Christopher Barnes, M.D.
NPI 1831203934 · Pain Medicine (Physical Medicine & Rehabilitation) Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Barnes, M.D. is a Pain Medicine (Physical Medicine & Rehabilitation) Physician provider in Phoenix, AZ (NPI 1831203934).
Provider details
- NPI number
- 1831203934
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Physical Medicine & Rehabilitation) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 27790 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
2,846 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 Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 1,753 | $75 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 548 | $113 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 218 | $124 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 193 | $78 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 68 | $47 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 75 | 27 |
| Atorvastatin Calcium | 51 | 42 |
| Gabapentin | 44 | 32 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 39 | — |
| Amlodipine Besylate | 30 | 25 |
| Tramadol Hcl | 21 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-18
- Last updated
- 2025-08-29
- Certified
- 2025-08-29
Frequently asked questions
- What is Christopher Barnes's NPI number?
- Christopher Barnes's National Provider Identifier (NPI) is 1831203934, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Barnes's specialty?
- Christopher Barnes is listed in the NPPES registry with a primary specialty of Pain Medicine (Physical Medicine & Rehabilitation) Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Barnes located?
- Christopher Barnes's practice location on file with NPPES is 6232 N 7th St Ste 210, Phoenix, AZ 85014-1851.
- What is Christopher Barnes's phone number?
- The practice phone number listed in the NPPES registry for Christopher Barnes is (602) 839-2737.
- Does Christopher Barnes accept Medicare?
- Christopher Barnes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Barnes's NPI active?
- Yes — Christopher Barnes's NPI (1831203934) is active in the NPPES registry as of the last update on 2025-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.