Warren Lafferty, MD
NPI 1639118391 · Family Medicine Physician · Bentonville, AR
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Warren Lafferty, MD is a Family Medicine Physician provider in Bentonville, AR (NPI 1639118391).
Provider details
- NPI number
- 1639118391
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- E-0988 (AR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
130 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 | 56 | $114 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 50 | $74 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 24 | $114 |
Typical Medicare-allowed amounts for these services range $74–$114 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 62 | 23 |
| Amlodipine Besylate | 53 | 18 |
| Ramipril | 53 | 16 |
| Lisinopril | 48 | 13 |
| Metformin Hcl | 37 | 11 |
| Zolpidem Tartrate | 36 | — |
| Ezetimibe | 34 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18 across 1 record (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
Additional practice locations (1)
- 114 Harrison AveSuite BLowell, AR 72745-9047Phone: (479) 770-4343
Registry dates
- Enumerated
- 2006-06-06
- Last updated
- 2020-04-28
- Certified
- 2020-04-28
Frequently asked questions
- What is Warren Lafferty's NPI number?
- Warren Lafferty's National Provider Identifier (NPI) is 1639118391, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Warren Lafferty's specialty?
- Warren Lafferty is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Warren Lafferty located?
- Warren Lafferty's practice location on file with NPPES is 1706 Se Walton Blvd Ste 4, Bentonville, AR 72712-3201.
- What is Warren Lafferty's phone number?
- The practice phone number listed in the NPPES registry for Warren Lafferty is (479) 464-0400.
- Does Warren Lafferty accept Medicare?
- Warren Lafferty is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Warren Lafferty's NPI active?
- Yes — Warren Lafferty's NPI (1639118391) is active in the NPPES registry as of the last update on 2020-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.