Dr. Dennis M. Mattei, MD
- Medicare services, 2024
- 1,940
- Medicare patients, 2024
- 399
- Part D claims, 2024
- 9,287
- Hospital affiliations
- 4
- Medical group
- 1
- Practice address
- 100 North Academy Avenue, Danville, PA 17822
- Practice phone
- Call (570) 271-6211
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mattei'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. Dennis M. Mattei is an internist in Danville, Pennsylvania
Dr. Mattei practices at Geisinger Medical Center in Danville, Pennsylvania, part of Risant Health.
Dr. Mattei's NPI, 1366404048, was assigned on April 6, 2006. Dr. Mattei graduated from Temple University School of Medicine in 1985. Dr. Mattei holds Pennsylvania license MD040918E.
- NPI
- 1366404048NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901862531
- NPI enumeration date
- April 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (570) 271-6211
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dennis M. Mattei practices at Geisinger Medical Center in Danville, Pennsylvania
Dr. Mattei's primary practice is Geisinger Medical Center, at 100 North Academy Avenue, Danville, PA 17822 in Montour County. The practice phone is (570) 271-6211.
- Geisinger Medical Center100 North Academy Avenue, Danville, PA 17822 · Montour CountyPhone(570) 271-6211
Source: Dmand AI Affiliation Data
Dr. Dennis M. Mattei is affiliated with 11 sites of care and 1 medical group
Dr. Mattei's primary practice is Geisinger Medical Center in Danville, Pennsylvania, part of Risant Health. Dr. Mattei is also affiliated with Geisinger Wyoming Valley Medical Center. The medical group on file is Geisinger. Dmand AI also links Dr. Mattei to 2 more hospitals, 5 home health agencies, 1 group practice or clinic and 1 hospice, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Dennis M. Mattei's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mattei practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Geisinger Medical Center | Available with a free account |
| +10 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Dennis M. Mattei is one of 5,665 internists in Pennsylvania
Internal medicine is Dr. Mattei's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Mattei is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. Mattei
Counts of internists 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. Dennis M. Mattei billed Medicare for 1,940 services in 2024
CMS data shows 1,940 Medicare services from Dr. Mattei across 16 procedure codes in 2024, for 399 Medicare patients. Medicare paid $70,253 for them. Every service was in an office.
Dr. Mattei's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6582024: 6491%
- Other services
- 2023: 972024: 547464%
- Tests and treatments
- 2023: 3262024: 47646%
- Lab and pathology
- 2023: 02024: 212
- Drugs given in the office
- 2023: 2002024: 5672%
Dr. Mattei compared with the Pennsylvania median for internists, 2024
- Dr. Mattei
- Pennsylvania median
- Medicare services
- 1,940vs 4174.7 times
- Medicare patients
- 399vs 1852.2 times
- Part D claims
- 8,495vs 22437.9 times
Medians across 5,518 internists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Mattei'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dennis M. Mattei treated 399 Medicare patients in 2024, average age 72
CMS counts 399 Medicare patients who saw Dr. Mattei in 2024. The largest group is 65 to 74, with 193 patients. 66% of them have high blood pressure, and 66% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mattei's median patient age at 68, with 52% women.
Dr. Mattei's Medicare patients by age, 2024
Dr. Mattei's Medicare patients by sex, 2024
- Women19248%
- Men20752%
Chronic conditions among Dr. Mattei's Medicare patients, 2024
- High blood pressure66%
- High cholesterol66%
- Diabetes34%
- Arthritis30%
- Chronic kidney disease25%
- Ischemic heart disease25%
- Atrial fibrillation21%
- Mood disorders21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mattei's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dennis M. Mattei wrote 9,287 Medicare Part D claims in 2024
In 2024, Dr. Mattei wrote 9,287 Medicare Part D claims for 699 patients. 86% of them were for generic drugs. CMS names the drug for 8,495 of them, across 135 drugs with 11 or more claims each, at $843,630 in total drug cost. In 2023, CMS named 8,950 claims across 150 drugs.
Dr. Mattei's Part D claims by kind of drug, 2024
- Generic7,967 claims86%
- Brand-name1,231 claims13%
- Other89 claims1%
Dr. Mattei'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. Mattei's Part D claims, 2024
- Opioids3%256 of 9,287 claims
- Antibiotics2%189 of 9,287 claims
- Antipsychotics, patients 65 and over1%48 of 9,287 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: 8,9502024: 8,4955%
Drugs named by CMS: 135 in 2024, 150 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
Dr. Dennis M. Mattei offers telehealth to Medicare patients
Dr. Mattei accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mattei as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Dennis M. Mattei graduated from Temple University School of Medicine
Dr. Mattei graduated from Temple University School of Medicine in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Dennis M. Mattei'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| 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. Dennis M. Mattei
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. Dennis M. Mattei's NPI number?
Dr. Dennis M. Mattei's NPI number is 1366404048. It was assigned on April 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Dennis M. Mattei?
Dr. Dennis M. Mattei is an internist in Danville, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Dennis M. Mattei practice?
Dr. Mattei practices at 100 North Academy Avenue, Danville, PA 17822. Dr. Mattei's primary practice is Geisinger Medical Center in Danville, Pennsylvania, part of Risant Health. Dmand AI also links Dr. Mattei to 2 hospitals, 5 home health agencies, 1 group practice or clinic and 1 hospice.
What is Dr. Dennis M. Mattei's office phone number?
The practice phone on file for Dr. Mattei is (570) 271-6211.
What is Dr. Dennis M. Mattei's medical license number?
Dr. Mattei holds Pennsylvania license MD040918E.
Which hospitals is Dr. Dennis M. Mattei affiliated with?
Dr. Mattei practices at Geisinger Medical Center in Danville, Pennsylvania. Dr. Mattei is also affiliated with Geisinger Wyoming Valley Medical Center. Dmand AI links Dr. Mattei to 2 more hospitals.
What medical group is Dr. Dennis M. Mattei part of?
Dr. Mattei is linked to Geisinger.
Does Dr. Dennis M. Mattei accept Medicare?
Yes. CMS data shows Dr. Mattei billed Medicare for 1,940 services in 2024, and Dr. Mattei accepts Medicare assignment.
Does Dr. Dennis M. Mattei offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Mattei as offering telehealth services.
How many Medicare patients does Dr. Dennis M. Mattei see?
CMS counts 399 Medicare patients who saw Dr. Mattei in 2024, with an average age of 72.
Show 4 more questionsShow fewer questions
What services does Dr. Dennis M. Mattei bill to Medicare?
In 2024, Dr. Mattei's most billed Medicare services were medicare service (G2211), office visit, established patient (99215) and heart test or procedure (93793).
Where did Dr. Dennis M. Mattei go to medical school?
Dr. Mattei graduated from Temple University School of Medicine in 1985.
What drugs does Dr. Dennis M. Mattei prescribe most?
In 2024 Medicare Part D data, Dr. Mattei's most prescribed drugs by claims were Atorvastatin Calcium, Omeprazole and Levothyroxine Sodium.
How long has Dr. Dennis M. Mattei been practicing?
Dr. Mattei graduated from medical school in 1985, 41 years ago.
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