Zachary Guynn, M.D.
NPI 1528258514 · Family Medicine Physician · Fayetteville, AR
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Guynn, M.D. is a Family Medicine Physician provider in Fayetteville, AR (NPI 1528258514).
Provider details
- NPI number
- 1528258514
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- E-5999 (AR)
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
18 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
559 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 | 239 | $115 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 97 | $67 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 45 | $12 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 39 | $151 |
| X-Ray of Chest, 2 Views71046 | 33 | $27 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 | 33 |
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 |
|---|---|---|
| Doxycycline Hyclate | 79 | 73 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 65 | 61 |
| Amoxicillin | 25 | 23 |
| Prednisone | 23 | 20 |
| Azithromycin | 21 | 20 |
| Cephalexin | 21 | 19 |
| Methylprednisolone | 20 | 20 |
| Oseltamivir Phosphate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$50 across 3 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
- 2007-07-26
- Last updated
- 2024-08-08
- Certified
- 2024-08-08
Frequently asked questions
- What is Zachary Guynn's NPI number?
- Zachary Guynn's National Provider Identifier (NPI) is 1528258514, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Guynn's specialty?
- Zachary Guynn is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Guynn located?
- Zachary Guynn's practice location on file with NPPES is 1188 N Salem Rd Ste 6, Fayetteville, AR 72704-8803.
- What is Zachary Guynn's phone number?
- The practice phone number listed in the NPPES registry for Zachary Guynn is (479) 442-0006.
- Does Zachary Guynn accept Medicare?
- Zachary Guynn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Guynn's NPI active?
- Yes — Zachary Guynn's NPI (1528258514) is active in the NPPES registry as of the last update on 2024-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.