John Warren, PA
NPI 1285692764 · Physician Assistant · Winston Salem, NC
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Warren, PA is a Physician Assistant provider in Winston Salem, NC (NPI 1285692764).
Provider details
- NPI number
- 1285692764
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- 102202 (NC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
473 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 133 | $39 |
| Fluoroscopic Guidance for Insertion Or Removal of Central Vein Access Device77001 | 53 | $14 |
| Imaging for Evaluation of Swallowing Function74230 | 46 | $20 |
| Ultrasonic Guidance for Blood Vessel Access76937 | 42 | $11 |
| Drainage of Fluid From Abdominal Cavity Using Imaging Guidance49083 | 39 | $82 |
| Aspiration of Fluid From Chest Cavity Using Imaging Guidance32555 | 35 | $85 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2011-03-07
Frequently asked questions
- What is John Warren's NPI number?
- John Warren's National Provider Identifier (NPI) is 1285692764, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Warren's specialty?
- John Warren is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Warren located?
- John Warren's practice location on file with NPPES is 3155 Maplewood Avenue, Winston Salem, NC 27103.
- What is John Warren's phone number?
- The practice phone number listed in the NPPES registry for John Warren is (336) 794-4372.
- Does John Warren accept Medicare?
- John Warren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Warren's NPI active?
- Yes — John Warren's NPI (1285692764) is active in the NPPES registry as of the last update on 2011-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.