Gregory Zawada, M.D.
NPI 1891704763 · Internal Medicine Physician · Sherwood, AR
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Zawada, M.D. is a Internal Medicine Physician provider in Sherwood, AR (NPI 1891704763).
Provider details
- NPI number
- 1891704763
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- E-4895 (AR)
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
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
3,084 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 50 Minutes99233 | 1,498 | $100 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 1,062 | $66 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 303 | $146 |
| Critical Care, First 30-74 Minutes99291 | 157 | $180 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 64 | $110 |
Typical Medicare-allowed amounts for these services range $66–$180 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefazolin Sodium | 30 | — |
| Doxycycline Hyclate | 29 | 29 |
| Vancomycin Hcl | 28 | — |
| Ciprofloxacin Hcl | 21 | 21 |
| Ceftriaxone Sodiumbrand: Ceftriaxone | 19 | — |
| Cefdinir | 17 | 17 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 16 | 16 |
| Levofloxacin |
Practice location
Mailing address
Additional practice locations (2)
- 9601 Baptist Health DrLittle Rock, AR 72205-6321Phone: (501) 202-2000
- 3333 Springhill DrNorth Little Rock, AR 72117-2922Phone: (501) 202-3000
Registry dates
- Enumerated
- 2006-08-07
- Last updated
- 2019-12-12
- Certified
- 2019-12-12
Frequently asked questions
- What is Gregory Zawada's NPI number?
- Gregory Zawada's National Provider Identifier (NPI) is 1891704763, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Zawada's specialty?
- Gregory Zawada is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Zawada located?
- Gregory Zawada's practice location on file with NPPES is 2215 Wildwood Ave, Sherwood, AR 72120-5089.
- What is Gregory Zawada's phone number?
- The practice phone number listed in the NPPES registry for Gregory Zawada is (501) 753-2424.
- Does Gregory Zawada accept Medicare?
- Gregory Zawada is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Zawada's NPI active?
- Yes — Gregory Zawada's NPI (1891704763) is active in the NPPES registry as of the last update on 2019-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.