Dr. Gerald M. Bayona, MD
- Medicare services, 2024
- 2,239
- Medicare patients, 2024
- 281
- Part D claims, 2024
- 8,309
- Hospital affiliations
- 2
- Industry payments
- $38
- Practice address
- 384 Merrow Rd, Tolland, CT 06084
- Practice phone
- Call (860) 284-5200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Prohealth Physicians
Tolland, Connecticut
Find Dr. Bayona's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gerald M. Bayona is an internist in Tolland, Connecticut
Dr. Bayona practices at Prohealth Physicians in Tolland, Connecticut.
Dr. Bayona's NPI, 1780695692, was assigned on August 10, 2006. Dr. Bayona holds Connecticut license 037424.
- NPI
- 1780695692NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193715381
- NPI enumeration date
- August 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (860) 284-5200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gerald M. Bayona practices at Prohealth Physicians in Tolland, Connecticut
Dr. Bayona's primary practice is Prohealth Physicians, at 384 Merrow Rd, Tolland, CT 06084 in Capitol County. The practice phone is (860) 284-5200.
- Prohealth Physicians384 Merrow Rd, Tolland, CT 06084 · Capitol CountyPhone(860) 284-5200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gerald M. Bayona is affiliated with 7 sites of care and 2 medical groups
Dr. Bayona's primary practice is Prohealth Physicians in Tolland, Connecticut. Dr. Bayona is also affiliated with Manchester Memorial Hospital. The medical group on file is ProHealth Physicians. Dmand AI also links Dr. Bayona to 1 more hospital, 3 home health agencies, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gerald M. Bayona's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bayona practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Prohealth Physicians | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gerald M. Bayona is one of 2,189 internists in Connecticut
Internal medicine is Dr. Bayona's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Bayona is licensed in Connecticut.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
Internists near Dr. Bayona
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gerald M. Bayona billed Medicare for 2,239 services in 2024
CMS data shows 2,239 Medicare services from Dr. Bayona across 23 procedure codes in 2024, for 281 Medicare patients. Medicare paid $83,131 for them. Every service was in an office.
Dr. Bayona's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 1,1792024: 1,31211%
- Office and hospital visits
- 2023: 5582024: 48413%
- Other services
- 2023: 2142024: 2287%
- Surgery
- 2023: 2382024: 15834%
- Tests and treatments
- 2023: 992024: 5742%
Dr. Bayona compared with the Connecticut median for internists, 2024
- Dr. Bayona
- Connecticut median
- Medicare services
- 2,239vs 3905.7 times
- Medicare patients
- 281vs 17263% above
- Part D claims
- 7,630vs 34322.2 times
Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.
Dr. Bayona's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Bayona?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bayona and other internists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gerald M. Bayona treated 281 Medicare patients in 2024, average age 73
CMS counts 281 Medicare patients who saw Dr. Bayona in 2024. The largest group is 65 to 74, with 125 patients. 75% of them have high cholesterol, and 65% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.22, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Bayona's median patient age at 63, with 45% women.
Dr. Bayona's Medicare patients by age, 2024
Dr. Bayona's Medicare patients by sex, 2024
- Women12645%
- Men15555%
Chronic conditions among Dr. Bayona's Medicare patients, 2024
- High cholesterol75%
- High blood pressure65%
- Arthritis33%
- Chronic kidney disease28%
- Anxiety27%
- Diabetes26%
- Ischemic heart disease25%
- Atrial fibrillation20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bayona's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gerald M. Bayona wrote 8,309 Medicare Part D claims in 2024
In 2024, Dr. Bayona wrote 8,309 Medicare Part D claims for 942 patients. 88% of them were for generic drugs. CMS names the drug for 7,630 of them, across 126 drugs with 11 or more claims each, at $546,097 in total drug cost. In 2023, CMS named 6,968 claims across 126 drugs.
Dr. Bayona's Part D claims by kind of drug, 2024
- Generic7,326 claims88%
- Brand-name920 claims11%
- Other63 claims1%
Dr. Bayona's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Bayona's Part D claims, 2024
- Opioids3%272 of 8,309 claims
- Antibiotics2%183 of 8,309 claims
- Antipsychotics, patients 65 and over1%56 of 8,309 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6,9682024: 7,63010%
Drugs named by CMS: 126 in 2024, 126 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Gerald M. Bayona offers telehealth to Medicare patients
Dr. Bayona accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Bayona as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gerald M. Bayona received $38 in industry payments from 2016 to 2017
CMS Open Payments shows 3 general payments to Dr. Bayona from 3 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $17.
General payments to Dr. Bayona by program year, 2016 to 2017
Companies that paid Dr. Bayona the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gerald M. Bayona's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gerald M. Bayona
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gerald M. Bayona's NPI number?
Dr. Gerald M. Bayona's NPI number is 1780695692. It was assigned on August 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gerald M. Bayona?
Dr. Gerald M. Bayona is an internist in Tolland, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gerald M. Bayona practice?
Dr. Bayona practices at 384 Merrow Rd, Tolland, CT 06084. Dr. Bayona's primary practice is Prohealth Physicians in Tolland, Connecticut. Dmand AI also links Dr. Bayona to 1 hospital, 3 home health agencies, 1 group practice or clinic and 1 medical group.
What is Dr. Gerald M. Bayona's office phone number?
The practice phone on file for Dr. Bayona is (860) 284-5200.
What is Dr. Gerald M. Bayona's medical license number?
Dr. Bayona holds Connecticut license 037424.
Which hospitals is Dr. Gerald M. Bayona affiliated with?
Dr. Bayona is affiliated with Manchester Memorial Hospital. Dmand AI links Dr. Bayona to 1 more hospital.
What medical group is Dr. Gerald M. Bayona part of?
Dr. Bayona is linked to ProHealth Physicians. Dmand AI links Dr. Bayona to 1 more medical group.
Does Dr. Gerald M. Bayona accept Medicare?
Yes. CMS data shows Dr. Bayona billed Medicare for 2,239 services in 2024, and Dr. Bayona accepts Medicare assignment.
Does Dr. Gerald M. Bayona offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Bayona as offering telehealth services.
How many Medicare patients does Dr. Gerald M. Bayona see?
CMS counts 281 Medicare patients who saw Dr. Bayona in 2024, with an average age of 73.
Show 4 more questionsShow fewer questions
What services does Dr. Gerald M. Bayona bill to Medicare?
In 2024, Dr. Bayona's most billed Medicare services were office visit, established patient (99214), lab and pathology test (80053) and lab and pathology test (80061).
What drugs does Dr. Gerald M. Bayona prescribe most?
In 2024 Medicare Part D data, Dr. Bayona's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Lisinopril.
Has Dr. Gerald M. Bayona received payments from drug or device companies?
CMS Open Payments shows $38 in general payments to Dr. Bayona from 3 companies from 2016 to 2017. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Gerald M. Bayona been practicing?
Dr. Bayona graduated from medical school in 1985, 41 years ago.
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