescribe most?
In 2024 Medicare Part D data, Dr. Ruff's most prescribed drugs by claims were Anoro Ellipta, Trelegy Ellipta and Azithromycin.
Has Dr. Gregory A. Ruff received payments from drug or device companies?
CMS Open Payments shows $7,967 in general payments to Dr. Ruff from 32 companies from 2016 to 2025. The largest total came from Noah Medical Corporation.
How long has Dr. Gregory A. Ruff been practicing?
Dr. Ruff graduated from medical school in 1993, 33 years ago.
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