Donald Chapman, D.O
NPI 1154731388 · Emergency Medicine Physician · Lawrenceville, GA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donald Chapman, D.O is a Emergency Medicine Physician provider in Lawrenceville, GA (NPI 1154731388).
Provider details
- NPI number
- 1154731388
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- No
- License
- 5101021173 (MI)
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
12 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
450 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 263 | $182 |
| Critical Care, First 30-74 Minutes99291 | 150 | $221 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 37 | $125 |
Typical Medicare-allowed amounts for these services range $125–$221 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 33 | 33 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 23 | 23 |
| Cephalexin | 23 | 23 |
| Cyclobenzaprine Hcl | 22 | 22 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 19 | 18 |
| Ondansetronbrand: Ondansetron Odt | 18 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$78 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
Registry dates
- Enumerated
- 2014-04-28
- Last updated
- 2019-07-11
Frequently asked questions
- What is Donald Chapman's NPI number?
- Donald Chapman's National Provider Identifier (NPI) is 1154731388, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Chapman's specialty?
- Donald Chapman is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Chapman located?
- Donald Chapman's practice location on file with NPPES is 500 Medical Center Blvd Ste 135, Lawrenceville, GA 30046.
- What is Donald Chapman's phone number?
- The practice phone number listed in the NPPES registry for Donald Chapman is (678) 312-2400.
- Does Donald Chapman accept Medicare?
- Donald Chapman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donald Chapman's NPI active?
- Yes — Donald Chapman's NPI (1154731388) is active in the NPPES registry as of the last update on 2019-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.