Gerald Bayona, MD
NPI 1780695692 · Internal Medicine Physician · Tolland, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerald Bayona, MD is a Internal Medicine Physician provider in Tolland, CT (NPI 1780695692).
Provider details
- NPI number
- 1780695692
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 037424 (CT)
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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,182 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 356 | $134 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 301 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 301 | $13 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 203 | $8 |
| Hemoglobin A1c Level83036 | 181 | $10 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 179 | $16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 126 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 614 | 182 |
| Levothyroxine Sodium | 430 | 125 |
| Lisinopril | 329 | 89 |
| Rosuvastatin Calcium | 225 | 66 |
| Amlodipine Besylate | 211 | 66 |
| Metformin Hcl | 206 | 58 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-10
- Last updated
- 2015-03-09
Frequently asked questions
- What is Gerald Bayona's NPI number?
- Gerald Bayona's National Provider Identifier (NPI) is 1780695692, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerald Bayona's specialty?
- Gerald Bayona is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gerald Bayona located?
- Gerald Bayona's practice location on file with NPPES is 384 Merrow Rd Ste K, Tolland, CT 06084-3970.
- What is Gerald Bayona's phone number?
- The practice phone number listed in the NPPES registry for Gerald Bayona is (860) 871-8851.
- Does Gerald Bayona accept Medicare?
- Gerald Bayona is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerald Bayona's NPI active?
- Yes — Gerald Bayona's NPI (1780695692) is active in the NPPES registry as of the last update on 2015-03-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.