Dr. David S. Klimstra, MD
- Medicare services, 2021
- 16
- MIPS score, 2024
- 87
- Hospital affiliations
- 4
- Industry payments
- $500
- Medical groups
- 2
- Practice address
- 80 Seymour Street, Hartford, CT 06102
- Practice phone
- Call (860) 545-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Klimstra'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. David S. Klimstra is a pathologist in Hartford, Connecticut
Dr. Klimstra practices at Hartford Hospital in Hartford, Connecticut, part of Hartford HealthCare.
Dr. Klimstra's NPI, 1578543922, was assigned on January 20, 2006. Dr. Klimstra graduated from Yale University School of Medicine in 1988. Dr. Klimstra holds New York license 188645.
- NPI
- 1578543922NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709065188
- NPI enumeration date
- January 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (860) 545-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David S. Klimstra practices at Hartford Hospital in Hartford, Connecticut
Dr. Klimstra's primary practice is Hartford Hospital, at 80 Seymour Street, Hartford, CT 06102 in Hartford County. The practice phone is (860) 545-5000.
- Hartford Hospital80 Seymour Street, Hartford, CT 06102 · Hartford CountyPhone(860) 545-5000
Source: Dmand AI Affiliation Data
Dr. David S. Klimstra is affiliated with 5 sites of care and 2 medical groups
Dr. Klimstra's primary practice is Hartford Hospital in Hartford, Connecticut, part of Hartford HealthCare. Dr. Klimstra is also affiliated with Yale New Haven Hospital. The medical group on file is Yale Health. Dmand AI also links Dr. Klimstra to 2 more hospitals, 1 group practice or clinic and 1 medical group, 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. David S. Klimstra's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klimstra practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hartford Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David S. Klimstra is one of 36 pathologists in Connecticut
Anatomic pathology is Dr. Klimstra's primary specialty in the NPI Registry, under taxonomy code 207ZP0101X. Dr. Klimstra is licensed in New York.
Specialties and state licenses
- Anatomic pathology, New YorkPrimary
Pathologists near Dr. Klimstra
Counts of pathologists 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. David S. Klimstra billed Medicare for 16 services in 2021
CMS data shows 16 Medicare services from Dr. Klimstra across 1 procedure code in 2021. Medicare paid $1,472 for them. Every service was in an office.
Dr. Klimstra's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Lab and pathology
- 2020: 2092021: 1692%
Dr. Klimstra compared with the Connecticut median for pathologists, 2021
- Dr. Klimstra
- Connecticut median
- Medicare services
- 16vs 55497% below
Medians across 38 pathologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Klimstra's most billed Medicare procedure codes, 2021
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. Klimstra and other pathologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David S. Klimstra's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Klimstra's median patient age at 67, with 41% women.
Dr. Klimstra's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women41%
- Men59%
Source: Dmand AI Patient Panel Data
Dr. David S. Klimstra scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Klimstra for performance year 2024, reported as part of a group. Dr. Klimstra accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Klimstra's MIPS scores, performance year 2024
- 87of 100Final score
- 77.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. David S. Klimstra received $500 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Klimstra from 1 drug or device company in 2018. Consulting fees make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $500.
Companies that paid Dr. Klimstra the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David S. Klimstra graduated from Yale University School of Medicine
Dr. Klimstra graduated from Yale University School of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David S. Klimstra'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 Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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. David S. Klimstra
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. David S. Klimstra's NPI number?
Dr. David S. Klimstra's NPI number is 1578543922. It was assigned on January 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David S. Klimstra?
Dr. David S. Klimstra is a pathologist in Hartford, Connecticut. The primary specialty in the NPI Registry is Anatomic Pathology Physician (taxonomy code 207ZP0101X).
Where does Dr. David S. Klimstra practice?
Dr. Klimstra practices at 80 Seymour Street, Hartford, CT 06102. Dr. Klimstra's primary practice is Hartford Hospital in Hartford, Connecticut, part of Hartford HealthCare. Dmand AI also links Dr. Klimstra to 2 hospitals, 1 group practice or clinic and 1 medical group.
What is Dr. David S. Klimstra's office phone number?
The practice phone on file for Dr. Klimstra is (860) 545-5000.
What is Dr. David S. Klimstra's medical license number?
Dr. Klimstra holds New York license 188645.
Which hospitals is Dr. David S. Klimstra affiliated with?
Dr. Klimstra practices at Hartford Hospital in Hartford, Connecticut. Dr. Klimstra is also affiliated with Yale New Haven Hospital. Dmand AI links Dr. Klimstra to 2 more hospitals.
What medical group is Dr. David S. Klimstra part of?
Dr. Klimstra is linked to Yale Health. Dmand AI links Dr. Klimstra to 1 more medical group.
Does Dr. David S. Klimstra accept Medicare?
Yes. CMS data shows Dr. Klimstra billed Medicare for 16 services in 2021, and Dr. Klimstra accepts Medicare assignment.
What is Dr. David S. Klimstra's MIPS score?
Dr. Klimstra's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
What services does Dr. David S. Klimstra bill to Medicare?
In 2021, Dr. Klimstra's most billed Medicare services were lab and pathology test (88321).
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Where did Dr. David S. Klimstra go to medical school?
Dr. Klimstra graduated from Yale University School of Medicine in 1988.
Has Dr. David S. Klimstra received payments from drug or device companies?
CMS Open Payments shows $500 in general payments to Dr. Klimstra from 1 company from 2018 to 2018. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. David S. Klimstra been practicing?
Dr. Klimstra graduated from medical school in 1988, 38 years ago.
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