Dr. James M. Mason, MD
- Medicare services, 2024
- 254
- Medicare patients, 2024
- 61
- Part D claims, 2024
- 8,383
- Hospital affiliations
- 1
- Industry payments
- $289
- Practice address
- 601 Elmwood Ave, Rochester, NY 14642
- Practice phone
- Call (585) 275-2121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mason's professional email, personal email and mobile number
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Dr. James M. Mason is an internist in Rochester, New York
Dr. Mason practices at Strong Memorial Hospital in Rochester, New York, part of University of Rochester Medical Center.
Dr. Mason's NPI, 1346277050, was assigned on June 27, 2006. Dr. Mason graduated from Georgetown University School Of Medicine in 1988. Dr. Mason holds New York license 179303.
- NPI
- 1346277050NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597894972
- NPI enumeration date
- June 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (585) 275-2121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James M. Mason practices at Strong Memorial Hospital in Rochester, New York
Dr. Mason's primary practice is Strong Memorial Hospital, at 601 Elmwood Ave, Rochester, NY 14642 in Monroe County. The practice phone is (585) 275-2121.
- Strong Memorial Hospital601 Elmwood Ave, Rochester, NY 14642 · Monroe CountyPhone(585) 275-2121
Source: Dmand AI Affiliation Data
Dr. James M. Mason is affiliated with 2 sites of care and 1 medical group
Dr. Mason's primary practice is Strong Memorial Hospital in Rochester, New York, part of University of Rochester Medical Center. The medical group on file is University of Rochester Medical Faculty Group (URMFG). Dmand AI also links Dr. Mason to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James M. Mason's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mason practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Strong Memorial Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James M. Mason is one of 9,643 internists in New York
Internal medicine is Dr. Mason's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Mason is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Mason
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. James M. Mason billed Medicare for 254 services in 2024
CMS data shows 254 Medicare services from Dr. Mason across 5 procedure codes in 2024, for 61 Medicare patients. Medicare paid $12,068 for them. Every service was in an office.
Dr. Mason's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1412024: 12213%
- Other services
- 2023: 382024: 105176%
- Tests and treatments
- 2023: 322024: 2716%
Dr. Mason compared with the New York median for internists, 2024
- Dr. Mason
- New York median
- Medicare services
- 254vs 42640% below
- Medicare patients
- 61vs 15861% below
- Part D claims
- 7,743vs 62212.4 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Mason'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. James M. Mason treated 61 Medicare patients in 2024, average age 76
CMS counts 61 Medicare patients who saw Dr. Mason in 2024. The largest group is 65 to 74, with 26 patients. 64% of them have high blood pressure, and 57% have high cholesterol. Their average risk score is 0.82, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mason's median patient age at 66, with 43% women.
Dr. Mason's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Mason's Medicare patients by sex, 2024
- Women2744%
- Men3456%
Chronic conditions among Dr. Mason's Medicare patients, 2024
- High blood pressure64%
- High cholesterol57%
- Arthritis34%
- Cancer21%
- Atrial fibrillation20%
- Diabetes18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mason's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women43%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James M. Mason wrote 8,383 Medicare Part D claims in 2024
In 2024, Dr. Mason wrote 8,383 Medicare Part D claims for 786 patients. 92% of them were for generic drugs. CMS names the drug for 7,743 of them, across 121 drugs with 11 or more claims each, at $417,837 in total drug cost. In 2023, CMS named 7,360 claims across 116 drugs.
Dr. Mason's Part D claims by kind of drug, 2024
- Generic7,673 claims92%
- Brand-name676 claims8%
- Other34 claims0%
Dr. Mason'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. Mason's Part D claims, 2024
- Opioids2%175 of 8,383 claims
- Antibiotics4%329 of 8,383 claims
- Antipsychotics, patients 65 and over0%15 of 8,383 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: 7,3602024: 7,7435%
Drugs named by CMS: 121 in 2024, 116 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. James M. Mason offers telehealth to Medicare patients
Dr. Mason accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mason as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. James M. Mason received $289 in industry payments from 2016 to 2019
CMS Open Payments shows 11 general payments to Dr. Mason from 2 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $170.
General payments to Dr. Mason by program year, 2016 to 2019
Companies that paid Dr. Mason the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James M. Mason graduated from Georgetown University School Of Medicine
Dr. Mason graduated from Georgetown University School Of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James M. Mason'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) |
| 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. James M. Mason
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. James M. Mason's NPI number?
Dr. James M. Mason's NPI number is 1346277050. It was assigned on June 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James M. Mason?
Dr. James M. Mason is an internist in Rochester, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. James M. Mason practice?
Dr. Mason practices at 601 Elmwood Ave, Rochester, NY 14642. Dr. Mason's primary practice is Strong Memorial Hospital in Rochester, New York, part of University of Rochester Medical Center. Dmand AI also links Dr. Mason to 1 group practice or clinic.
What is Dr. James M. Mason's office phone number?
The practice phone on file for Dr. Mason is (585) 275-2121.
What is Dr. James M. Mason's medical license number?
Dr. Mason holds New York license 179303.
Which hospitals is Dr. James M. Mason affiliated with?
Dr. Mason practices at Strong Memorial Hospital in Rochester, New York.
What medical group is Dr. James M. Mason part of?
Dr. Mason is linked to University of Rochester Medical Faculty Group (URMFG).
Does Dr. James M. Mason accept Medicare?
Yes. CMS data shows Dr. Mason billed Medicare for 254 services in 2024, and Dr. Mason accepts Medicare assignment.
Does Dr. James M. Mason offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Mason as offering telehealth services.
How many Medicare patients does Dr. James M. Mason see?
CMS counts 61 Medicare patients who saw Dr. Mason in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. James M. Mason bill to Medicare?
In 2024, Dr. Mason's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).
Where did Dr. James M. Mason go to medical school?
Dr. Mason graduated from Georgetown University School Of Medicine in 1988.
What drugs does Dr. James M. Mason prescribe most?
In 2024 Medicare Part D data, Dr. Mason's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Lisinopril.
Has Dr. James M. Mason received payments from drug or device companies?
CMS Open Payments shows $289 in general payments to Dr. Mason from 2 companies from 2016 to 2019. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. James M. Mason been practicing?
Dr. Mason graduated from medical school in 1988, 38 years ago.
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