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Christopher P. Irwin
NPI1427613736PAC ID9133454002
- Medicare services, 2024
- 725
- Medicare patients, 2024
- 244
- Part D claims, 2024
- 3,999
- Publications
- 4
- Hospital affiliations
- 4
- Practice address
- 8260 Atlee Road, Mechanicsville, VA 23116
- Practice phone
- Call (804) 764-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Christopher Irwin'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.
Christopher P. Irwin is an internist in Mechanicsville, Virginia
Christopher Irwin practices at Bon Secours Memorial Regional Medical Center in Mechanicsville, Virginia, part of Bon Secours Mercy Health.
Christopher Irwin's NPI, 1427613736, was assigned on May 2, 2019. Christopher Irwin graduated from Rutgers New Jersey Medical School in 2019. Christopher Irwin holds Virginia license 0101275666.
NPI and contact details
- NPI
- 1427613736NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133454002
- NPI enumeration date
- May 2, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (804) 764-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Christopher P. Irwin practices at Bon Secours Memorial Regional Medical Center in Mechanicsville, Virginia
Christopher Irwin's primary practice is Bon Secours Memorial Regional Medical Center, at 8260 Atlee Road, Mechanicsville, VA 23116 in Hanover County. The practice phone is (804) 764-6000.
- Bon Secours Memorial Regional Medical Center8260 Atlee Road, Mechanicsville, VA 23116 · Hanover CountyPhone(804) 764-6000
Source: Dmand AI Affiliation Data
Christopher P. Irwin is affiliated with 5 sites of care and 1 medical group
Christopher Irwin's primary practice is Bon Secours Memorial Regional Medical Center in Mechanicsville, Virginia, part of Bon Secours Mercy Health. Christopher Irwin is also affiliated with Bon Secours St. Mary's Hospital. The medical group on file is CrossRidge Pediatrics and Internal Medicine. Dmand AI also links Christopher Irwin to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Bon Secours St. Mary's HospitalCrossRidge Pediatrics and Internal Medicine2 hospitalsNames with a free account1 group practice or clinicName with a free account
See all 6 affiliations for Christopher IrwinSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Christopher P. Irwin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christopher Irwin practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bon Secours Memorial Regional Medical Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Christopher P. Irwin is one of 3,339 internists in Virginia
Internal medicine is Christopher Irwin's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Christopher Irwin is licensed in Virginia.
Specialties and state licenses
- Internal medicine, VirginiaPrimary
Internists near Christopher Irwin
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
3,339internists in Virginia51internists in Mechanicsville37internists at Bon Secours Memorial Regional Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Christopher P. Irwin billed Medicare for 725 services in 2024
CMS data shows 725 Medicare services from Christopher Irwin across 6 procedure codes in 2024, for 244 Medicare patients. Medicare paid $44,045 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024725
Medicare patients244
Paid by Medicare$44,045
Procedure codes6
Christopher Irwin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4562024: 54520%
- Other services
- 2023: 642024: 164156%
- Tests and treatments
- 2023: 122024: 1633%
Christopher Irwin compared with the Virginia median for internists, 2024
- Christopher Irwin
- Virginia median
- Medicare services
- 725vs 60719% above
- Medicare patients
- 244vs 246Close to median
- Part D claims
- 3,310vs 22414.8 times
Medians across 3,182 internists in Virginia with Dmand AI profiles that report each measure.
Christopher Irwin'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.
Need commercial claims for Christopher Irwin?
Medicare shows one payer. Book a meeting to get commercial claims data for Christopher Irwin and other internists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Christopher P. Irwin treated 244 Medicare patients in 2024, average age 75
CMS counts 244 Medicare patients who saw Christopher Irwin in 2024. The largest group is 65 to 74, with 116 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Christopher Irwin's median patient age at 67, with 54% women.
Medicare patients, 2024244
Average age75
Average risk score1.27
Christopher Irwin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Christopher Irwin's Medicare patients by sex, 2024
- Women12150%
- Men12350%
Chronic conditions among Christopher Irwin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis41%
- Chronic kidney disease36%
- Diabetes36%
- Ischemic heart disease29%
- Mood disorders22%
- Anxiety21%
Share of Medicare patients with each condition. A patient can have several.
Christopher Irwin'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
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Christopher P. Irwin wrote 3,999 Medicare Part D claims in 2024
In 2024, Christopher Irwin wrote 3,999 Medicare Part D claims for 420 patients. 86% of them were for generic drugs. CMS names the drug for 3,310 of them, across 75 drugs with 11 or more claims each, at $264,440 in total drug cost. In 2023, CMS named 1,642 claims across 52 drugs.
Part D claims, 20243,999
Drugs named by CMS75
Total drug cost$264,440
Part D patients420
Christopher Irwin's Part D claims by kind of drug, 2024
- Generic3,437 claims86%
- Brand-name508 claims13%
- Other54 claims1%
Christopher Irwin'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 Christopher Irwin's Part D claims, 2024
- Opioids1%22 of 3,999 claims
- Antibiotics2%62 of 3,999 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: 1,6422024: 3,310102%
Drugs named by CMS: 75 in 2024, 52 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
Christopher P. Irwin offers telehealth to Medicare patients
Christopher Irwin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Christopher Irwin as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Christopher P. Irwin has 4 publications on record
Dmand AI links 4 papers to Christopher Irwin, published from 2012 to 2016. Christopher Irwin's most frequent co-authors are Gordon H. Baltuch, MD, Nicholas M. Barbaro, MD and Daniel S. Berman, MD.
Papers4
Years published2012 to 2016
Christopher Irwin's papers by year, 2012 to 2016
Christopher Irwin's most frequent co-authors
- Gordon H. Baltuch, MD1 shared paper
- Nicholas M. Barbaro, MD1 shared paper
- Daniel S. Berman, MD1 shared paper
Recent publications by Christopher Irwin
See who Christopher Irwin researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Christopher Irwin works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Christopher P. Irwin received $1,006 in industry payments from 2022 to 2025
CMS Open Payments shows 56 general payments to Christopher Irwin from 18 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $167.
General payments to Christopher Irwin by program year, 2022 to 2025
Companies that paid Christopher Irwin the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Christopher P. Irwin graduated from Rutgers New Jersey Medical School
Christopher Irwin graduated from Rutgers New Jersey Medical School in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Christopher P. Irwin'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Christopher P. Irwin
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Christopher P. Irwin's NPI number?
Christopher P. Irwin's NPI number is 1427613736. It was assigned on May 2, 2019, and it is active in the NPI Registry.
What does Christopher P. Irwin specialize in?
Christopher P. Irwin is an internist in Mechanicsville, Virginia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Christopher P. Irwin practice?
Christopher Irwin practices at 8260 Atlee Road, Mechanicsville, VA 23116. Christopher Irwin's primary practice is Bon Secours Memorial Regional Medical Center in Mechanicsville, Virginia, part of Bon Secours Mercy Health. Dmand AI also links Christopher Irwin to 2 hospitals and 1 group practice or clinic.
What is Christopher P. Irwin's office phone number?
The practice phone on file for Christopher Irwin is (804) 764-6000.
What is Christopher P. Irwin's medical license number?
Christopher Irwin holds Virginia license 0101275666.
Which hospitals is Christopher P. Irwin affiliated with?
Christopher Irwin practices at Bon Secours Memorial Regional Medical Center in Mechanicsville, Virginia. Christopher Irwin is also affiliated with Bon Secours St. Mary's Hospital. Dmand AI links Christopher Irwin to 2 more hospitals.
What medical group is Christopher P. Irwin part of?
Christopher Irwin is linked to CrossRidge Pediatrics and Internal Medicine.
Does Christopher P. Irwin accept Medicare?
Yes. CMS data shows Christopher Irwin billed Medicare for 725 services in 2024, and Christopher Irwin accepts Medicare assignment.
Does Christopher P. Irwin offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Christopher Irwin as offering telehealth services.
How many Medicare patients does Christopher P. Irwin see?
CMS counts 244 Medicare patients who saw Christopher Irwin in 2024, with an average age of 75.
Show 7 more questionsShow fewer questions
What services does Christopher P. Irwin bill to Medicare?
In 2024, Christopher Irwin's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
Where did Christopher P. Irwin go to medical school?
Christopher Irwin graduated from Rutgers New Jersey Medical School in 2019.
What drugs does Christopher P. Irwin prescribe most?
In 2024 Medicare Part D data, Christopher Irwin's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has Christopher P. Irwin received payments from drug or device companies?
CMS Open Payments shows $1,006 in general payments to Christopher Irwin from 18 companies from 2022 to 2025. The largest total came from Novo Nordisk Inc.
How long has Christopher P. Irwin been practicing?
Christopher Irwin graduated from medical school in 2019, 7 years ago.
Does Christopher P. Irwin do research?
Dmand AI links 4 publications to Christopher Irwin, published from 2012 to 2016.
Who does Christopher P. Irwin publish with?
Christopher Irwin's most frequent co-authors are Gordon H. Baltuch, MD (1 shared paper), Nicholas M. Barbaro, MD (1 shared paper) and Daniel S. Berman, MD (1 shared paper).
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