Karl Adam Olson Dietrich, MD
Family Medicine Physician · Keene, NH
Karl Adam Olson Dietrich, MD is a family medicine physician with a practice address in Keene, New Hampshire, and NPI 1972916864, issued on Jun 9, 2014. Check the license (New Hampshire 21950, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Karl Adam Olson Dietrich
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 21950 NH
LP03188 RI
MD60747854 WA
Self-reported in NPPES; status is on the state search - Practice location
- 590 Court St, Keene, NH 03431
- Phone
- (603) 354-5400
- Enumerated
- Jun 9, 2014
- Record last updated
- Oct 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210917002362); accepts Medicare assignment
- Medical or professional school
- Geisel School Of Medicine At Dartmouth, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 816 in New Hampshire → Look up another NPI →
Also registered at 590 Court St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Anderson, M.D.Critical Care Medicine (Anesthesiology) Physician1790927168
- William Argie, PA-CMedical Physician Assistant1265519946
- Jeremy Arnold, M.D.Emergency Medicine Physician1174784557
- Payson Ayer-Dufner, PA-CPhysician Assistant1124424379
- Everett Bacon, MDEmergency Medicine Physician1669827143
- Samantha BarryFamily Nurse Practitioner1568004307
Verify Karl Adam Olson Dietrich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 21950Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% more Medicare Part D claims than the average family medicine physician in 2024
3,739 Medicare Part D claims for 406 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 143 claims were for opioids.
Most prescribed
- Atorvastatin Calcium268 claims
- Lisinopril140 claims
- Levothyroxine Sodium132 claims
- Amlodipine Besylate131 claims
- Losartan Potassium109 claims
- Hydrochlorothiazide103 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
3 hospitals and group practices
- Cheshire Medical CenterKeene, NH · Acute Care Hospitals4 of 5 stars
- Mary Hitchcock Memorial HospitalKeene, NH · Acute Care Hospitals3 of 5 stars
- Dartmouth-Hitchcock ClinicLebanon, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Karl Adam Olson Dietrich among 816 family medicine physician records in New Hampshire
Karl Adam Olson Dietrich, MD is one of 816 family medicine physician records with a practice address in New Hampshire. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 77% of them.
- NPI issued2014 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2014 · median 2003 among the 498 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 family medicine physician records list a practice address in Keene
They are 43 of the 1,482 NPPES records with a practice address in Keene, and 816 family medicine physician records in New Hampshire.
All 816 in New Hampshire → Every provider in Keene → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Judith Boule, M.D.Keene, NH 034311912939240
- Joseph Capobianco, MDKeene, NH 034311710976105
- Don Caruso, MDKeene, NH 034311477571545
- Erika Goldstein, ARNPKeene, NH 034311659338838
- Marika Henegan, MDKeene, NH 034311477558385
- Steven Hertford, MDKeene, NH 034311225050776
- Douglas Keene, M.D.Keene, NH 034311407874415
- Gerard Kiernan, MDKeene, NH 034311295752038
Common questions
What is Karl Adam Olson Dietrich, MD's NPI number?
Karl Adam Olson Dietrich, MD's National Provider Identifier (NPI) is 1972916864, issued on Jun 9, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Karl Adam Olson Dietrich, MD located?
The NPPES record lists a practice address at 590 Court St, Keene, NH, 03431. Phone: (603) 354-5400. Providers update this record themselves, so call before visiting.
How can I verify Karl Adam Olson Dietrich, MD's license?
NPPES lists New Hampshire license number 21950, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karl Adam Olson Dietrich, MD prescribe under Medicare Part D?
In 2024, Karl Adam Olson Dietrich, MD had 3,739 Medicare Part D claims for 406 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.