Loren Guzman, MD
NPI 1538521042 · Pain Medicine (Anesthesiology) Physician · Bentonville, AR
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Loren Guzman, MD is a Pain Medicine (Anesthesiology) Physician provider in Bentonville, AR (NPI 1538521042).
Provider details
- NPI number
- 1538521042
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036.152009 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,041 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 | 566 | $113 |
| 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'SG2211 | 312 | $15 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 266 | $79 |
| Care Management Services for Behavioral Health Conditions, 20 Minutes Or More Clinical Staff Time Directed By Health Care Professional99484 | 138 | $49 |
| Injection of Substance Into Lower Spine Canal Using Imaging Guidance62323 | 118 | $221 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 314 | 97 |
| Gabapentin | 208 | 95 |
| Pregabalin | 117 | 56 |
| Tramadol Hcl | 99 | 35 |
| Cyclobenzaprine Hcl | 51 | 25 |
| Tizanidine Hcl | 43 | 19 |
| Methocarbamol | 28 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$114 across 5 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
- 2016-03-23
- Last updated
- 2023-06-26
- Certified
- 2023-06-26
Frequently asked questions
- What is Loren Guzman's NPI number?
- Loren Guzman's National Provider Identifier (NPI) is 1538521042, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Loren Guzman's specialty?
- Loren Guzman is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is Loren Guzman located?
- Loren Guzman's practice location on file with NPPES is 2900 Medical Center Pkwy Suite 110, Bentonville, AR 72712-3055.
- What is Loren Guzman's phone number?
- The practice phone number listed in the NPPES registry for Loren Guzman is (479) 715-4262.
- Does Loren Guzman accept Medicare?
- Loren Guzman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Loren Guzman's NPI active?
- Yes — Loren Guzman's NPI (1538521042) is active in the NPPES registry as of the last update on 2023-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.