Dr. Robert Nelson Hyde III, MD
- Medicare services, 2024
- 263
- Medicare patients, 2024
- 110
- Part D claims, 2024
- 1,840
- Hospital affiliations
- 1
- Industry payments
- $498
- Practice address
- 130 Division St, Derby, CT 06418
- Practice phone
- Call (203) 732-7500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hyde's professional email, personal email and mobile number
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Dr. Robert Nelson Hyde III is an internist in Derby, Connecticut
Dr. Hyde practices at Griffin Hospital in Derby, Connecticut, part of Griffin Hospital.
Dr. Hyde's NPI, 1902011885, was assigned on May 13, 2007. Dr. Hyde graduated from University of Minnesota Medical School in 1978. Dr. Hyde holds Connecticut license 023888.
- NPI
- 1902011885NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345381307
- NPI enumeration date
- May 13, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 732-7500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Nelson Hyde III practices at 2 locations in Derby, Connecticut
Dr. Hyde's primary practice is Griffin Hospital, at 130 Division St, Derby, CT 06418 in New Haven County. The practice phone is (203) 732-7500. Dr. Hyde also practices at Griffin Hospital, 144 Division St, Derby, CT 06418.
- Griffin HospitalPrimary130 Division St, Derby, CT 06418 · New Haven CountyPhone(203) 732-7500
- Griffin Hospital144 Division St, Derby, CT 06418 · Naugatuck Vly CountyPhone(203) 732-7360
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Robert Nelson Hyde III is affiliated with 3 sites of care and 1 medical group
Dr. Hyde's primary practice is Griffin Hospital in Derby, Connecticut, part of Griffin Hospital. The medical group on file is Griffin Faculty Physicians. Dmand AI also links Dr. Hyde to 1 more physician office and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert Nelson Hyde III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hyde practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Griffin Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Griffin Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Robert Nelson Hyde III is one of 2,189 internists in Connecticut
Internal medicine is Dr. Hyde's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hyde is licensed in Connecticut.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
Internists near Dr. Hyde
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. Robert Nelson Hyde III billed Medicare for 263 services in 2024
CMS data shows 263 Medicare services from Dr. Hyde across 5 procedure codes in 2024, for 110 Medicare patients. Medicare paid $17,258 for them. Every service was in an office.
Dr. Hyde's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1542024: 1437%
- Other services
- 2023: 02024: 62
- Surgery
- 2023: 312024: 5887%
Dr. Hyde compared with the Connecticut median for internists, 2024
- Dr. Hyde
- Connecticut median
- Medicare services
- 263vs 39033% below
- Medicare patients
- 110vs 17236% below
- Part D claims
- 1,409vs 3434.1 times
Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.
Dr. Hyde'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Nelson Hyde III treated 110 Medicare patients in 2024, average age 73
CMS counts 110 Medicare patients who saw Dr. Hyde in 2024. The largest group is 65 to 74, with 44 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 36% are also on Medicaid. Their average risk score is 1.23, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hyde's median patient age at 57, with 42% women.
Dr. Hyde's Medicare patients by age, 2024
Dr. Hyde's Medicare patients by sex, 2024
- Women5146%
- Men5954%
Chronic conditions among Dr. Hyde's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis45%
- Diabetes32%
- Ischemic heart disease28%
- Anxiety22%
- Heart failure21%
- Mood disorders19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hyde's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women42%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Nelson Hyde III wrote 1,840 Medicare Part D claims in 2024
In 2024, Dr. Hyde wrote 1,840 Medicare Part D claims for 292 patients. 89% of them were for generic drugs. CMS names the drug for 1,409 of them, across 54 drugs with 11 or more claims each, at $59,916 in total drug cost. In 2023, CMS named 881 claims across 34 drugs.
Dr. Hyde's Part D claims by kind of drug, 2024
- Generic1,641 claims89%
- Brand-name and other199 claims11%
Dr. Hyde'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. Hyde's Part D claims, 2024
- Opioids6%104 of 1,840 claims
- Antibiotics1%20 of 1,840 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: 8812024: 1,40960%
Drugs named by CMS: 54 in 2024, 34 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
How Dr. Robert Nelson Hyde III takes part in Medicare
Dr. Hyde accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Robert Nelson Hyde III received $498 in industry payments from 2024 to 2025
CMS Open Payments shows 18 general payments to Dr. Hyde from 9 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $216.
General payments to Dr. Hyde by program year, 2024 to 2025
Companies that paid Dr. Hyde the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Nelson Hyde III graduated from University of Minnesota Medical School
Dr. Hyde graduated from University of Minnesota Medical School in 1978.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Nelson Hyde III'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Robert Nelson Hyde III
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. Robert Nelson Hyde III's NPI number?
Dr. Robert Nelson Hyde III's NPI number is 1902011885. It was assigned on May 13, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Nelson Hyde III?
Dr. Robert Nelson Hyde III is an internist in Derby, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert Nelson Hyde III practice?
Dr. Hyde practices at 130 Division St, Derby, CT 06418. Dr. Hyde also practices at 144 Division St, Derby, CT 06418. Dr. Hyde's primary practice is Griffin Hospital in Derby, Connecticut, part of Griffin Hospital. Dmand AI also links Dr. Hyde to 1 physician office and 1 group practice or clinic.
What is Dr. Robert Nelson Hyde III's office phone number?
The practice phone on file for Dr. Hyde is (203) 732-7500.
What is Dr. Robert Nelson Hyde III's medical license number?
Dr. Hyde holds Connecticut license 023888.
Which hospitals is Dr. Robert Nelson Hyde III affiliated with?
Dr. Hyde practices at Griffin Hospital in Derby, Connecticut.
What medical group is Dr. Robert Nelson Hyde III part of?
Dr. Hyde is linked to Griffin Faculty Physicians.
Does Dr. Robert Nelson Hyde III accept Medicare?
Yes. CMS data shows Dr. Hyde billed Medicare for 263 services in 2024, and Dr. Hyde accepts Medicare assignment.
How many Medicare patients does Dr. Robert Nelson Hyde III see?
CMS counts 110 Medicare patients who saw Dr. Hyde in 2024, with an average age of 73.
What services does Dr. Robert Nelson Hyde III bill to Medicare?
In 2024, Dr. Hyde's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and office visit, established patient (99213).
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Where did Dr. Robert Nelson Hyde III go to medical school?
Dr. Hyde graduated from University of Minnesota Medical School in 1978.
What drugs does Dr. Robert Nelson Hyde III prescribe most?
In 2024 Medicare Part D data, Dr. Hyde's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Lisinopril.
Has Dr. Robert Nelson Hyde III received payments from drug or device companies?
CMS Open Payments shows $498 in general payments to Dr. Hyde from 9 companies from 2024 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Robert Nelson Hyde III been practicing?
Dr. Hyde graduated from medical school in 1978, 48 years ago.
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