Physician Profile
Unclaimed ProfileAbout BARRETT
Based in Richmond, VA, John Christian Barrett, M.D. is listed in the NPI registry under hematology/oncology. John graduated from University of Louisville School of Medicine in 1993. John is also listed as specialising in internal medicine, hematology, and medical oncology. According to Medicare claims data, John cared for 154 Medicare patients across 252 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Barrett's specialty?
Dr. Barrett is a hematology/oncology in Richmond, VA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “HEMATOLOGY/ONCOLOGY”.
NPI registry
Where can I find Dr. Barrett?
Dr. Barrett is listed at 1250 E MARSHALL ST INTERNAL MEDICINE, Richmond, VA 23298. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Barrett?
The number on file is (804) 828-9992. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Barrett's NPI number?
Dr. Barrett's National Provider Identifier is 1710071022. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Barrett's medical education?
Dr. Barrett attended University of Louisville School of Medicine, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Barrett been practising?
Dr. Barrett has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Barrett known for?
According to Medicare billing data, Dr. Barrett the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Barrett confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Barrett. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (804) 828-9992
- Email not available
Practice Locations
1250 E MARSHALL ST INTERNAL MEDICINE
Richmond, VA 23298
Procedures Most Often Billed to Medicare
252 services · 154 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
92 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
39 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
32 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
31 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
25 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
18 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
15 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other hematology/oncology specialists in Richmond 8
Same specialty, same city.
Trained at University of Louisville School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1993 at University of Louisville School of Medicine 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.