Christopher Irwin
NPI 1427613736 · Internal Medicine Physician · Mechanicsville, VA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Irwin is a Internal Medicine Physician provider in Mechanicsville, VA (NPI 1427613736).
Provider details
- NPI number
- 1427613736
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
725 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 378 | $80 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 153 | $104 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 132 | $59 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 35 | $129 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 16 | $8 |
| Counseling Visit to Discuss Need for Lung Cancer Screening Using Low Dose Ct Scan (ldct) (service Is for Eligibility Determination and Shared Decision Making) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 75 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 337 | 120 |
| Amlodipine Besylate | 199 | 78 |
| Levothyroxine Sodium | 158 | 53 |
| Lisinopril | 129 | 39 |
| Omeprazole | 100 | 40 |
| Rosuvastatin Calcium | 99 | 39 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$166 across 9 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-05-02
- Last updated
- 2022-08-17
- Certified
- 2022-08-17
Frequently asked questions
- What is Christopher Irwin's NPI number?
- Christopher Irwin's National Provider Identifier (NPI) is 1427613736, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Irwin's specialty?
- Christopher Irwin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Irwin located?
- Christopher Irwin's practice location on file with NPPES is 8200 Meadowbridge Rd, Mechanicsville, VA 23116.
- What is Christopher Irwin's phone number?
- The practice phone number listed in the NPPES registry for Christopher Irwin is (608) 217-1517.
- Does Christopher Irwin accept Medicare?
- Christopher Irwin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Irwin's NPI active?
- Yes — Christopher Irwin's NPI (1427613736) is active in the NPPES registry as of the last update on 2022-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.