John Cahill, M.D.
NPI 1063533875 · Cardiovascular Disease Physician · Greensboro, NC
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Cahill, M.D. is a Cardiovascular Disease Physician provider in Greensboro, NC (NPI 1063533875).
Provider details
- NPI number
- 1063533875
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2009-00535 (NC)
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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
821 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 | 258 | $117 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 117 | $13 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 39 | $181 |
| Technetium Tc-99m Tetrofosmin, Diagnostic, Per Study DoseA9502 | 36 | $109 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 33 | $10 |
| Heart Rhythm Recording of Continous External Ekg Over 8-15 Days93246 |
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 |
|---|---|---|
| Torsemide | 545 | 161 |
| Atorvastatin Calcium | 384 | 157 |
| Rosuvastatin Calcium | 243 | 98 |
| Bisoprolol/Hydrochlorothiazidebrand: Bisoprolol-Hydrochlorothiazide | 232 | 76 |
| Olmesartan Medoxomil | 206 | 57 |
| Amlodipine Bes/Olmesartan Medbrand: Amlodipine-Olmesartan | 198 | 67 |
| Atenolol | 193 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$914 across 39 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 (4)
- 3402 Battleground AveGreensboro, NC 27410-2578Phone: (336) 883-0029
- 507 N Lindsay StHigh Point, NC 27262-4303Phone: (336) 883-0029
- 975 Nc Highway 66 SKernersville, NC 27284-3132Phone: (336) 883-0029Fax: (336) 883-0867
- 5093 University PkwyWinston Salem, NC 27106-6085Phone: (336) 883-0029Fax: (336) 883-0867
Registry dates
- Enumerated
- 2007-04-02
- Last updated
- 2024-07-19
- Certified
- 2024-07-19
Frequently asked questions
- What is John Cahill's NPI number?
- John Cahill's National Provider Identifier (NPI) is 1063533875, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Cahill's specialty?
- John Cahill is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Cahill located?
- John Cahill's practice location on file with NPPES is 3801 W Market St, Greensboro, NC 27407-1301.
- What is John Cahill's phone number?
- The practice phone number listed in the NPPES registry for John Cahill is (336) 883-0029.
- Does John Cahill accept Medicare?
- John Cahill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Cahill's NPI active?
- Yes — John Cahill's NPI (1063533875) is active in the NPPES registry as of the last update on 2024-07-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.