Dr. James M. Patterson, MD
- Medicare services, 2024
- 1,386
- Medicare patients, 2024
- 396
- Part D claims, 2024
- 487
- MIPS score, 2024
- 85
- Hospital affiliations
- 4
- Practice address
- 440 E Marshall St, West Chester, PA 19380
- Practice phone
- Call (215) 615-5858
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Perelman Center for Advanced Medicine
West Chester, Pennsylvania
Find Dr. Patterson'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. James M. Patterson is a hematologist and oncologist in West Chester, Pennsylvania
Dr. Patterson practices at Perelman Center for Advanced Medicine in West Chester, Pennsylvania.
Dr. Patterson's NPI, 1972600708, was assigned on September 20, 2006. Dr. Patterson graduated from Eastern Virginia Medical School in 1994. Dr. Patterson holds Pennsylvania license MD059922L.
- NPI
- 1972600708NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749319655
- NPI enumeration date
- September 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (215) 615-5858
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James M. Patterson practices at Perelman Center for Advanced Medicine in West Chester, Pennsylvania
Dr. Patterson's primary practice is Perelman Center for Advanced Medicine, at 440 E Marshall St, West Chester, PA 19380 in Chester County. The practice phone is (215) 615-5858.
- Perelman Center for Advanced Medicine440 E Marshall St, West Chester, PA 19380 · Chester CountyPhone(215) 615-5858
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. James M. Patterson is affiliated with 7 sites of care and 2 medical groups
Dr. Patterson's primary practice is Perelman Center for Advanced Medicine in West Chester, Pennsylvania. Dr. Patterson is also affiliated with Chester County Hospital. The medical group on file is Penn Medicine Lancaster General Health. Dmand AI also links Dr. Patterson to 3 more hospitals, 2 group practices and clinics and 1 medical group, 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. James M. Patterson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Patterson practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Perelman Center for Advanced Medicine | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James M. Patterson is one of 645 hematologists and oncologists in Pennsylvania
Hematology and oncology is Dr. Patterson's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Patterson is licensed in Pennsylvania.
Specialties and state licenses
- Hematology and oncology, PennsylvaniaPrimary
Hematologists and oncologists near Dr. Patterson
Counts of hematologists and oncologists 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. Patterson billed Medicare for 1,386 services in 2024
CMS data shows 1,386 Medicare services from Dr. Patterson across 7 procedure codes in 2024, for 396 Medicare patients. Medicare paid $80,856 for them.
Dr. Patterson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8892024: 78612%
- Other services
- 2023: 02024: 600
Where Dr. Patterson's Medicare services took place, 2024
- In an office1,06677%
- In a facility32023%
Dr. Patterson compared with the Pennsylvania median for hematologists and oncologists, 2024
- Dr. Patterson
- Pennsylvania median
- Medicare services
- 1,386vs 6542.1 times
- Medicare patients
- 396vs 22774% above
- Part D claims
- 372vs 3935% below
Medians across 600 hematologists and oncologists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Patterson'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. Patterson and other hematologists and oncologists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James M. Patterson treated 396 Medicare patients in 2024, average age 75
CMS counts 396 Medicare patients who saw Dr. Patterson in 2024. The largest group is 65 to 74, with 176 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.94, 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. Patterson's median patient age at 74, with 41% women.
Dr. Patterson's Medicare patients by age, 2024
Dr. Patterson's Medicare patients by sex, 2024
- Women15138%
- Men24562%
Chronic conditions among Dr. Patterson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease44%
- Arthritis39%
- Cancer34%
- Chronic kidney disease32%
- Diabetes29%
- Anxiety28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Patterson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
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. James M. Patterson wrote 487 Medicare Part D claims in 2024
In 2024, Dr. Patterson wrote 487 Medicare Part D claims for 91 patients. 66% of them were for generic drugs. CMS names the drug for 372 of them, across 15 drugs with 11 or more claims each, at $1,020,593 in total drug cost. In 2023, CMS named 362 claims across 15 drugs.
Dr. Patterson's Part D claims by kind of drug, 2024
- Generic323 claims66%
- Brand-name164 claims34%
Dr. Patterson'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. Patterson's Part D claims, 2024
- Opioids4%21 of 487 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: 3622024: 3723%
Drugs named by CMS: 15 in 2024, 15 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. Patterson scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Patterson for performance year 2024, reported as part of a group. Dr. Patterson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Patterson's MIPS scores, performance year 2024
- 85of 100Final score
- 73.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. James M. Patterson received $394 in industry payments from 2016 to 2025
CMS Open Payments shows 14 general payments to Dr. Patterson from 6 drug and device companies from 2016 to 2025. Education make up the largest share, 53% of the total. Servier Pharmaceuticals LLC paid the most, $159.
General payments to Dr. Patterson by program year, 2016 to 2025
General payments to Dr. Patterson by kind, 2016 to 2025
- Education$21153%
- Food and beverage$18347%
Companies that paid Dr. Patterson 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. James M. Patterson graduated from Eastern Virginia Medical School
Dr. Patterson graduated from Eastern Virginia Medical School in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James M. Patterson'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)Clinician Public Reporting: Overall MIPS Performance (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. Patterson
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. Patterson's NPI number?
Dr. James M. Patterson's NPI number is 1972600708. It was assigned on September 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James M. Patterson?
Dr. James M. Patterson is a hematologist and oncologist in West Chester, Pennsylvania. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. James M. Patterson practice?
Dr. Patterson practices at 440 E Marshall St, West Chester, PA 19380. Dr. Patterson's primary practice is Perelman Center for Advanced Medicine in West Chester, Pennsylvania. Dmand AI also links Dr. Patterson to 3 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. James M. Patterson's office phone number?
The practice phone on file for Dr. Patterson is (215) 615-5858.
What is Dr. James M. Patterson's medical license number?
Dr. Patterson holds Pennsylvania license MD059922L.
Which hospitals is Dr. James M. Patterson affiliated with?
Dr. Patterson is affiliated with Chester County Hospital. Dmand AI links Dr. Patterson to 3 more hospitals.
What medical group is Dr. James M. Patterson part of?
Dr. Patterson is linked to Penn Medicine Lancaster General Health. Dmand AI links Dr. Patterson to 1 more medical group.
Does Dr. James M. Patterson accept Medicare?
Yes. CMS data shows Dr. Patterson billed Medicare for 1,386 services in 2024, and Dr. Patterson accepts Medicare assignment.
What is Dr. James M. Patterson's MIPS score?
Dr. Patterson's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
How many Medicare patients does Dr. James M. Patterson see?
CMS counts 396 Medicare patients who saw Dr. Patterson in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. James M. Patterson bill to Medicare?
In 2024, Dr. Patterson's most billed Medicare services were medicare service (G2211), office visit, established patient (99215) and office visit, established patient (99214).
Where did Dr. James M. Patterson go to medical school?
Dr. Patterson graduated from Eastern Virginia Medical School in 1994.
What drugs does Dr. James M. Patterson prescribe most?
In 2024 Medicare Part D data, Dr. Patterson's most prescribed drugs by claims were Eliquis, Abiraterone Acetate and Xarelto.
Has Dr. James M. Patterson received payments from drug or device companies?
CMS Open Payments shows $394 in general payments to Dr. Patterson from 6 companies from 2016 to 2025. The largest total came from Servier Pharmaceuticals LLC.
How long has Dr. James M. Patterson been practicing?
Dr. Patterson graduated from medical school in 1994, 32 years ago.
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