Gregory Chapman, MD
NPI 1588641070 · Cardiovascular Disease Physician · Alabaster, AL
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Chapman, MD is a Cardiovascular Disease Physician provider in Alabaster, AL (NPI 1588641070).
Provider details
- NPI number
- 1588641070
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 16442 (AL)
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
2,909 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 1,035 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 479 | $120 |
| 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 | 417 | $16 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 238 | $66 |
| Technetium Tc-99m Tetrofosmin, Diagnostic, Per Study DoseA9502 | 178 | $118 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 58 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 610 | 218 |
| Atorvastatin Calcium | 543 | 190 |
| Apixabanbrand: Eliquis | 428 | 113 |
| Metoprolol Succinate | 423 | 157 |
| Losartan Potassium | 312 | 108 |
| Amlodipine Besylate | 288 | 104 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$120 across 6 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
Additional practice locations (1)
- 2000 6th Ave SBirmingham, AL 35233-2110Phone: (205) 978-4300
Registry dates
- Enumerated
- 2005-12-27
- Last updated
- 2023-06-29
Frequently asked questions
- What is Gregory Chapman's NPI number?
- Gregory Chapman's National Provider Identifier (NPI) is 1588641070, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Chapman's specialty?
- Gregory Chapman is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Chapman located?
- Gregory Chapman's practice location on file with NPPES is 1022 1st St N, Alabaster, AL 35007-8706.
- What is Gregory Chapman's phone number?
- The practice phone number listed in the NPPES registry for Gregory Chapman is (205) 663-5775.
- Does Gregory Chapman accept Medicare?
- Gregory Chapman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Chapman's NPI active?
- Yes — Gregory Chapman's NPI (1588641070) is active in the NPPES registry as of the last update on 2023-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.