Dr. Jonathan D. Parkhurst, MD
- Medicare services, 2024
- 674
- Medicare patients, 2024
- 232
- Part D claims, 2024
- 8,070
- Hospital affiliations
- 3
- Industry payments
- $16,687
- Practice address
- 71 Haynes St, Manchester, CT 06040
- Practice phone
- Call (860) 647-4780
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Parkhurst's professional email, personal email and mobile number
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Dr. Jonathan D. Parkhurst is an internist in Manchester, Connecticut
Dr. Parkhurst practices at Manchester Memorial Hospital in Manchester, Connecticut, part of Hartford HealthCare.
Dr. Parkhurst's NPI, 1164628889, was assigned on June 21, 2007. Dr. Parkhurst graduated from University of Minnesota Medical School in 2004. Dr. Parkhurst holds Connecticut license 045374.
- NPI
- 1164628889NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991899403
- NPI enumeration date
- June 21, 2007
- NPI status
- Active
- Practice phone
- (860) 647-4780
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Jonathan D. Parkhurst practices at Manchester Memorial Hospital in Manchester, Connecticut
Dr. Parkhurst's primary practice is Manchester Memorial Hospital, at 71 Haynes St, Manchester, CT 06040 in Hartford County. The practice phone is (860) 647-4780.
- Manchester Memorial Hospital71 Haynes St, Manchester, CT 06040 · Hartford CountyPhone(860) 647-4780
Source: Dmand AI Affiliation Data
Dr. Jonathan D. Parkhurst is affiliated with 7 sites of care and 1 medical group
Dr. Parkhurst's primary practice is Manchester Memorial Hospital in Manchester, Connecticut, part of Hartford HealthCare. Dr. Parkhurst is also affiliated with Saint Mary's Hospital. The medical group on file is Manchester Memorial Hospital. Dmand AI also links Dr. Parkhurst to 1 more hospital, 3 home health agencies 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. Jonathan D. Parkhurst's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Parkhurst practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Manchester Memorial Hospital | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan D. Parkhurst is one of 2,189 internists in Connecticut
Internal medicine is Dr. Parkhurst's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Parkhurst is licensed in Connecticut.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
Internists near Dr. Parkhurst
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. Jonathan D. Parkhurst billed Medicare for 674 services in 2024
CMS data shows 674 Medicare services from Dr. Parkhurst across 8 procedure codes in 2024, for 232 Medicare patients. Medicare paid $49,398 for them. Every service was in an office.
Dr. Parkhurst's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5502024: 43221%
- Other services
- 2023: 2032024: 1849%
- Lab and pathology
- 2023: 322024: 32No change
- Tests and treatments
- 2023: 582024: 2655%
Dr. Parkhurst compared with the Connecticut median for internists, 2024
- Dr. Parkhurst
- Connecticut median
- Medicare services
- 674vs 39073% above
- Medicare patients
- 232vs 17235% above
- Part D claims
- 7,373vs 34321.5 times
Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.
Dr. Parkhurst'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Parkhurst and other internists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan D. Parkhurst treated 232 Medicare patients in 2024, average age 70
CMS counts 232 Medicare patients who saw Dr. Parkhurst in 2024. The largest group is under 65, with 70 patients. 68% of them have high cholesterol, and 64% have high blood pressure. 55% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Parkhurst's median patient age at 60, with 44% women.
Dr. Parkhurst's Medicare patients by age, 2024
Dr. Parkhurst's Medicare patients by sex, 2024
- Women10545%
- Men12755%
Chronic conditions among Dr. Parkhurst's Medicare patients, 2024
- High cholesterol68%
- High blood pressure64%
- Arthritis33%
- Diabetes31%
- Anxiety29%
- Mood disorders27%
- Ischemic heart disease25%
- Chronic kidney disease21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Parkhurst's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women44%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jonathan D. Parkhurst wrote 8,070 Medicare Part D claims in 2024
In 2024, Dr. Parkhurst wrote 8,070 Medicare Part D claims for 584 patients. 87% of them were for generic drugs. CMS names the drug for 7,373 of them, across 147 drugs with 11 or more claims each, at $789,083 in total drug cost. In 2023, CMS named 7,587 claims across 147 drugs.
Dr. Parkhurst's Part D claims by kind of drug, 2024
- Generic6,985 claims87%
- Brand-name1,017 claims13%
- Other68 claims1%
Dr. Parkhurst'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. Parkhurst's Part D claims, 2024
- Opioids1%57 of 8,070 claims
- Antibiotics2%201 of 8,070 claims
- Antipsychotics, patients 65 and over1%45 of 8,070 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: 7,5872024: 7,3733%
Drugs named by CMS: 147 in 2024, 147 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
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Dr. Jonathan D. Parkhurst received $16,687 in industry payments from 2016 to 2025
CMS Open Payments shows 1,042 general payments to Dr. Parkhurst from 70 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Novo Nordisk Inc paid the most, $2,626.
General payments to Dr. Parkhurst by program year, 2016 to 2025
General payments to Dr. Parkhurst by kind, 2016 to 2025
- Food and beverage$16,51099%
- Education$1661%
- Speaker and faculty fees$120%
Companies that paid Dr. Parkhurst the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jonathan D. Parkhurst graduated from University of Minnesota Medical School
Dr. Parkhurst graduated from University of Minnesota Medical School in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jonathan D. Parkhurst'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 | Dmand AI Affiliation 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) |
| 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. Jonathan D. Parkhurst
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. Jonathan D. Parkhurst's NPI number?
Dr. Jonathan D. Parkhurst's NPI number is 1164628889. It was assigned on June 21, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan D. Parkhurst?
Dr. Jonathan D. Parkhurst is an internist in Manchester, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jonathan D. Parkhurst practice?
Dr. Parkhurst practices at 71 Haynes St, Manchester, CT 06040. Dr. Parkhurst's primary practice is Manchester Memorial Hospital in Manchester, Connecticut, part of Hartford HealthCare. Dmand AI also links Dr. Parkhurst to 1 hospital, 3 home health agencies and 1 group practice or clinic.
What is Dr. Jonathan D. Parkhurst's office phone number?
The practice phone on file for Dr. Parkhurst is (860) 647-4780.
What is Dr. Jonathan D. Parkhurst's medical license number?
Dr. Parkhurst holds Connecticut license 045374.
Which hospitals is Dr. Jonathan D. Parkhurst affiliated with?
Dr. Parkhurst practices at Manchester Memorial Hospital in Manchester, Connecticut. Dr. Parkhurst is also affiliated with Saint Mary's Hospital. Dmand AI links Dr. Parkhurst to 1 more hospital.
What medical group is Dr. Jonathan D. Parkhurst part of?
Dr. Parkhurst is linked to Manchester Memorial Hospital.
Does Dr. Jonathan D. Parkhurst accept Medicare?
Yes. CMS data shows Dr. Parkhurst billed Medicare for 674 services in 2024.
How many Medicare patients does Dr. Jonathan D. Parkhurst see?
CMS counts 232 Medicare patients who saw Dr. Parkhurst in 2024, with an average age of 70.
What services does Dr. Jonathan D. Parkhurst bill to Medicare?
In 2024, Dr. Parkhurst's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
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Where did Dr. Jonathan D. Parkhurst go to medical school?
Dr. Parkhurst graduated from University of Minnesota Medical School in 2004.
What drugs does Dr. Jonathan D. Parkhurst prescribe most?
In 2024 Medicare Part D data, Dr. Parkhurst's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Levothyroxine Sodium.
Has Dr. Jonathan D. Parkhurst received payments from drug or device companies?
CMS Open Payments shows $16,687 in general payments to Dr. Parkhurst from 70 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Jonathan D. Parkhurst been practicing?
Dr. Parkhurst graduated from medical school in 2004, 22 years ago.
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