Physician Profile
Unclaimed ProfileAbout WARREN
John G Warren, PA is a physician assistant based in Winston Salem, NC. John is a 1996 graduate of Duke University School of Medicine.
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 kind of doctor is Dr. Warren?
Dr. Warren is a physician assistant in Winston Salem, NC. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PHYSICIAN ASSISTANT”.
NPI registry
What is Dr. Warren's address?
Dr. Warren is listed at 3155 MAPLEWOOD AVENUE, Winston Salem, NC 27103. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Warren?
The number on file is (336) 794-4372. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Warren's NPI number?
Dr. Warren's National Provider Identifier is 1285692764. 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
Where did Dr. Warren train?
Dr. Warren attended Duke University School of Medicine, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Warren been practising?
Dr. Warren has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Warren perform?
According to Medicare billing data, Dr. Warren performs procedures including drainage of fluid from abdominal cavity using imaging guidance, aspiration of fluid from chest cavity using imaging guidance and replacement of kidney drainage tube using imaging guidance with review by radiologist; reads or performs imaging such as fluoroscopic guidance for insertion or removal of central vein access device and imaging for evaluation of swallowing function; provides treatments such as use of a drug to induce depression of consciousness by physician performing a procedure , initial 15 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Warren confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Warren. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (336) 794-4372
- Email not available
Practice Locations
3155 MAPLEWOOD AVENUE
Winston Salem, NC 27103
Procedures Most Often Billed to Medicare
473 services · 377 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Drainage of fluid from abdominal cavity using imaging guidance | Procedure | 49083 |
39 |
| Aspiration of fluid from chest cavity using imaging guidance | Procedure | 32555 |
35 |
| Replacement of kidney drainage tube using imaging guidance with review by radiologist | Procedure | 50435 |
32 |
| Insertion of central venous tube with port (5 years or older) | Procedure | 36561 |
20 |
| Insertion of tunneled central venous tube for infusion (5 years or older) | Procedure | 36558 |
17 |
| Fluoroscopic guidance for insertion or removal of central vein access device | Imaging | 77001 |
53 |
| Imaging for evaluation of swallowing function | Imaging | 74230 |
46 |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
42 |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Treatment | 99152 |
35 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
133 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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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 physician assistants in Winston Salem 8
Same specialty, same city.
Trained at Duke University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1996 at Duke University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Drainage of fluid from abdominal cavity using imaging guidance 8
Providers in NC who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.