Dr. David C. Olken, DO
- Medicare services, 2024
- 390
- Medicare patients, 2024
- 164
- Part D claims, 2024
- 192
- Hospital affiliations
- 2
- Industry payments
- $34
- Practice address
- 789 Central Ave, Dover, NH 03820
- Practice phone
- Call (603) 740-2580
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Olken'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 C. Olken is an internist in Dover, New Hampshire
Dr. Olken practices at Wentworth-Douglass Hospital in Dover, New Hampshire, part of Mass General Brigham.
Dr. Olken's NPI, 1679655260, was assigned on October 20, 2006. Dr. Olken graduated from University of New England, College of Osteo Medicine in 1987. Dr. Olken holds New Hampshire license 8512.
- NPI
- 1679655260NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214903103
- NPI enumeration date
- October 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (603) 740-2580
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David C. Olken practices at Wentworth-Douglass Hospital in Dover, New Hampshire
Dr. Olken's primary practice is Wentworth-Douglass Hospital, at 789 Central Ave, Dover, NH 03820 in Strafford County. The practice phone is (603) 740-2580.
- Wentworth-Douglass Hospital789 Central Ave, Dover, NH 03820 · Strafford CountyPhone(603) 740-2580
Source: Dmand AI Affiliation Data
Dr. David C. Olken is affiliated with 3 sites of care and 1 medical group
Dr. Olken's primary practice is Wentworth-Douglass Hospital in Dover, New Hampshire, part of Mass General Brigham. Dr. Olken is also affiliated with Frisbie Memorial Hospital. The medical group on file is Wentworth-Douglass Hospital. Dmand AI also links Dr. Olken to 1 more therapy and rehab clinic, 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 C. Olken's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Olken practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Wentworth-Douglass Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David C. Olken is one of 577 internists in New Hampshire
Internal medicine is Dr. Olken's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Olken is licensed in New Hampshire.
Specialties and state licenses
- Internal medicine, New HampshirePrimary
Internists near Dr. Olken
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. David C. Olken billed Medicare for 390 services in 2024
CMS data shows 390 Medicare services from Dr. Olken across 5 procedure codes in 2024, for 164 Medicare patients. Medicare paid $29,106 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Olken's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5592024: 39030%
Dr. Olken compared with the New Hampshire median for internists, 2024
- Dr. Olken
- New Hampshire median
- Medicare services
- 390vs 4309% below
- Medicare patients
- 164vs 23129% below
- Part D claims
- 26vs 17985% below
Medians across 583 internists in New Hampshire with Dmand AI profiles that report each measure.
Dr. Olken'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. Olken and other internists in New Hampshire.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David C. Olken treated 164 Medicare patients in 2024, average age 76
CMS counts 164 Medicare patients who saw Dr. Olken in 2024. The largest group is 75 to 84, with 64 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 2.44, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Olken's median patient age at 73, with 60% women.
Dr. Olken's Medicare patients by age, 2024
Dr. Olken's Medicare patients by sex, 2024
- Women8149%
- Men8351%
Chronic conditions among Dr. Olken's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Ischemic heart disease51%
- Mood disorders50%
- Anxiety49%
- Chronic kidney disease49%
- Heart failure48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Olken's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women60%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David C. Olken wrote 192 Medicare Part D claims in 2024
In 2024, Dr. Olken wrote 192 Medicare Part D claims for 95 patients. 92% of them were for generic drugs. CMS names the drug for 26 of them, across 2 drugs with 11 or more claims each, at $128 in total drug cost. In 2023, CMS named 19 claims across 1 drug.
Dr. Olken's Part D claims by kind of drug, 2024
- Generic177 claims92%
- Brand-name and other15 claims8%
Dr. Olken'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. Olken's Part D claims, 2024
- Antibiotics21%40 of 192 claims
- Antipsychotics, patients 65 and over6%11 of 192 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: 192024: 2637%
Drugs named by CMS: 2 in 2024, 1 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. David C. Olken takes part in Medicare
Dr. Olken 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. David C. Olken received $34 in industry payments from 2017 to 2021
CMS Open Payments shows 2 general payments to Dr. Olken from 2 drug and device companies from 2017 to 2021. Food and beverage make up the largest share, 100% of the total. ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) paid the most, $20.
General payments to Dr. Olken by program year, 2017 to 2021
Companies that paid Dr. Olken the most, 2017 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David C. Olken graduated from University of New England, College of Osteo Medicine
Dr. Olken graduated from University of New England, College of Osteo Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David C. Olken'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) |
| 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. David C. Olken
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 C. Olken's NPI number?
Dr. David C. Olken's NPI number is 1679655260. It was assigned on October 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David C. Olken?
Dr. David C. Olken is an internist in Dover, New Hampshire. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. David C. Olken practice?
Dr. Olken practices at 789 Central Ave, Dover, NH 03820. Dr. Olken's primary practice is Wentworth-Douglass Hospital in Dover, New Hampshire, part of Mass General Brigham. Dmand AI also links Dr. Olken to 1 therapy and rehab clinic.
What is Dr. David C. Olken's office phone number?
The practice phone on file for Dr. Olken is (603) 740-2580.
What is Dr. David C. Olken's medical license number?
Dr. Olken holds New Hampshire license 8512.
Which hospitals is Dr. David C. Olken affiliated with?
Dr. Olken practices at Wentworth-Douglass Hospital in Dover, New Hampshire. Dr. Olken is also affiliated with Frisbie Memorial Hospital.
What medical group is Dr. David C. Olken part of?
Dr. Olken is linked to Wentworth-Douglass Hospital.
Does Dr. David C. Olken accept Medicare?
Yes. CMS data shows Dr. Olken billed Medicare for 390 services in 2024, and Dr. Olken accepts Medicare assignment.
How many Medicare patients does Dr. David C. Olken see?
CMS counts 164 Medicare patients who saw Dr. Olken in 2024, with an average age of 76.
What services does Dr. David C. Olken bill to Medicare?
In 2024, Dr. Olken's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99233).
Show 4 more questionsShow fewer questions
Where did Dr. David C. Olken go to medical school?
Dr. Olken graduated from University of New England, College of Osteo Medicine in 1987.
What drugs does Dr. David C. Olken prescribe most?
In 2024 Medicare Part D data, Dr. Olken's most prescribed drugs by claims were Prednisone and Metoprolol Succinate.
Has Dr. David C. Olken received payments from drug or device companies?
CMS Open Payments shows $34 in general payments to Dr. Olken from 2 companies from 2017 to 2021. The largest total came from ZOLL Services LLC (A/K/A ZOLL LifeCor Corp).
How long has Dr. David C. Olken been practicing?
Dr. Olken graduated from medical school in 1987, 39 years ago.
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